UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

~~WASHINGTON~~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~~Date of earliest event reported): ~~October~~November 110, 2010

~~MARINER~~APACHE ~~ENERGY,~~DEEPWATER ~~INC.~~LLC

(Exact name of registrant as specified in its charter)

Delaware (State or other jurisdiction of incorporation) 1-32747 (Commission File Number) 86-0460233 (I.R.S. Employer Identification No.)


Delaware	1-32747	86-0460233
(State or other jurisdiction	(Commission File Number)	(IRS Employer
of incorporation)		Identification No.)

One BriarLake Plaza, Suite 2000
2000 Post Oak Boulevard
2000 West Sam Houston Parkway South
Suite 100
Houston, Texas (Address of principal executive offices)		77042 (Zip Code)
Houston, Texas		77056-4400
(Address of principal executive offices)		(Zip Code)

Registrant’s telephone number, including area code: (713) ~~954~~ 296-~~5500~~6000

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

Mariner Energy, Inc.
One BriarLake Plaza, Suite 2000
200 West Sam Houston Parkway South
Houston, Texas 77042

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):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

þo Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

~~Item~~Introductory ~~8.01. Other Events.~~Note

On ~~October~~November 110, 2010, ~~Mariner~~pursuant ~~Energy,~~to ~~Inc. (“Mariner”) issued a press release announcing~~ the ~~date~~ ~~and record date for the special meeting of stockholders of Mariner, at which stockholders of Mariner will consider and vote on, among other things, the proposed~~ Agreement and Plan of Merger, dated April 14, 2010, as amended by Amendment No. 1 dated August 2, 2010, by and among Apache Corporation, a Delaware corporation (“Apache”), ~~ZMZ~~Apache Deepwater LLC (formerly known as ZMZ Acquisitions LLC), a Delaware limited liability company and a wholly owned subsidiary of Apache (“Merger Sub”), and Mariner Energy, ~~pursuant~~Inc., toa ~~which~~Delaware itcorporation is(“Mariner”), ~~proposed that~~ Mariner ~~would~~merged ~~merge~~ with and into Merger Sub (the “Merger”)., ~~The~~and ~~special~~the ~~meeting~~separate isexistence ~~scheduled for~~of ~~November 10,~~Mariner ~~2010, at 8:00 a~~ceased.m. ~~Central~~As ~~Time.~~the ~~The~~surviving entity ~~record~~of ~~date~~the ~~for~~Merger, ~~stockholders~~Merger ~~entitled~~Sub ~~to vote~~is at the ~~meeting~~successor isregistrant ~~October 12,~~to ~~2010~~Mariner.

~~A copy of the press release is attached as Exhibit~~Item ~~99.~~1.02 ~~hereto~~Termination ~~and~~of isa ~~incorporated~~Material ~~herein~~Definitive ~~by reference~~Agreement.

* On *November 10, *2010 and contemporaneously with the consummation of the Merger, Mariner repaid in full all outstanding advances under, and terminated, its Amended and Restated Credit Agreement, dated as of March 2, 2006, among Mariner and Mariner Energy Resources, Inc., as Borrowers, the lenders party thereto, as Lenders, and Union Bank of California, N.A., as Administrative Agent and as Issuing Lender.

Notice to Investors

In connection with the Merger, Mariner and Apache will file a definitive proxy statement/prospectus and other documents with the Securities and Exchange Commission. INVESTORS AND SECURITY HOLDERS ARE URGED TO CAREFULLY READ THE DEFINITIVE PROXY STATEMENT/PROSPECTUS WHEN IT BECOMES AVAILABLE BECAUSE IT WILL CONTAIN IMPORTANT INFORMATION REGARDING MARINER, APACHE AND THE MERGER.

A definitive proxy statement/prospectus will be sent to stockholders of Mariner seeking their approval of the Merger. Investors and security holders may obtain a free copy of the definitive proxy statement/prospectus (when available) and other documents filed by Mariner and Apache with the SEC at the SEC’s website, www.sec.gov. Copies of the documents filed with the SEC by Mariner will be available free of charge on Mariner’s website at www.mariner-energy.com under the tab “Investor Information” or by contacting Mariner’s Investor Relations Department at 713-954-5558. Copies of the documents filed with the SEC by Apache will be available free of charge on Apache’s website at www.apachecorp.com under the tab “Investors” or by contacting Apache’s Investor Relations Department at 713-296-6000. You may also read and copy any reports, statements and other information filed with the SEC at the SEC public reference room at 100 F Street N.E., Room 1580, Washington, D.C. 20549. Please call the SEC at (800) 732-0330 or visit the SEC’s website for further information on its public reference room.

Participants in Solicitation

Mariner, its directors, executive officers and certain members of management and employees may, under the rules of the SEC, be deemed to be “participants” in the solicitation of proxies from stockholders of Mariner in connection with the Merger. Information concerning the interests of the persons who may be “participants” in the solicitation will be set forth in the definitive proxy statement/prospectus (when available). Information concerning beneficial ownership of Mariner stock by its directors and certain executive officers is included in its proxy statement dated March 29, 2010 and subsequent statements of changes in beneficial ownership on file with the SEC.

Apache, its directors, executive officers and certain members of management and employees may, under the rules of the SEC, be deemed to be “participants” in the solicitation of proxies from stockholders of Mariner in connection with the Merger. Information concerning the interests of the persons who may be “participants” in the solicitation will be set forth in the definitive proxy statement/prospectus (when available). Information concerning beneficial ownership of Apache stock by

its directors and certain executive officers is included in its proxy statement dated March 31, 2010 and subsequent statements of changes in beneficial ownership on file with the SEC.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits.

Number				Description
	99.1			Press Release dated October 1, 2010.

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 thereunto duly authorized.

	MARINER ENERGY, INC.
Date: October 1, 2010	By:	/s/ Jesus G. Melendrez
		Jesus G. Melendrez
		Senior Vice President, Chief Commercial Officer, Acting Chief Financial Officer and Treasurer


APACHE DEEPWATER LLC
By:	/s/ John A. Crum
	Name:	John A. Crum
	Title:	Chief Operating Officer and President

~~INDEX~~Date: TONovember 16, ~~EXHIBITS~~2010

Number				Description
	99.1			Press Release dated October 1, 2010.

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