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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2004

Commission file number: 001-13439

Dril-Quip, Inc.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (713) 939-7711

Securities registered pursuant to Section 12(b) of the Act:

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.        YES x    NO ¨

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.         ¨

Indicate by check mark whether the registrant is an accelerated filer (as defined by Rule 12b-2 of the Act).        Yes    x No ¨

At June 30, 2004, the aggregate market value of the registrant’s Common Stock held by non-affiliates of the registrant was approximately $126,710,000 based on the closing price of such stock on such date of $18.70.

At March 14, 2005, the number of shares outstanding of registrant’s Common Stock was 17,440,363.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Registrant’s Proxy Statement for its 2005 Annual Meeting of Stockholders to be filed pursuant to Regulation 14A are incorporated by reference in Part III of this Form 10-K.

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FORWARD LOOKING STATEMENTS

This Annual Report on Form 10-K includes certain statements that may be deemed to be “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Statements contained in all parts of this document that are not historical facts are forward looking statements that involve risks and uncertainties that are beyond Dril-Quip’s control. You can identify the Company’s forward looking statements by the words “anticipate,” “estimate,” “expect,” “may,” “project,” “believe” and similar expressions. These forward-looking statements include the following types of information and statements as they relate to the Company:

These statements are based upon certain assumptions and analyses made by management of the Company in light of its experience and its perception of historical trends, current conditions, expected future developments and other factors it believes are appropriate in the circumstances. Such statements are subject to a number of assumptions, risks and uncertainties, including, but not limited to, those relating to the volatility of oil and natural gas prices and the cyclicality of the oil and gas industry, the Company’s international operations, operating risks, the Company’s dependence on key employees, the Company’s dependence on skilled machinists and technical personnel, the Company’s reliance on product development and possible technological obsolescence, control by certain stockholders, the potential impact of governmental regulation and environmental matters, competition, reliance on significant customers, political developments and instability, acts of terrorism or war and other factors detailed in the Company’s other filings with the Securities and Exchange Commission. Prospective investors are cautioned that any such statements are not guarantees of future performance, and that, should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual outcomes may vary materially from those indicated.

PART I

Item 1.    Business

General

Dril-Quip, Inc., a Delaware corporation (the “Company” or “Dril-Quip”), manufactures highly engineered offshore drilling and production equipment which is well suited for use in deepwater, harsh environment and severe service applications. The Company’s principal products consist of subsea and surface wellheads, subsea and surface production trees, mudline hanger systems, specialty connectors and associated pipe, drilling and production riser systems, wellhead connectors and diverters for use by major integrated, large independent and foreign national oil and gas companies in offshore areas throughout the world. Dril-Quip also provides installation and reconditioning services and rents running tools for use in connection with the installation and retrieval of its products.

The Company’s operations are organized into three geographic segments—Western Hemisphere (including North and South America; headquartered in Houston, Texas), Eastern Hemisphere (including Europe and Africa; headquartered in Aberdeen, Scotland) and Asia-Pacific (including the Pacific Rim, Southeast Asia, Australia, India and the Middle East; headquartered in Singapore). Each of these segments sells similar products and services, and the Company has major manufacturing facilities in all three of its headquarter locations. See note 10 to the consolidated financial statements. The Company’s major subsidiaries are Dril-Quip (Europe) Limited (DQE), located in Aberdeen with branches in Denmark, Norway and Holland; Dril-Quip Asia Pacific PTE Ltd. (DQAP), located in Singapore;

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and Dril-Quip do Brasil LTDA, located in Macae, Brazil. Dril-Quip (Nigeria) Ltd. is located in Port Harcourt, Nigeria and is a wholly-owned subsidiary of DQE.

Dril-Quip has developed its broad line of subsea equipment, surface equipment and offshore rig equipment primarily through its internal product development efforts. The Company believes that it has achieved significant market share and brand name recognition with respect to its established products due to the technological capabilities, reliability, cost effectiveness and operational timesaving features of these products. In particular, the Company’s Quik-Thread^® and Quik-Stab^® specialty connectors, MS-15^® mudline hanger systems and SS-10^® and SS-15^® subsea wellheads are among the most widely used in the industry. During the 1990s, the Company introduced a number of new products, including diverters, wellhead connectors, dual-bore and single-bore subsea production trees, subsea and platform valves, platform wellheads, platform trees, drilling risers and Spar and Tension Leg Platform (TLP) production risers. Dril-Quip is currently involved in the development of a number of new products, including liner hangers and control systems. Liner hangers are used in wells to hang off and seal casing set inside previously-installed casing strings and control systems are used to control subsea production equipment such as valves, chokes and various subsea tree component. We are currently developing various sizes and pressure ratings for these products. Other new products under development include high-pressure, high-temperature drilling and completion systems, slimhole subsea wellhead systems, subsea manifold systems and flowline connections.

Dril-Quip markets its products, both new and existing, through its offices and sales representatives located in all of the major international energy markets throughout the world. In 2004, the Company generated approximately 64% of its revenues from foreign sales. The Company manufactures its products at its facilities located in Houston, Texas; Aberdeen, Scotland; and Singapore, and maintains additional facilities for fabrication and/or reconditioning in Brazil, Norway, Denmark and Australia. Dril-Quip’s manufacturing operations are vertically integrated, with the Company performing substantially all of its forging, heat treating, machining, fabrication, inspection, assembly and testing at its own facilities.

The Company was co-founded in 1981 by Larry E. Reimert, Gary D. Smith, J. Mike Walker and Gary W. Loveless. Together, Messrs. Reimert, Smith and Walker have over 100 years of combined experience in the oilfield equipment industry, essentially all of which has been with the Company and its major competitors. In addition, key department managers have been with the Company over 10 years, on average.

We make available free of charge on our internet website our annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 as soon as reasonably practicable after we electronically file such reports with, or furnish them to, the SEC. Our website address is http://www.dril-quip.com.

Additionally, we make available free of charge on our internet website:

Any stockholder who so requests may obtain a printed copy of any of these documents from us. Changes in or waivers to our Code of Business Conduct and Ethical Practices involving directors and executive officers of the Company will be posted on our internet website within five business days and maintained for at least twelve months.

Industry Overview

Both the market for offshore drilling and production equipment and services and the Company’s business are substantially dependent on the condition of the oil and gas industry and, in particular, the willingness of oil and gas companies to make capital expenditures on exploration, drilling and production operations offshore. The level of capital expenditures has generally been dependent upon the prevailing view of future oil and gas prices, which are influenced by numerous factors affecting the supply and demand for oil and gas, including worldwide economic

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activity, interest rates and the cost of capital, environmental regulation, tax policies, and the ability of OPEC and other producing nations to set and maintain production levels and prices. Capital expenditures are also dependent on the cost of exploring for and producing oil and gas, the sale and expiration dates of offshore leases in the United States and overseas, the discovery rate of new oil and gas reserves in offshore areas and technological advances. Oil and gas prices and the level of offshore drilling and production activity have historically been characterized by significant volatility.

During 2004 demand for oil and gas increased worldwide, resulting in dramatic price increases for these commodities. Industry experts believe this trend will continue and could result in increased pressure on production capacity to meet the demand. High commodity prices, combined with supply and demand being in close proximity, a decline in reserves, and below normal inventories, have resulted in oil operators increasing capital spending for both exploration and development programs. However, any future decline in oil and gas prices significantly below current levels would likely have a material adverse effect on the Company’s results of operations. There can be no assurance that the current oil price levels will lead to increases in exploration and development activity or that demand for the Company’s products and services will reflect such improvement, if any.

