Registration No. 333-124858
462(b) Registration No. 333-134506

 

 

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form S-1

REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933

Mariner Energy, Inc.

Delaware		1311		86-0460233
(State or other jurisdiction of		(Primary Standard Industrial		(I.R.S. Employer
incorporation or organization)		Classification Code Number)		Identification Number)

One Briar Lake Plaza, Suite 2000
2000 West Sam Houston Parkway South
Houston, Texas 77042
(713) 954-5500
(Address, including zip code, and telephone number,
including area code, of registrant’s principal executive offices)
Teresa Bushman
Senior Vice President and General Counsel
Mariner Energy, Inc.
One Briar Lake Plaza, Suite 2000
2000 West Sam Houston Parkway South
Houston, Texas 77042
(713) 954-5505
(Name, address, including zip code, and telephone number,
including area code, of agent for service)

Kelly B. Rose		Brian J. Lynch, Esq.
Baker Botts L.L.P.		Robert A. Welp, Esq.
One Shell Plaza		Hogan & Hartson L.L.P.
910 Louisiana		8300 Greensboro Drive, Suite 1100
Houston, Texas 77002		McLean, Virginia 22102
(713) 229-1796		(703) 610-6100

     Approximate date of commencement of proposed sale to the public: Not applicable.

     If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act, check the following box. þ

     If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. o

     If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. o

     If this Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. o

     If delivery of the prospectus is expected to be made pursuant to Rule 434, please check the following box. o

     This Post-Effective Amendment No. 6 to Form S-1 shall become effective in accordance with Section 8(c) of the Securities Act of 1933, as amended, on such date as the Commission, acting pursuant to said Section 8(c), may determine.

 

 

DEREGISTRATION OF SECURITIES

     We are filing this Post-Effective Amendment No. 6 to our Registration Statement on Form S-1 (File Nos. 333-124858 and 333-134506), as amended (the “Registration Statement”), to deregister the securities remaining unsold under the Registration Statement. Such securities will be registered under a contemporaneously-filed Registration Statement on Form S-3. We hereby remove from registration all securities registered pursuant to this Registration Statement that remain unissued.

SIGNATURES

     Pursuant to the requirements of the Securities Act of 1933, as amended, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Houston, State of Texas, on March 30, 2007.

		Mariner Energy, Inc.
		By:		/s/ Scott D. Josey
				Scott D. Josey
				Chairman of the Board, Chief Executive
				Officer and President

Signature		Title
/s/ Scott D. Josey		Chairman of the Board, Chief Executive Officer and President
Scott D. Josey		(Principal Executive Officer)
/s/ John H. Karnes		Senior Vice President, Chief Financial Officer and Treasurer
John H. Karnes		(Principal Financial and Accounting Officer)
*   Bernard Aronson		Director
*   Alan R. Crain, Jr.		Director
*   Jonathan Ginns		Director
*   John F. Greene		Director
*   H. Clayton Peterson		Director
*   John L. Schwager		Director

*		By:		/s/ Scott D. Josey
				Attorney-in fact