SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
FORM 12b-25
Commission File Number__________
NOTIFICATION OF LATE FILING
(Check One): [X] Form 10-K [_] Form 11-K [_] Form 20-F [_] Form 10-Q
[_] Form N-SAR
For Period Ended: 12/31/02
[_] Transition Report on Form 10-K
[_] Transition Report on Form 20-F
[_] Transition Report on Form 11-K
[_] Transition Report on Form 10-Q
[_] Transition Report on Form N-SAR
For the Transition Period Ended: 12/31/02
Read attached instruction sheet before preparing form. Please print or
type.
Nothing in this form shall be construed to imply that the Commission has
verified any information contained herein.
If the notification relates to a portion of the filing checked above,
identify the item(s) to which the notification relates: ________________________
PART I
REGISTRANT INFORMATION
Full name of registrant MARINER ENERGY, INC.
Former name if applicable
________________________________________________________________________________
Address of principal executive office (Street and number)
2101 CityWest Blvd., Suite 1900
City, state and zip code Houston, Texas 77042
PART II
RULE 12b-25(b) AND (c)
If the subject report could not be filed without unreasonable effort or
expense and the registrant seeks relief pursuant to Rule 12b-25(b), the
following should be completed. (Check box if appropriate.)
| (a) The reasons described in reasonable detail in Part III of this
| form could not be eliminated without unreasonable effort or
| expense;
|
| (b) The subject annual report, semi-annual report, transition report
| on Form 10-K, 20-F, 11-K or Form N-SAR, or portion thereof will
[X] | be filed on or before the 15th calendar day following the
| prescribed due date; or the subject quarterly report or
| transition report on Form 10-Q, or portion thereof will be filed
| on or before the fifth calendar day following the prescribed due
| date; and
|
| (c) The accountant's statement or other exhibit required by Rule
| 12b-25(c) has been attached if applicable.
PART III
NARRATIVE
State below in reasonable detail why the Form 10-K, 11-K, 20-F 10-Q, N-SAR
or the transition report portion thereof could not be filed within the
prescribed time period. (Attach extra sheets if needed.)
Mariner Energy, Inc. requests additional time to prepare disclosures
relating to its Enron affiliated parent and recent events.
PART IV
OTHER INFORMATION
(1) Name and telephone number of person to contact in regard to this
notification
Mike Wichterich (713) 954-5536
(Name) (Area Code) (Telephone Number)
(2) Have all other periodic reports required under Section 13 or 15(d) of the
Securities Exchange Act of 1934 or Section 30 of the Investment Company Act
of 1940 during the preceding 12 months or for such shorter period that the
registrant was required to file such report(s) been filed? If the answer is
no, identify report(s).
[X] Yes [_] No
(3) Is it anticipated that any significant change in results of operations from
the corresponding period for the last fiscal year will be reflected by the
earnings statements to be included in the subject report or portion
thereof?
[_] Yes [X] No
If so: attach an explanation of the anticipated change, both narratively
and quantitatively, and, if appropriate, state the reasons why a reasonable
estimate of the results cannot be made.
Mariner Energy, Inc.
(Name of Registrant as Specified in Charter)
Has caused this notification to be signed on its behalf by the undersigned
thereunto duly authorized.
Date 03/30/03 By Michael A. Wichterich
------------------- ---------------------------------------------
INSTRUCTION: The form may be signed by an executive officer of the
registrant or by any other duly authorized representative. The name and
title of the person signing the form shall be typed or printed beneath the
signature. If the statement is signed on behalf of the registrant by an
authorized representative (other than an executive officer), evidence of
the representative's authority to sign on behalf of the registrant shall be
filed with the form.
ATTENTION
Intentional misstatements or omissions of fact constitute Federal Criminal
Violations (see 18 U.S.C. 1001).