Products and Services

Products

Dril-Quip designs, manufactures, fabricates, inspects, assembles, tests and markets subsea equipment, surface equipment and offshore rig equipment. In 2004, the Company derived approximately 83% of its revenues from the sale of its products. The Company’s products are used to explore for oil and gas on offshore drilling rigs, such as floating rigs and jack-ups, and for drilling and production of oil and gas wells on offshore platforms, TLPs, Spars and moored vessels such as FPSOs. TLPs are floating production platforms that are connected to the ocean floor via vertical mooring tethers (called tension legs). A Spar is a floating cylindrical structure approximately six or seven times longer than its diameter that is anchored in place (like a Spar buoy). FPSOs are floating production, storage and offloading monohull moored vessels.

Subsea Equipment.    Subsea equipment is used in the drilling and production of offshore oil and gas wells around the world. Included in the subsea equipment product line are subsea wellheads, mudline hanger systems, specialty connectors and associated pipe, subsea production trees, valves and TLP and Spar well systems.

Subsea wellheads are pressure-containing forged and machined metal housings in which casing hangers are landed and sealed subsea to suspend casing (downhole pipe). As drilling depth increases, successively smaller diameter casing strings are installed, each suspended by an independent casing hanger. Subsea wellheads are utilized when drilling from floating drilling rigs, either semi-submersible or drillship types, and TLPs and Spars. The Company’s SS-15 Big Bore Subsea Wellhead System is designed to accommodate additional casing strings installed through a conventional marine riser and a subsea blowout preventer.

Mudline hanger systems are used in jack-up drilling operations to support the weight of the various casing strings at the ocean floor while drilling a well. They also provide a method to disconnect the casing strings in an orderly manner at the ocean floor after the well has been drilled, and subsequently reconnect to enable production of the well by either tying it back vertically to a subsequently installed platform or by installing a subsea tree.

Large diameter weld-on specialty connectors (threaded or stab type) are used in offshore wells drilled from floating drilling rigs, jack-ups, fixed platforms, TLPs and Spars. Specialty connectors join lengths of conductor or large diameter (16-inch or greater) casing. Specialty connectors provide a more rapid connection than other methods of connecting lengths of pipe. Connectors may be sold individually or as an assembly after being welded to sections of Company or customer supplied pipe. Dril-Quip’s weld-on specialty connectors are designed to prevent cross threading and provide a quick, convenient method of joining casing joints with structural integrity compatible with casing strength.

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A subsea production tree is an assembly composed of valves, a wellhead connector, control equipment and various other components installed on a subsea wellhead or a mudline hanger system and used to control the flow of oil and gas from a producing well. Subsea trees may be either stand alone satellite type or template mounted cluster arrangements. Both types typically produce via flowlines to a central control point located on a platform, TLP, Spar or FPSO. The use of subsea production trees has become an increasingly important method for producing wells located in hard-to-reach deepwater areas or economically marginal fields located in shallower waters. The Company is an established manufacturer of more complicated dual-bore production trees, which are used in severe service applications. In addition, Dril-Quip manufactures a patented single bore (SingleBore^TM) subsea completion system which features a hydraulic mechanism instead of a wireline-installed mechanism that allows the operator to plug the tubing hanger annulus remotely from the surface via a hydraulic control line and subsequently unplug it when the well is put on production. This mechanism eliminates the need for an expensive multibore installation and workover riser, thereby saving both cost and installation time. Dril-Quip’s guidelineless subsea production tree is used in ultra-deepwater applications. This tree features remote multiple flowline and control connections, utilizing remotely operated intervention tools. During 2000, the first tree of this type was successfully installed in approximately 6,000 feet of water off the coast of Brazil. Since that time several trees of this type have been supplied to this area. The Company’s subsea production trees are generally custom designed and manufactured to customer specifications.

Surface Equipment.    Surface equipment is principally used for flow control on offshore production platforms, TLPs and Spars. Included in the Company’s surface equipment product line are platform wellheads and platform production trees. Dril-Quip’s development of platform wellheads and platform production trees was facilitated by adaptation of its existing subsea wellhead and tree technology to surface wellheads and trees.

Platform wellheads are pressure-containing forged and machined metal housings in which casing hangers are landed and sealed at the platform deck to suspend casings. The Company emphasizes the use of metal-to-metal sealing wellhead systems with operational time-saving features which can be used in high pressure, high temperature and corrosive drilling and production applications.

After installation of a wellhead, a platform production tree, consisting of gate valves, a wellhead connector, controls, tree cap and associated equipment, is installed on the wellhead to control and regulate oil or gas production. Platform production trees are similar to subsea production trees but utilize less complex equipment and more manual, rather than hydraulically activated, valves and connectors. Platform wellheads and platform production trees and associated equipment are designed and manufactured in accordance with customer specifications.

Offshore Rig Equipment.    Offshore rig equipment includes drilling and production riser systems, wellhead connectors and diverters. The drilling riser system consists of (i) lengths of riser pipe and associated riser connectors that secure one to another; (ii) the telescopic joint, which connects the entire drilling riser system to the diverter at the rig and provides a means to compensate for vertical motion of the rig relative to the ocean floor; and (iii) the wellhead connector, which provides a means for remote connection and disconnection of the drilling riser system to and from the blowout preventer stack. Production risers provide a vertical conduit from the subsea wellhead to a TLP, Spar or FPSO. The wellhead connector also provides remote connection/disconnection of the blowout preventer stack, production tree or production riser to/from the wellhead. Diverters are used to provide protection from shallow gas blowouts and to divert gases off of the rig during the drilling operation.

Wellhead connectors and drilling and production riser systems are also used on both TLPs and Spars, which are being installed more frequently in deepwater applications. The principal markets for offshore rig equipment are new rigs, rig upgrades, TLPs and Spars. Diverters, drilling and production risers and wellhead connectors are generally designed and manufactured to customer specifications.

Certain products of the Company are used in potentially hazardous drilling, completion and production applications that can cause personal injury, product liability and environmental claims. Litigation arising from a catastrophic occurrence at a location where the Company’s equipment and/or services are used may in the future result in the Company being named as a defendant in lawsuits asserting potentially large claims. The Company

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maintains insurance coverage that it believes is customary in the industry. Such insurance does not, however, provide coverage for all liabilities (including liability for certain events involving pollution), and there is no assurance that its insurance coverage will be adequate to cover claims that may arise or that the Company will be able to maintain adequate insurance at rates it considers reasonable. The occurrence of an event not fully covered by insurance could have a material adverse effect on the financial condition and results of operations of the Company.

Services

Services provided by Dril-Quip include field installation services, reconditioning of its products which are customer-owned, and rental running tools for installation and retrieval of its products. These services are provided from the Company’s worldwide locations and represented approximately 17% of revenues in 2004.

Field Installation.    Dril-Quip provides field installation services through the use of its technicians. These technicians assist in the onsite installation of Company products and are available on a 24-hour call out from the Company’s facilities located in Houston, Texas; Aberdeen, Scotland; Stavanger, Norway; Esbjerg, Denmark; Singapore; Perth, Australia; and Macae, Brazil.

Reconditioning.    The Company provides reconditioning of its products at its facilities in Houston, Texas; Aberdeen, Scotland; Stavanger, Norway; Singapore; and Macae, Brazil.

