SECURITIES AND EXCHANGE COMMISSION 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 December 20, 1999 NUEVO ENERGY COMPANY (Exact name of registrant as specified in its charter) DELAWARE 0-10537 76-0304436 (State or other jurisdiction of (Commission File Number) (I.R.S. Employer incorporation or organization) Identification Number) 1021 MAIN STREET, SUITE 2100 HOUSTON, TEXAS 77002 (Address of principal executive offices) (713) 652-0706 (Registrant's telephone number, including area code) Not Applicable (Former address, if changed since last report) ================================================================================ ITEM 1. CHANGES IN CONTROL OF REGISTRANT Not applicable ITEM 2. ACQUISITION OR DISPOSITION OF ASSETS Not applicable ITEM 3. BANKRUPTCY OR RECEIVERSHIP Not applicable ITEM 4. CHANGES IN REGISTRANT'S CERTIFYING ACCOUNTANTS Not applicable ITEM 5. OTHER EVENTS Nuevo Energy Company made the Press Release attached hereto as Exhibit 99A. ITEM 6. RESIGNATION OF REGISTRANT'S DIRECTORS Not applicable ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS (c) Exhibits 99A. Copy of the Company's Press Release dated December 21, 1999 ITEM 8. CHANGE IN FISCAL YEAR Not applicable -2- 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 hereunto duly authorized. NUEVO ENERGY COMPANY December 21, 1999 By: /s/ Robert M. King ------------------------------- Robert M. King Senior Vice President and Chief Financial Officer -3-