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): February 14, 2013

BLACK ELK ENERGY OFFSHORE OPERATIONS, LLC

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (281) 598-8600

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:

Item 3.02 Unregistered Sales of Equity Securities.

On February 14, 2013, Black Elk Energy Offshore Operations, LLC (the “Company”) entered into a Contribution Agreement (the “February 14^th Contribution Agreement”) with Platinum Partners Black Elk Opportunities Fund LLC (“PPBE”). On February 14, 2013, pursuant to the February 14^th Contribution Agreement, the Company issued 500,000 Class E Units and 38,000 Class B Units to PPBE for an aggregate offering price of $0.5 million. The Company issued the Class E Units and Class B Units under the February 14^th Contribution Agreement in reliance upon the exemption from securities registration afforded by Section 4(2) of the Securities Act of 1933, as amended, based on certain representations and warranties from PPBE.

On February 22, 2013, the Company entered into a Contribution Agreement (the “February 22^nd Contribution Agreement”) with PPBE. Pursuant to the February 22^nd Contribution Agreement, PPBE agreed to make, or cause its affiliates to make, a series of capital contributions to the Company in an aggregate amount of $29.5 million. On February 22, 2013, pursuant to the February 22^nd Contribution Agreement, the Company issued 4,500,000 Class E Units and 342,000 Class B Units to Platinum Partners Value Arbitrage Fund L.P., the entity designated by PPBE to make a capital contribution to the Company and to receive Class E Units and Class B Units, for an aggregate offering price of $4.5 million. Pursuant to the February 22^nd Contribution Agreement, on or about each of March 1, 2013, March 8, 2013, March 15, 2013, March 22, 2013 and March 29, 2013, PPBE, or its designee, will make a capital contribution to the Company and receive 5,000,000 Class E Units and 380,000 Class B Units, for an aggregate offering price of $25.0 million. The Company issued the Class E Units and Class B Units on February 22, 2013, and will issue all other Class E Units and Class B Units issued under the February 22^nd Contribution Agreement, in reliance upon the exemption from securities registration afforded by Section 4(2) of the Securities Act of 1933, as amended, based on certain representations and warranties from PPBE or its designees.

SIGNATURES

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

Date: February 28, 2013