Rental.    The Company rents running and installation tools for use in installing its products. These tools are used to install and retrieve Company products which are purchased by customers. Running tools are available from Dril-Quip’s locations in Houston, Texas; Aberdeen, Scotland; Stavanger, Norway; Esbjerg, Denmark; Beverwijk, Holland; Singapore; Perth, Australia; and Macae, Brazil.

Manufacturing

Dril-Quip has major manufacturing facilities in Houston, Texas; Aberdeen, Scotland; and Singapore. Each location conducts a broad variety of processes, including machining, fabrication, inspection, assembly and testing. The Houston facility provides forged and heat treated products to all the major manufacturing facilities.

The Company’s Houston and Aberdeen manufacturing plants are ISO 9001 and American Petroleum Institute certified. In addition, the Company’s manufacturing facility in Singapore is ISO 9001 certified. See “Properties—Major Manufacturing Facilities.” Dril-Quip maintains its high standards of product quality through the use of quality assurance specialists who work with product manufacturing personnel throughout the manufacturing process by inspecting and documenting equipment as it is processed through the Company’s manufacturing facilities. The Company has the capability to manufacture various products from each of its product lines at its major manufacturing facilities and believes that this localized manufacturing capability is essential in order to compete with the Company’s major competitors.

The Company’s manufacturing process is vertically integrated, producing, in house, a majority of its forging requirements and essentially all of its heat treatment, machining, fabrication, inspection, assembly and testing. The Company’s primary raw material is cast steel ingots, from which it produces steel shaped forgings at its forging and heat treatment facility. The Company routinely purchases steel ingots from approximately four suppliers on a purchase order basis and does not have any long-term supply contracts. The Company’s Houston facility provides forgings and heat treatment for its Aberdeen and Singapore facilities. The Company’s major competitors depend on outside sources for all or a substantial portion of their forging and heat treatment requirements. The Company has made significant capital investments in developing its vertically integrated manufacturing capability. Prolonged periods of low demand in the market for offshore drilling and production equipment could have a greater effect on the Company than on certain of its competitors that have not made large capital investments in facilities.

Dril-Quip’s manufacturing facilities utilize state-of-the-art computer numerically controlled (“CNC”) machine tools and equipment, which contribute to the Company’s product quality and timely delivery. The Company has also

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developed a cost effective, in-house machine tool rebuild capability which produces “like new” machine upgrades with customized features to enhance the economic manufacture of its specialized products. The Company purchases quality used machine tools as they become available and stores them at its facilities to be rebuilt and upgraded as the need arises. Rebuilding used machine tools allows for greater customization suitable for manufacturing Dril-Quip proprietary product lines. This provides the added advantage of requiring only in-house expertise for repairs and maintenance of these machines. A significant portion of the Company’s manufacturing capacity growth has been through the rebuild/upgrade of quality used machine tools, including the replacement of outdated control systems with state-of-the-art CNC controls.

The Company has increased its facilities at its Eldridge site in Houston, Texas from approximately 280,000 square feet at the end of 1997 to approximately 851,000 square feet at the end of 2004. Dril-Quip has consolidated its Houston manufacturing operations by moving its finish machining, assembly and warehouse functions from its Hempstead Highway location to its larger, state-of-the-art Eldridge Parkway facility.

Customers

The Company’s principal customers are major integrated oil and gas companies, large independent oil and gas companies and foreign national oil and gas companies. Offshore drilling contractors and engineering and construction companies also represent a minor customer base. The Company’s customers are generally oil and gas companies that are well-known participants in offshore exploration and production.

The Company is not dependent on any one customer or group of customers. In 2003, the Company’s top 15 customers represented approximately 65% of total revenues, with no single customer accounting for more than 10% of the Company’s total revenues. In 2004, the Company’s top 15 customers represented approximately 61% of total revenues, with ConocoPhillips accounting for approximately 15% of the Company’s total revenues. The number and variety of the Company’s products required in a given year by any one customer depends upon the amount of that customer’s capital expenditure budget devoted to offshore exploration and production and on the results of competitive bids for major projects. Consequently, a customer that accounts for a significant portion of revenues in one fiscal year may represent an immaterial portion of revenues in subsequent years. While the Company is not dependent on any one customer or group of customers, the loss of one or more of its significant customers could, at least on a short-term basis, have an adverse effect on the Company’s results of operations.

Marketing and Sales

Dril-Quip markets its products and services throughout the world directly through its sales personnel in two domestic and eleven international locations. In addition, in certain foreign markets where the Company does not maintain offices, it utilizes independent sales representatives to enhance its marketing and sales efforts. Some of the locations in which Dril-Quip has sales representatives are India, Canada, Mexico, the Philippines, Brazil, Indonesia, Malaysia, China, Japan, and the Middle East. Although they do not have authority to contractually bind the Company, these representatives market the Company’s products in their respective territories in return for sales commissions. The Company also advertises its products and services in trade and technical publications targeted to its customer base. It also participates in industry conferences and trade shows to enhance industry awareness of its products.

The Company’s customers generally order products on a purchase order basis. Orders are typically filled within three to six months after receipt of a purchase order, depending on the type of product and whether it is sold out of inventory or requires some customization. Contracts for certain of the Company’s larger, more complex products, such as subsea production trees, drilling risers and equipment for TLPs and Spars can take a year or more to complete.

The primary factors influencing a customer’s decision to purchase the Company’s products are the quality, reliability and reputation of the product, price and technologically superior features. Timely delivery of equipment is also very important to customer operations and the Company maintains an experienced sales coordination staff to

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help assure such delivery. For large drilling and production system orders, project management teams coordinate customer needs with engineering, manufacturing and service organizations, as well as with subcontractors and vendors.

A portion of the Company’s business consists of designing, manufacturing, selling and installing equipment for major projects pursuant to competitive bids, and the number of such projects in any year fluctuates. The Company’s profitability on such projects is critically dependent on making accurate and cost effective bids and performing efficiently in accordance with bid specifications. Various factors can adversely affect the Company’s performance on individual projects, with potential adverse effects on project profitability.

Product Development and Engineering

The technological demands of the oil and gas industry continue to increase as offshore exploration and drilling expand into more hostile environments. Conditions encountered in these environments include well pressures of up to 15,000 psi (pounds per square inch), mixed flows of oil and gas under high pressure that may also be highly corrosive and water depths in excess of 8,000 feet. Since its founding, Dril-Quip has actively engaged in continuing product development to generate new products and improve existing products. When developing new products, the Company typically seeks to design the most technologically advanced version for a particular application to establish its reputation and qualification in that product. Thereafter, the Company leverages its expertise in the more technologically advanced product to produce less costly and complex versions of the product for less demanding applications. The Company also focuses its activities on reducing the overall cost to the customer, which includes not only the initial capital cost but also operating and installation costs associated with its products.

The Company has continually introduced new products and product enhancements since its founding in 1981. In the 1990s, the Company introduced a series of new products, including diverters, wellhead connectors, SingleBore^TM subsea trees, improved severe service dual bore subsea trees, subsea and platform valves, platform wellheads, platform trees, subsea tree workover riser systems, drilling risers and TLP and Spar production riser systems. Dril-Quip is currently involved in the development of a number of new products, including liner hangers and control systems.

Dril-Quip’s product development work is conducted at its facilities in Houston, Texas and Aberdeen, Scotland. In addition to the work of its product development staff, the Company’s application engineering staff provides engineering services to customers in connection with the design and sales of its products. The Company’s ability to develop new products and maintain technological advantages is important to its future success. There can be no assurance that the Company will be able to develop new products, successfully differentiate itself from its competitors or adapt to evolving markets and technologies.

