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SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
(AMENDMENT NO. 1)
UNDER THE SECURITIES EXCHANGE ACT OF 1934
Spinnaker Exploration Company
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(Name of Issuer)
Common Stock
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(Title of Class of Securities)
84855W 10 9
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(CUSIP Number)
Check the appropriate box to designate the rule for pursuant to which this
Schedule is filed:
|_| Rule 13d-1(b)
|_| Rule 13d-1(c)
|X| Rule 13d-1(d)
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
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CUSIP NO. 84855W 10 9
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================================================================================
1 NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (entities only)
Petroleum Geo-Services ASA
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) [ ]
(b) [ ]
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
Kingdom of Norway
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5 SOLE VOTING POWER
0
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NUMBER OF 6 SHARED VOTING POWER
SHARES 5,388,743*
BENEFICIALLY
OWNED BY -----------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING 0
PERSON
WITH -----------------------------------------------------------
8 SHARED DISPOSITIVE POWER
5,388,743*
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9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,388,743
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10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
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11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
26.4%
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12 TYPE OF REPORTING PERSON
CO
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* These shares are owned of record by Seismic Energy Holdings, Inc., a wholly
owned subsidiary of Petroleum Geo-Services ASA.
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CUSIP NO. 84855W 10 9
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================================================================================
1 NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (entities only)
Seismic Energy Holdings, Inc.
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) [ ]
(b) [ ]
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
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5 SOLE VOTING POWER
0
-----------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES 5,388,743
BENEFICIALLY
OWNED BY -----------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING 0
PERSON
WITH -----------------------------------------------------------
8 SHARED DISPOSITIVE POWER
5,388,743
- --------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,388,743
- --------------------------------------------------------------------------------
10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
- --------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
26.4%
- --------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON
CO
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<TABLE>
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ITEM 1.
Item 1(a) Name of Issuer: Spinnaker Exploration Company
Item 1(b) Address of Issuer's 1200 Smith Street, Suite 800
Principal Executive Offices: Houston, Texas 77002
ITEM 2.
Item 2(a) Name of Person(s) Filing: (i) Petroleum Geo-Services ASA
("PGS")
(ii) Seismic Energy Holdings, Inc.
("Holdings"), a wholly owned
subsidiary of PGS
Item 2(b) Address of Principal (i) Strandveien 50E, P.O. Box 89
Business Office: N-1325 Lysaker, Norway
(ii) 16010 Barker's Point Lane
Suite 600
Houston, Texas 77079
Item 2(c) Citizenship: (i) PGS is a public limited liability
company established under the laws
of the Kingdom of Norway.
(ii) Holdings is a corporation
incorporated under the laws of the
State of Delaware.
Item 2(d) Title of Class of Securities: Common Stock
Item 2(e) CUSIP Number: 84855W 10 9
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(b), OR 13d-2(b) OR (c),
CHECK WHETHER THE PERSON FILING IS A:
(a) [ ] Broker or dealer registered under section 15 of the
Act.
(b) [ ] Bank as defined in section 3(a)(6) of the Act.
(c) [ ] Insurance company as defined in section 3(a)(19) of
the Act.
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<TABLE>
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(d) [ ] Investment company registered under section 8 of the
Investment Company Act of 1940.
(e) [ ] Investment adviser in accordance with Section 240.13d-
1(b)(1)(ii)(E).
(f) [ ] Employee benefit plan or endowment fund in
accordance with Section 240.13d-1(b)(1)(ii)(F).
(g) [ ] Parent holding company or control person, in
accordance with Section 240.13d-1(b)(ii)(G).
(h) [ ] Savings Associations as defined in Section 3(b) of
the Federal Deposit Insurance Act.
(i) [ ] Church plan that is excluded from the definition of
an investment company under Section 3(c)(14) of the
Investment Company Act of 1940.
(j) [ ] Group, in accordance with Section 240.13d-1(b)(1)(ii)(J).
ITEM 4. OWNERSHIP
(a) Amount Beneficially Owned by PGS: 5,388,743(1)
(b) Percent of Class Beneficially Owned by PGS: 26.4%
(c) Number of shares as to which PGS has:
(i) Sole power to vote or to direct the vote: None
(ii) Shared power to vote or to direct the vote: 5,388,743(1)
(iii) Sole power to dispose or to direct the
disposition of: None
(iv) Shared power to dispose or to direct the
disposition: 5,388,743(1)
(d) Amount Beneficially Owned by Holdings: 5,388,743
(e) Percent of Class Beneficially Owned by Holdings: 26.4%
(f) Number of shares as to which Holdings has:
(i) Sole power to vote or to direct the vote: None
(ii) Shared power to vote or to direct the vote: 5,388,743
(iii) Sole power to dispose or to direct the
disposition of: None
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<TABLE>
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(iv) Shared power to dispose or to direct the
disposition: 5,388,743
ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS
Not Applicable
ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON
Not Applicable
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE
SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY
Not Applicable
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP
Not Applicable
ITEM 9. NOTICE OF DISSOLUTION OF GROUP
Not Applicable
ITEM 10. CERTIFICATION
Not Applicable
</TABLE>
Explanation of Responses:
(1) These shares are owned of record by Holdings, a wholly owned
subsidiary of PGS.
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SIGNATURE
After reasonable inquiry and to the best knowledge and belief of the
undersigned, the undersigned certify that the information set forth in this
statement is true, complete and correct.
Dated: February 16, 2000
PETROLEUM GEO-SERVICES ASA
By: /s/ William E. Harlan
---------------------------------
William E. Harlan
Vice President, Chief Accounting
Officer and Controller
SEISMIC ENERGY HOLDINGS, INC.
By: /s/ William E. Harlan
---------------------------------
William E. Harlan
Vice President
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EXHIBIT INDEX
EXHIBIT NO. DESCRIPTION
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99.1 -- Agreement
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EXHIBIT
AGREEMENT
The undersigned hereby agree in writing pursuant to the provisions of
Rule 13d-1(k)(1)(iii) promulgated under the Securities Exchange Act of 1934, as
amended, that the Schedule 13G to which this Agreement is attached is filed on
behalf of each of the undersigned.
Dated: February 16, 2000
PETROLEUM GEO-SERVICES ASA
By: /s/ William E. Harlan
---------------------------------
William E. Harlan
Vice President, Chief Accounting
Officer and Controller
SEISMIC ENERGY HOLDINGS, INC.
By: /s/ William E. Harlan
---------------------------------
William E. Harlan
Vice President
