UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 29, 2014

C&J ENERGY SERVICES, INC.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (713) 325-6000

Not Applicable.

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

On Wednesday, October 29, 2014, C&J Energy Services, Inc. (“C&J”) issued a press release (the “Earnings Release”) announcing its financial and operating results for the third quarter of 2014. C&J is hereby furnishing the Earnings Release, which is included as Exhibit 99.1 hereto, pursuant to Item 2.02 of Form 8-K.

C&J is holding a conference call to discuss its third quarter 2014 financial and operating results beginning at 10:00 a.m. Eastern / 9:00 a.m. Central on Thursday, October 30, 2014. Interested parties may listen to the conference call via a live webcast accessible on our website at www.cjenergy.com or by calling US: (888) 802-8577 / Int’l: (973) 935-8754 and using the conference ID: 15499483. Please dial-in a few minutes before the scheduled call time. An archive of the webcast will be available shortly after the call on our website at www.cjenergy.com for 12 months following the call. A replay of the call will also be available for one week by calling US: (800) 585-8367 / Int’l: (404) 537-3406 and using the conference ID: 15499483.

The Earnings Release contains, and on the call C&J’s management is expected to discuss, certain non-GAAP financial measures. C&J has provided information regarding its use of those non-GAAP financial measures, together with reconciliations of such measures to their most comparable GAAP measures, in the Earnings Release.

In accordance with General Instruction B.2 of Form 8-K, the information furnished pursuant to this Item 2.02, and including Exhibit 99.1 furnished herewith, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (“Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

As disclosed under Item 2.02 hereof, on Wednesday, October 29, 2014, C&J issued the Earnings Release announcing its financial and operating results for the third quarter of 2014. A copy of the Earnings Release is furnished as Exhibit 99.1 hereto, pursuant to Item 7.01 of Form 8-K.

In accordance with General Instruction B.2 of Form 8-K, the information furnished pursuant to this Item 7.01, and including Exhibit 99.1 furnished herewith, shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, nor shall it be deemed incorporated by reference in any filing under the Securities Act or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

EXHIBIT INDEX