The Company believes that the success of its business depends more on the technical competence, creativity and marketing abilities of its employees than on any individual patent, trademark or copyright. Nevertheless, as part of its ongoing product development and manufacturing activities, Dril-Quip’s policy has been to seek patents when appropriate on inventions concerning new products and product improvements. All patent rights for products developed by employees are assigned to the Company and almost all of the Company’s products have components that are covered by patents.

Dril-Quip has numerous U.S. registered trademarks, including Dril-Quip^®, Quik-Thread^®, Quick-Stab^®, Multi-Thread^®, MS-15^®, SS-15^®, SS-10^®, SU-90^®, LS-15^® and DX^®. The Company has registered its trademarks in the countries where such registration is deemed material.

Although in the aggregate the Company’s patents and trademarks are of considerable importance to the manufacturing and marketing of many of its products, the Company does not consider any single patent or trademark or group of patents or trademarks to be material to its business as a whole, except the Dril-Quip^® trademark. The Company also relies on trade secret protection for its confidential and proprietary information. The Company

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routinely enters into confidentiality agreements with its employees and suppliers. There can be no assurance, however, that others will not independently obtain similar information or otherwise gain access to the Company’s trade secrets.

Competition

Dril-Quip faces significant competition from other manufacturers and suppliers of exploration and production equipment. Several of its primary competitors are diversified multinational companies with substantially larger operating staffs and greater capital resources than those of the Company and which, in many instances, have been engaged in the manufacturing business for a much longer period of time than the Company. The Company competes principally with Vetco Gray Offshore Systems and the petroleum production equipment segments of Cooper Cameron Corporation, FMC Technologies, Inc. and Aker Kvaerner.

Because of their relative size and diversity of products, several of these companies have the ability to provide “turnkey” services for offshore drilling and production applications, which enables them to use their own products to the exclusion of Dril-Quip’s products. The Company also competes to a lesser extent with a number of other companies in various products. The principal competitive factors in the petroleum drilling and production equipment markets are quality, reliability and reputation of the product, price, technology, service and timely delivery.

Employees

The total number of the Company’s employees as of December 31, 2004 was 1,289. Of these, 789 were located in the United States. Substantially all of the Company’s employees are not covered by collective bargaining agreements, and the Company considers its employee relations to be good.

The Company’s operations depend in part on its ability to attract quality employees. While the Company believes that its wage and salary rates are competitive and that its relationship with its labor force is good, a significant increase in the wages and salaries paid by competing employers could result in a reduction of the Company’s labor force, increases in the wage and salary rates paid by the Company or both. If either of these events were to occur, in the near-term, the profits realized by the Company from work in progress would be reduced and, in the long-term, the production capacity and profitability of the Company could be diminished and the growth potential of the Company could be impaired.

Governmental Regulations

Many aspects of the Company’s operations are affected by political developments and are subject to both domestic and foreign governmental regulations, including those relating to oilfield operations, worker safety and the protection of the environment. In addition, the Company depends on the demand for its services from the oil and gas industry and, therefore, is affected by changing taxes, price controls and other laws and regulations relating to the oil and gas industry generally, including those specifically directed to offshore operations. The adoption of laws and regulations curtailing exploration and development drilling for oil and gas for economic or other policy reasons could adversely affect the Company’s operations by limiting demand for the Company’s products.

In recent years, increased concern has been raised over the protection of the environment. Offshore drilling in certain areas has been opposed by environmental groups and, in certain areas, has been restricted. To the extent that new laws or other governmental actions prohibit or restrict offshore drilling or impose additional environmental protection requirements that result in increased costs to the oil and gas industry in general and the offshore drilling industry in particular, the business of the Company could be adversely affected. The Company cannot determine to what extent its future operations and earnings may be affected by new legislation, new regulations or changes in existing regulations.

The Company’s operations are affected by numerous foreign, federal, state and local environmental laws and regulations. The technical requirements of these laws and regulations are becoming increasingly expensive, complex and stringent. These laws may provide for “strict liability” for damages to natural resources or threats to public health

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and safety, rendering a party liable for the environmental damage without regard to negligence or fault on the part of such party. Sanctions for noncompliance may include revocation of permits, corrective action orders, administrative or civil penalties and criminal prosecution. Certain environmental laws provide for joint and several strict liability for remediation of spills and releases of hazardous substances. In addition, companies may be subject to claims alleging personal injury or property damage as a result of alleged exposure to hazardous substances, as well as damage to natural resources. Such laws and regulations may also expose the Company to liability for the conduct of or conditions caused by others, or for acts of the Company that were in compliance with all applicable laws at the time such acts were performed. Compliance with environmental laws and regulations may require the Company to obtain permits or other authorizations for certain activities and to comply with various standards or procedural requirements. The Company believes that its facilities are in substantial compliance with current regulatory standards.

Based on the Company’s experience to date, the Company does not currently anticipate any material adverse effect on its business or consolidated financial position as a result of future compliance with existing environmental laws and regulations controlling the discharge of materials into the environment. However, future events, such as changes in existing laws and regulations or their interpretation, more vigorous enforcement policies of regulatory agencies, or stricter or different interpretations of existing laws and regulations, may require additional expenditures by the Company, which may be material.

Item 2.    Properties

Major Manufacturing Facilities

Dril-Quip’s manufacturing facilities in Houston and Aberdeen are capable of manufacturing each of its products, and the facility in Singapore is capable of manufacturing most of the Company’s established products.

Sales, Service and Reconditioning Facilities

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The Company also performs sales, service and reconditioning activities at its facilities in Houston, Aberdeen and Singapore.

Item 3.    Legal Proceedings

The Company is involved in a number of legal actions arising in the ordinary course of business. Although no assurance can be given with respect to the ultimate outcome of such legal actions, in the opinion of management, the ultimate liability with respect thereto will not have a material adverse effect on the Company’s financial position.

Item 4.    Submission of Matters to a Vote of Security Holders

No matters were submitted to a vote of security holders of the Company during the quarter ended December 31, 2004.

Item S-K 401(b).    Executive Officers of the Registrant

Pursuant to Instruction 3 to Item 401(b) of Regulation S-K and General Instruction G(3) to Form 10-K, the following information is included in Part I of this Form 10-K:

The following table sets forth the names, ages (as of March 15, 2005) and positions of the Company’s executive officers:

Larry E. Reimert is Co-Chairman of the Board and Co-Chief Executive Officer with principal responsibility for engineering, product development and finance. He has been the Director—Engineering, Product Development and Finance, as well as a member of the Board of Directors, since the Company’s inception in 1981. Prior to that, he worked for Vetco Offshore, Inc. in various capacities, including Vice President of Technical Operations, Vice President of Engineering and Manager of Engineering. Mr. Reimert holds a BSME degree from the University of Houston and an MBA degree from Pepperdine University.

Gary D. Smith is Co-Chairman of the Board and Co-Chief Executive Officer with principal responsibility for sales, service, training and administration. He has been the Director—Sales, Service, Training and Administration, as well as a member of the Board of Directors, since the Company’s inception in 1981. Prior to that, he worked for Vetco Offshore, Inc. in various capacities, including General Manager and Vice President of Sales and Service.

