UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (AMENDMENT NO. 4)* Under the Securities Exchange Act of 1934 Vintage Petroleum, Inc. -------------------------------------------------------------------------------- (Name of Issuer) Common Stock, par value $.005 per share -------------------------------------------------------------------------------- (Title of Class of Securities) 927460-10-5 --------------------------------------------------------- (CUSIP Number) Thomas Boone Pickens, Jr. 260 Preston Commons West 8117 Preston Road Dallas, Texas 75225 (214) 265-4165 -------------------------------------------------------------------------------- (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) January 6, 2003 --------------------------------------------------------- (Date of Event which Requires Filing of this Statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Sections 240.13d-1(e), (f) or (g), check the following box. [ ] Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7 for other parties to whom copies are to be sent. *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 disclosures provided in a prior cover page. The information required on 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). Please Send Copies of Notices and Communications to: Taylor H. Wilson, Esq. Haynes and Boone, LLP 901 Main Street, Suite 3100 Dallas, Texas 75202 (214) 651-5615 SCHEDULE 13D --------------------- ----------- CUSIP No. 927460-10-5 Page 2 of 6 --------------------- ----------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON BP Capital Energy Equity Fund, L.P., a Delaware limited partnership 75-2948254 -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [X] (b) [ ] -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS WC/OO -------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) [ ] N/A -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 7 SOLE VOTING POWER NUMBER OF SHARES 3,582,304 ------------------------------------------------ BENEFICIALLY 8 SHARED VOTING POWER OWNED BY 0 ------------------------------------------------ EACH 9 SOLE DISPOSITIVE POWER REPORTING 3,582,304 ------------------------------------------------ PERSON 10 SHARED DISPOSITIVE POWER WITH 0 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,311,100 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ] N/A -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 6.8% (1) -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON PN -------------------------------------------------------------------------------- (1) Based on a total of 63,320,272 Shares outstanding on November 13, 2002, as disclosed in the Issuer's Quarterly Report on Form 10-Q for the period ended September 30, 2002. --------------------- ----------- CUSIP No. 927460-10-5 Page 3 of 6 --------------------- ----------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON BP Capital Energy Equity International Holdings I, L.P., a Delaware limited partnership 75-2958603 -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [X] (b) [ ] -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS WC/OO -------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) [ ] N/A -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 7 SOLE VOTING POWER NUMBER OF SHARES 728,796 ------------------------------------------------ BENEFICIALLY 8 SHARED VOTING POWER OWNED BY 0 ------------------------------------------------ EACH 9 SOLE DISPOSITIVE POWER REPORTING 728,796 ------------------------------------------------ PERSON 10 SHARED DISPOSITIVE POWER WITH 0 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,311,100 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ] N/A -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 6.8% (1) -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON PN -------------------------------------------------------------------------------- (1) Based on a total of 63,320,272 Shares outstanding on November 13, 2002, as disclosed in the Issuer's Quarterly Report on Form 10-Q for the period ended September 30, 2002. This Amendment No. 4 to Schedule 13D (this "Amendment") amends and supplements the Schedule 13D filed on March 25, 2002 (the "Original Filing"), as amended on May 15, 2002, September 17, 2002, and October 21, 2002, by BP Capital Energy Equity Fund, L.P. ("Energy") and BP Capital Energy Equity International Holdings I, L.P. ("International"), by furnishing the information set forth below. Energy and International are collectively defined in this Amendment as the "Filing Persons." Unless set forth below, all previous Items are unchanged. Capitalized terms used herein which are not defined herein have the meanings given to them in the Original Filing, as amended. ITEM 5. INTEREST IN SECURITIES OF THE ISSUER. Item 5 is hereby amended and restated in its entirety to read as follows: "(a) The Filing Persons may be deemed to beneficially own 4,311,100 Shares (which is approximately 6.8% of the Shares outstanding on November 13, 2002, as disclosed in the Issuer's Quarterly Report on Form 10-Q for the quarter ended September 30, 2002). (b) SOLE SHARED SOLE SHARED VOTING VOTING DISPOSITIVE DISPOSITIVE POWER POWER POWER POWER ------------ ------------ ----------- ----------- BP Capital Energy Equity Fund, L.P. 3,582,304 0 3,582,304 0 BP Capital Energy Equity International Holdings I, L.P. 728,796 0 728,796 0 (c) All transactions in the Shares effected by the Filing Persons during the past sixty days are set forth in Schedule A. (d) Not applicable. (e) Not applicable." Page 4 of 6 SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this Statement is true, complete and correct. Date: January 7, 2003 BP CAPITAL ENERGY EQUITY FUND, L.P. By: BP Capital Management, L.P., its general partner By: TBP Investments Management LLC, its general partner By: /s/ Robert L. Stillwell --------------------------------------------- Name: Robert L. Stillwell Title: Managing Director BP CAPITAL ENERGY EQUITY INTERNATIONAL HOLDINGS I, L.P. By: BP Capital Management, L.P., its general partner By: TBP Investments Management LLC, its general partner By: /s/ Robert L. Stillwell --------------------------------------------- Name: Robert L. Stillwell Title: Managing Director Page 5 of 6 SCHEDULE A RECENT TRANSACTIONS DURING THE PAST SIXTY DAYS, THE ONLY TRANSACTIONS IN THE SHARES BY THE FILING PERSONS WERE THE FOLLOWING SALES: * DATE PRICE ENERGY INTERNATIONAL ----------------- ------------------- ------------------ ------------------ 1/2/2003 $ 10.41 4,000 1,000 1/3/2003 $ 10.37 0 110,800 1/6/2003 $ 10.65 0 64,000 ---------- * All such transactions were effectuated in the open market. Page 6 of 6