J. Mike Walker is Co-Chairman of the Board and Co-Chief Executive Officer with principal responsibility for manufacturing, purchasing and facilities. He has been the Director—Manufacturing, Purchasing and Facilities, as well as a member of the Board of Directors, since the Company’s inception in 1981. Prior to that, he served as the Director of Engineering, Manager of Engineering and Manager of Research and Development with Vetco Offshore, Inc. Mr. Walker holds a BSME degree from Texas A&M University, an MSME degree from the University of Texas at Austin and a Ph.D. in mechanical engineering from Texas A&M University.

Jerry M. Brooks has been Chief Financial Officer since March 1999. Prior to that, he served as Chief Accounting Officer since joining the Company in 1992. From 1980 to 1991, he held various positions with Chiles Offshore Corporation, most recently as Chief Financial Officer, Secretary and Treasurer. Mr. Brooks holds a BBA in Accounting and an MBA from the University of Texas at Austin.

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PART II

Item 5.    Market for Registrant’s Common Stock and Related Stockholder Matters

The Company’s Common Stock is publicly traded on the New York Stock Exchange under the symbol DRQ. The following table sets forth the quarterly high and low sales prices of the Common Stock as reported on the New York Stock Exchange for the indicated quarters of fiscal 2003 and 2004:

There were approximately 50 stockholders of record of the Company’s Common Stock as of March 14, 2005. This number does not include the number of security holders for whom shares are held in a “nominee” or “street” name.

The Company currently intends to retain any earnings for the future operation and development of its business and does not currently anticipate paying any dividends in the foreseeable future. The Board of Directors will review this policy on a regular basis in light of the Company’s earnings, financial condition and market opportunities.

Information concerning securities authorized for issuance under equity compensation plans is included in Note 11 of the Notes to Consolidated Financial Statements.

Repurchases of Equity Securities

During the year ended December 31, 2004, none of the Company’s equity securities registered pursuant to Section 12 of the Exchange Act were purchased by or on behalf of the Company or any of the Company’s “affiliated purchasers,” as defined in Rule 10b-18(a)(3) under the Exchange Act.

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Item 6.    Selected Financial Data

The information set forth below should be read in conjunction with “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and the Consolidated Financial Statements and Notes thereto included elsewhere in this Report.

Item 7.    Management’s Discussion and Analysis of Financial Condition and Results of Operations

The following is management’s discussion and analysis of certain significant factors that have affected certain aspects of the Company’s financial position and results of operations during the periods included in the accompanying consolidated financial statements. This discussion should be read in conjunction with the Company’s Consolidated Financial Statements and Notes thereto presented elsewhere in this Report.

Overview

Dril-Quip manufactures highly engineered offshore drilling and production equipment which is well suited for use in deepwater, harsh environment and severe service applications. The Company designs and manufactures subsea equipment, surface equipment and offshore rig equipment for use by major integrated, large independent and foreign

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national oil and gas companies in offshore areas throughout the world. The Company’s principal products consist of subsea and surface wellheads, subsea and surface production trees, mudline hanger systems, specialty connectors and associated pipe, drilling and production riser systems, wellhead connectors and diverters. Dril-Quip also provides installation and reconditioning services and rents running tools for use in connection with the installation and retrieval of its products.

Both the market for offshore drilling and production equipment and services and the Company’s business are substantially dependent on the condition of the oil and gas industry and, in particular, the willingness of oil and gas companies to make capital expenditures on exploration, drilling and production operations offshore. Oil and gas prices and the level of offshore drilling and production activity have historically been characterized by significant volatility.

During 2004 demand for oil and gas increased worldwide, resulting in dramatic prices increases for these commodities. Industry experts believe this trend will continue and could result in increased pressure on production capacity to meet the demand. High commodity prices, combined with supply and demand being in close proximity, a decline in reserves, and below normal inventories, have resulted in oil operators increasing capital spending for both exploration and development programs. However, any future decline in oil and gas prices significantly below current levels would likely have a material adverse effect on the Company’s results of operations. There can be no assurance that the current oil price levels will lead to increases in exploration and development activity or that demand for the Company’s products and services will reflect such improvement, if any.

The Company operates its business and markets its products and services in all of the significant oil and gas producing areas in the world and is, therefore, subject to the risks customarily attendant to international operations and investments in foreign countries. These risks include nationalization, expropriation, war, acts of terrorism and civil disturbance, restrictive action by local governments, limitation on repatriation of earnings, change in foreign tax laws and change in currency exchange rates, any of which could have an adverse effect on either the Company’s ability to manufacture its products in its facilities abroad or the demand in certain regions for the Company’s products or both. To date, the Company has not experienced any significant problems in foreign countries arising from local government actions or political instability, but there is no assurance that such problems will not arise in the future. Interruption of the Company’s international operations could have a material adverse effect on its overall operations.

Dril-Quip’s revenues are generated from two sources: products and services. Product revenues are derived from the sale of offshore drilling and production equipment, and service revenues are earned when the Company provides installation and reconditioning services as well as rental running tools for installation and retrieval of its products. In 2004, the Company derived 83% of its revenues from the sale of its products and 17% of its revenues from services. Service revenues generally correlate to revenues from product sales, because increased product sales generate increased revenues from installation services and rental running tools. The Company has substantial international operations, with approximately 63%, 62% and 64% of its revenues derived from foreign sales in 2002, 2003 and 2004, respectively. On the basis of revenues generated, approximately 64%, 64% and 58% of all products sold were manufactured in the United States during 2002, 2003 and 2004, respectively.

Generally, the Company attempts to raise its prices as its costs increase. However, the actual pricing of the Company’s products and services is impacted by a number of factors, including competitive pricing pressure, underutilized capacity in the oil service sector, maintenance of market share, the introduction of new products and general market conditions.

The Company accounts for larger and more complex projects that have relatively longer manufacturing time frames on a percentage of completion basis. During 2004, three projects representing approximately 13% of the Company’s revenue were accounted for using percentage of completion accounting. This percentage may fluctuate in the future. Revenues accounted for in this manner are generally recognized on the ratio of costs incurred to the total estimated costs. Accordingly, price and cost estimates are reviewed periodically as the work progresses, and adjustments proportionate to the percentage of completion are reflected in the period when such estimates are revised. Amounts received from customers in excess of revenues recognized are classified as a current liability.

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The principal elements of cost of sales are labor, raw materials and manufacturing overhead. Variable costs, such as labor, raw materials, supplies and energy, generally account for approximately two-thirds of the Company’s cost of sales. The Company has experienced increased labor costs over the past few years due to the limited supply of skilled workers and during 2004 has begun to experience significant increases in raw material costs. Fixed costs, such as the fixed portion of manufacturing overhead, constitute the remainder of the Company’s cost of sales. The Company continually seeks to improve its efficiency and cost position. Cost of sales as a percentage of revenues is also influenced by the product mix sold in any particular quarter and market conditions. The Company’s costs related to its foreign operations do not significantly differ from its domestic costs.

Results of Operations

The following table sets forth, for the periods indicated, certain statement of operations data expressed as a percentage of revenues:

Year ended December 31, 2004 Compared to Year Ended December 31, 2003

Revenues.    Revenues increased by $2.1 million, or approximately 1%, to $221.6 million in 2004 from $219.5 million in 2003. The increase was due to increased sales of $19.3 million in the Eastern Hemisphere and $200,000 in the Asia-Pacific area, offset by decreased export sales in the Western Hemisphere of $13.9 million and decreased domestic sales of $3.5 million. The worldwide increase in revenues was due to an overall increase in demand for the Company’s products which occurred at the same time that customer demands in the various regions of the world changed significantly.

Cost of Sales.    Cost of sales decreased by $4.6 million, or 2.9%, to $153.4 million in 2004 from $158.0 million in 2003. As a percentage of revenues, cost of sales was approximately 69% in 2004 and 72% in 2003. This decrease was primarily due to improvements in manufacturing, engineering and field service efficiencies and changes in product mix.

Selling, General and Administrative Expenses.    For the twelve months ended December 31, 2004, selling, general and administrative expenses increased by approximately $3.7 million, or approximately 12.8%, to $32.7 million from $29.0 million in the 2003 period. Selling, general and administrative expenses increased as a percentage of revenues from 13.2% in 2003 to 14.8% in 2004. Increased expenditures in this area were primarily the result of costs of compliance with the requirements of Section 404 of the Sarbanes-Oxley Act of 2002 (approximately $1.2 million), the weakening of the U.S. dollar versus the U.K. pound and most European currencies (approximately $700,000), increased outside audit and legal fees (approximately $300,000), and increased selling, general and administrative expenses related to the Company’s new products: liner hangers and control systems (approximately $300,000).

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Engineering and Product Development Expenses.    During the year ended December 31, 2004, engineering and product development expenses increased by approximately $565,000, or approximately 3.4%, to $17.1 million from $16.5 million during the same period in 2003. This increase primarily reflects increased labor costs related to the development of new products. As a percentage of revenues, engineering and product development expenses increased from 7.5% in 2003 to 7.7% in 2004.

Special Item.    The second quarter 2003 results include a $1.4 million Special Item resulting from the settlement of a previously disclosed warranty claim related to the Company’s drilling riser product. As a result of this settlement, all outstanding warranty issues related to this product were resolved.

Interest Expense.    Interest expense for 2004 was approximately $1.1 million, compared to $1.6 million for 2003. This change resulted primarily from a reduction in borrowings made under the Company’s unsecured revolving line of credit.

Net Income.    Net income increased by approximately $3.5 million or 39.3%, from $9.0 million in 2003 to $12.5 million in 2004. In addition to the reasons set forth above, this increase was primarily due to increased income before taxes of $6.1 million in the Eastern Hemisphere offset by decreased income before taxes of $0.9 million in the Western Hemisphere and decreased income before taxes of $0.8 million in the Asia-Pacific region.

Year ended December 31, 2003 Compared to Year Ended December 31, 2002

Revenues.    Revenues increased by $3.7 million, or approximately 1.7%, to $219.5 million in 2003 from $215.8 million in 2002. The increase was due to increased domestic sales in the Western Hemisphere of $3.3 million, increased sales of $7.1 million in the Eastern Hemisphere, and $2.5 million in the Asia Pacific area, offset by decreased export sales in the Western Hemisphere of $9.2 million. Increased revenues were primarily due to increases in the Company’s worldwide manufacturing capacity.

Cost of Sales.    Cost of sales increased by $ 1.1 million, or 0.7%, to $158.0 million in 2003 from $156.9 million in 2002. As a percentage of revenues, cost of sales was approximately 72% in 2003 and 72.7% in 2002. This decrease was primarily due to improvements in manufacturing efficiencies.

Selling, General and Administrative Expenses.    For the twelve months ended December 31, 2003, selling, general and administrative expenses increased by approximately $1.7 million, or approximately 6.4%, to $29 million from $27.3 million in the 2002 period. Selling, general and administrative expenses increased as a percentage of revenues from 12.6% in 2002 to 13.2% in 2003. Increased expenditures in this area were the result of expanding the Company’s sales and marketing efforts related to new products, increased advertising and trade show expenses and updating the Company’s worldwide computer and communications networks.

Engineering and Product Development Expenses.    During the year ended December 31, 2003, engineering and product development expenses increased by approximately $1.3 million, or approximately 8.5%, to $16.5 million from $15.2 million during the same period in 2002. This increase primarily reflects expenses related to the development of new products. As a percentage of revenues, engineering and product development expenses increased from 7.1% in 2002 to 7.5% in 2003.

Special Item.    During the fourth quarter of 2002 the Company established a $1.35 million reserve for warranty claims related to the Company’s drilling riser product. This reserve was increased by $1.4 million in the second quarter of 2003 to reflect the cost of settling those warranty claims. As a result of this settlement, all outstanding warranty issues related to this product have been resolved.

Interest Expense.    Interest expense for 2003 was approximately $1.6 million, compared to $2.1 million for 2002. This change resulted primarily from a reduction in borrowings made under the Company’s unsecured revolving line of credit.

Net Income.    Net income increased by approximately 2.6%, from $8.7 million in 2002 to $9.0 million in 2003 for the reasons set forth above.

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Liquidity and Capital Resources

The primary liquidity needs of the Company are (i) to fund capital expenditures to improve and expand facilities and manufacture additional rental running tools and (ii) to fund working capital. The Company’s principal sources of funds are cash flows from operations and bank indebtedness.

Net cash provided by operating activities was $14.1 million, $27.0 million and $25.3 million in 2002, 2003 and 2004, respectively.

Capital expenditures by the Company were $17.6 million, $8.3 million and $17.1 million in 2002, 2003 and 2004, respectively. Capital expenditures declined during 2003 as a result of the completion of the Company’s worldwide manufacturing capacity expansion plan. Increases during 2004 were primarily due to expenditures related to the expansion of the Company’s Houston forging facility as well as costs associated with running tools and equipment needed in the development and marketing of the Company’s new liner hanger and subsea controls product lines. Principal payments on long-term debt were $4.4 million, $16.4 million and $11.0 million in 2002, 2003 and 2004, respectively. The reduction in long-term debt during 2004 was primarily due to payments on the Company’s revolving line of credit due to net cash provided by operating activities.

The following table presents long-term contractual obligations of the Company and the related payments, excluding the effects of interest, due in total and by year as of December 31, 2004 (in thousand):

The Company has a credit facility with Guaranty Bank, FSB providing an unsecured revolving line of credit of up to $65 million. At the option of the Company, borrowing under this facility bears interest at either a rate equal to LIBOR (London Interbank Offered Rate) plus 1.75% or the Guaranty Bank base rate. The facility calls for quarterly interest payments and terminates on May 18, 2006. The facility also contains certain covenants including maintaining minimum tangible net worth levels, not exceeding specified funded debt amounts and required interest coverage ratios. The Company is in compliance with all loan covenants. As of December 31, 2004, the Company had drawn down $23.9 million under this facility for operating activities and capital expenditures. It is the Company’s intent to refinance this facility prior to maturity.

Dril-Quip (Europe) Limited has a credit agreement with the Bank of Scotland dated March 21, 2001 in the original amount of U.K. Pounds Sterling 3.7 million (approximately U.S. $7.1 million). Borrowing under this facility bears interest at the Bank of Scotland base rate, which was 4.75% at December 31, 2004, plus 1%, and is repayable in 120 equal monthly installments, plus interest. Substantially all of this facility was used to finance capital expenditures in Norway. The outstanding balance of this facility at December 31, 2004 was approximately U.S. $4.9 million. The facility is secured by land and buildings in Aberdeen, Scotland and contains no restrictive financial covenants.

The secured term loan Dril-Quip Asia Pacific PTE Ltd. had with the Overseas Union Bank dated August 29, 2001 in the original amount of Singapore Dollars $6.0 million (approximately U.S. $3.7 million) was paid in full on December 30, 2004.

The Company believes that cash generated from operations plus cash on hand and its existing line of credit will be sufficient to fund operations, working capital needs and anticipated capital expenditure requirements in 2005. However, any significant future declines in hydrocarbon prices below historical levels could have a material adverse effect on the Company’s liquidity. Should market conditions result in unexpected cash requirements, the Company

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believes that additional borrowing from commercial lending institutions would be readily available and more than adequate to meet such requirements.

Backlog

Backlog consists of firm customer orders for which a purchase order has been received, satisfactory credit or financing arrangements exist and delivery is scheduled. The Company’s revenues for a specific period have not been directly related to its backlog as stated at a particular point in time. The Company’s backlog was approximately $127 million at December 31, 2004, an increase of $63 million or 98% over the backlog of $64 million at December 31, 2003. This increase in backlog is primarily due to improving worldwide market conditions resulting in increased demand for the Company’s products. The Company expects to fill approximately 85% of the December 31, 2004 backlog by December 31, 2005. The remaining backlog at December 31, 2004 consists of longer-term projects which are being designed and manufactured to customer specifications requiring longer lead times. The Company can give no assurance that backlog will remain at current levels. Sales of the Company’s products are affected by prices for oil and natural gas, which fluctuated significantly during 2003 and 2004. Significant future declines in oil and natural gas prices could reduce new customer orders, which would cause the Company’s backlog to decline. All of the Company’s projects currently included in its backlog are subject to change and/or termination at the option of the customer. In the case of a change or termination, the customer is required to pay the Company for work performed and other costs necessarily incurred as a result of the change or termination. In the past, terminations and cancellations have been immaterial to the Company’s overall operating results.

Geographic Segments

The Company’s operations are organized into three geographic segments—Western Hemisphere (including North and South America; headquartered in Houston, Texas), Eastern Hemisphere (including Europe and Africa; headquartered in Aberdeen, Scotland) and Asia-Pacific (including the Pacific Rim, Southeast Asia, Australia, India and the Middle East; headquartered in Singapore). Each of these segments sells similar products and services and the Company has major manufacturing facilities in all three of its headquarter locations. The Company previously reported a single industry segment and disclosed certain geographic financial information. All periods presented herein have been revised to present geographic segment information. See note 10 to the consolidated financial statements.

Revenues for each of these segments are dependent upon the ultimate sale of products and services to the Company’s customers. For information on revenues by geographic segment, see note 10 to the consolidated financial statements. Revenues of the Western Hemisphere are also influenced by its sale of products to the Eastern Hemisphere and Asia-Pacific segments. Accordingly, the operating incomes of each area are closely tied to third-party sales, and the operating income of the Western Hemisphere is also dependent upon its level of intercompany sales.

Currency Risk

Through its subsidiaries, the Company conducts a portion of business in currencies other than the United States dollar, principally the British pound sterling and the Norwegian kroner. The Company generally attempts to minimize its currency exchange risk by seeking international contracts payable in local currency in amounts equal to the Company’s estimated operating costs payable in local currency and in U.S. dollars for the balance of the contract. Because of this strategy, the Company has not experienced significant transaction gains or losses associated with changes in currency exchange rates and does not anticipate such exposure to be material in the future. In 2002, 2003 and 2004, the Company had, net of income taxes, a loss of approximately $425,000, a gain of $365,000, and a gain of $636,000, respectively. The loss in 2002 and the gain in 2003 and 2004 were the result of currency fluctuations related to payables and trade receivables. There is no assurance that the Company will be able to protect itself against such fluctuations in the future. Historically, the Company has not conducted business in countries that limit repatriation of earnings. However, as the Company expands its international operations, it may begin operating in countries that have such limitations. Further, there can be no assurance that the countries in which the Company

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currently operates will not adopt policies limiting repatriation of earnings in the future. The Company also has significant investments in countries other than the United States, principally its manufacturing operations in Aberdeen, Scotland and, to a lesser extent, Singapore and Norway. The functional currency of these foreign operations is the local currency and, accordingly, financial statement assets and liabilities are translated at current exchange rates. Resulting translation adjustments are reflected as a separate component of stockholders’ equity and have no current effect on earnings or cash flow.

Critical Accounting Policies

The Company’s discussion and analysis of its financial condition and results of operations are based on the Company’s Consolidated Financial Statements, which have been prepared in accordance with United States generally accepted accounting principles. The preparation of the Consolidated Financial Statements requires the Company to make estimates and assumptions that affect the reported amount of assets and liabilities and disclosure of contingent assets and liabilities at the date of the Consolidated Financial Statements and the reported amounts of revenues and expenses during the reporting period. There can be no assurance that actual results will not differ from those estimates. The Company believes the following accounting policies affect its more significant judgments and estimates used in preparation of its consolidated financial statements.

Revenue Recognition.    For the majority of the Company’s sales, revenue is recorded at the time the manufacturing process is complete and the products have been shipped to the consumer. For these sales, ownership is transferred to the customer at the time of shipment. Service revenues are recorded at the time the service is rendered. Certain revenues are derived from long-term contracts, which generally require more than one year to fulfill. Revenues and cost of sales and related profits from long-term contracts are recognized under the percentage-of-completion method based on a cost-incurred basis. During 2004, three projects representing approximately 13% of the Company’s revenue were accounted for using percentage of completion accounting. Losses on long-term contracts are recognized when they become known. Contracts for long-term projects usually contain provisions for customer progress payments. Payments and billings in excess of revenues recognized are deferred and are included as a customer prepayment liability. Allowances on accounts receivable are provided primarily on the specific-identification method.

Inventories.    Inventory costs are determined principally by the use of the first-in, first-out (FIFO) method, and are stated at the lower of cost or market. Inventory is valued principally using standard costs that are calculated based upon direct costs incurred and overhead allocations. Periodically, obsolescence reviews are performed on slow-moving inventories and reserves are established based on current assessments about future demands and market conditions. The inventory values have been reduced by a reserve for excess and obsolete inventories. Inventory reserves of $8.3 million and $9.9 million were recorded as of December 31, 2003 and 2004, respectively. If market conditions are less favorable than those projected by management, additional inventory reserves may be required.

Contingent liabilities.    We establish reserves for estimated loss contingencies when we believe a loss is probable and the amount of the loss can be reasonably estimated. Revisions to contingent liabilities are reflected in income in the period in which different facts or information become known or circumstances change that affect our previous assumptions with respect to the likelihood or amount of loss. Reserves for contingent liabilities are based upon our assumptions and estimates regarding the probable outcome of the matter. Should the outcome differ from our assumptions and estimates, revisions to the estimated reserves for contingent liabilities would be required.

The Company has no significant derivative instruments and no off-balance sheet hedging or financing arrangements or contracts or operations that rely upon credit or similar ratings.

New Accounting Standards

In October 2004, the American Jobs Creation Act of 2004 (the “Act”) was signed into law. The Act creates a temporary incentive for U.S. corporations to repatriate accumulated income earned abroad. The Act further provides for a tax deduction for qualified production activities. Under the guidance of FASB Staff Position No. 109-1, Application of FASB Statement No. 109, “Accounting for Income Taxes,” to the Tax Deduction on Qualified Production

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Activities Provided by American Jobs Creation Act of 2004, the deduction will be treated as a “special deduction” as described in SFAS 109 and not as a reduction in the tax rate. As such, the special deduction has no effect on deferred tax assets and liabilities existing on the date of enactment. Rather, the impact of this deduction will be reported in the period in which the deduction is claimed on our tax return. We are still reviewing whether any of our operations would qualify for this deduction.

Also in December 2004, the FASB issued Staff Position No. FAS 109-2, Accounting and Disclosure Guidance for the Foreign Earnings Repatriation Provision within the American Jobs Creation Act of 2004. We do not expect the adoption of these new tax provisions to have a material impact on our consolidated financial position, results of operations, or cash flows.

In November 2004, the Financial Accounting Standards Board (FASB) issued Statement of Financial Accounting Standards No. 151, Inventory Costs (SFAS 151). SFAS 151 is effective for inventory costs incurred during fiscal years beginning after June 15, 2005. The Company believes that there will be no material effect on its financial statements upon adoption of this statement.

In December 2004, the FASB issued Statement of Financial Accounting Standard (“SFAS”) No. 123R, Share-Based Payments. This statement is a revision of SFAS Statement No. 123, Accounting for Stock-Based Compensation and supersedes APB Opinion No. 25, Accounting for Stock Issued to Employees, and its related implementation guidance. SFAS No. 123R addresses all forms of share based payment (“SBP”) awards including shares issued under employee stock purchase plans, stock options, restricted stock and stock appreciation rights. Under SFAS No. 123R, SBP awards result in a cost that will be measured at fair value on the awards’ grant date, based on the estimated number of awards that are expected to vest and will be reflected as compensation expense in the financial statements. In addition, this statement will apply to unvested options granted prior to the effective date. This new standard is effective in interim and annual reporting periods that begin after June 15, 2005. Dril-Quip, Inc. is currently evaluating the effect that implementation of the new standard will have on its financial position, results of operations, and cash flows.

Item 7A.    Quantitative and Qualitative Disclosures About Market Risk

The Company is currently exposed to certain market risks related to interest rate changes and fluctuations in foreign exchange rates. The Company does not engage in any material hedging transactions, forward contracts or currency trading which could be subject to market risks inherent to such transactions.

Foreign Exchange Rate Risk

Through its subsidiaries, the Company conducts a portion of its business in currencies other than the United States dollar, principally the British pound sterling and, to a lesser extent, the Norwegian kroner. The Company generally attempts to minimize the associated currency exchange risks by seeking international contracts payable both in local currency and in U.S. dollars. Because of this strategy, the Company has not experienced significant transaction gains or losses associated with changes in currency exchange rates and does not anticipate such exposure to be material in the future. However, there is no assurance that the Company will be able to protect itself against currency fluctuations in the future. See “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Currency Risk” in Item 7 of this report.

Interest Rate Risk

As described in “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Liquidity and Capital Resources,” the Company has two credit facilities or loans that require the Company to pay interest at a floating rate. These floating-rate obligations expose the Company to the risk of increased interest expense in the event of increases in the short-term interest rates. Based upon the December 31, 2004 balance of approximately $28.8 million related to these floating rate obligations, each 1.0% rise in interest rates would result in additional annual interest expense to the Company of approximately $288,000 , or $72,000 per quarter.

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Item 8.    Financial Statements and Supplementary Data

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Management’s Annual Report on Internal Control over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting. Internal control over financial reporting is defined in Rule 13a-15(f) or 15d-15(f) promulgated under the Securities Exchange Act of 1934 as a process designed by, or under the supervision of, the company’s principal executive and principal financial officers and effected by the company’s board of directors, management and other personnel, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with accounting principles generally accepted in the United States of America and includes those policies and procedures that:

Management has designed its internal control over financial reporting to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements in accordance with accounting principles generally accepted in the United States of America. Management’s assessment included review and testing of both the design effectiveness and operating effectiveness of controls over all relevant assertions related to all significant accounts and disclosures in the financial statements.

All internal control systems, no matter how well designed, have inherent limitations. Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial statement preparation and presentation. Projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Under the supervision and with the participation of our management, including our principal executive officers and principal financial officer, we conducted an evaluation of the effectiveness of our internal control over financial reporting based on the framework in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on our evaluation under the framework in Internal Control—Integrated Framework, our management has concluded that our internal control over financial reporting was effective as of December 31, 2004.

BDO Seidman, LLP, an independent registered public accounting firm, audited management’s assessment of the effectiveness of internal control over financial reporting and issued the report set forth on page 24.

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Board of Directors and Stockholders

Dril-Quip, Inc.

We have audited the accompanying consolidated balance sheet of Dril-Quip, Inc. as of December 31, 2004 and the related consolidated statements of income, changes in stockholders’ equity, and cash flows for the year then ended. These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these financial statements based on our audit.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audit provides a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in all material respects, the consolidated financial position of Dril-Quip, Inc. at December 31, 2004, and the consolidated results of its operations and its cash flows for the year then ended, in conformity with accounting principles generally accepted in the United States of America.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the effectiveness of Dril-Quip, Inc.’s internal control over financial reporting as of December 31, 2004, based on criteria established in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of Treadway Commission (COSO) and our report dated March 11, 2005 expressed an unqualified opinion thereon.

BDO Seidman, LLP

Houston, Texas

March 11, 2005

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Report of Independent Registered Public Accounting Firm

The Board of Directors and Stockholders

Dril-Quip, Inc.:

We have audited management’s assessment, included in the accompanying Management’s Report on Internal Control Over Financial Reporting, that Dril-Quip, Inc. (the “Company”) maintained effective internal control over financial reporting as of December 31, 2004, based on criteria established in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (the COSO criteria). Dril-Quip, Inc.’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting. Our responsibility is to express an opinion on management’s assessment and an opinion on the effectiveness of the company’s internal control over financial reporting based on our audit.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, evaluating management’s assessment, testing and evaluating the design and operating effectiveness of internal control, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with accounting principles generally accepted in the United States. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with accounting principles generally accepted in the United States, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

In our opinion, management’s assessment that Dril-Quip, Inc. maintained effective internal control over financial reporting as of December 31, 2004, is fairly stated, in all material respects, based on the COSO criteria. Also, in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2004, based on the COSO criteria.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated balance sheet of the Company as of December 31, 2004 and the related consolidated statements of income, changes in stockholders’ equity, and cash flows for the year then ended and our report dated March 11, 2005 expressed an unqualified opinion thereon.

BDO Seidman, LLP

Houston, Texas

March 11, 2005

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Report of Independent Registered Public Accounting Firm

The Board of Directors and Stockholders of

Dril-Quip, Inc.

We have audited the accompanying consolidated balance sheet of Dril-Quip, Inc. as of December 31, 2003, and the related consolidated statements of income, stockholders’ equity, and cash flows for each of the two years in the period ended December 31, 2003. These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these financial statements based on our audits.

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in all material respects, the consolidated financial position of Dril-Quip, Inc. at December 31, 2003, and the consolidated results of its operations and its cash flows for each of the two years in the period ended December 31, 2003, in conformity with U.S. generally accepted accounting principles.

Ernst & Young LLP

Houston, Texas

March 5, 2004

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DRIL-QUIP, INC.

CONSOLIDATED STATEMENTS OF INCOME

The accompanying notes are an integral part of these statements.

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DRIL-QUIP, INC.

CONSOLIDATED BALANCE SHEETS

The accompanying notes are an integral part of these statements.

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DRIL-QUIP, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

The accompanying notes are an integral part of these statements.

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DRIL-QUIP, INC.

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY