SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Amendment No. 7) Under the Securities Exchange Act of 1934 Tom Brown, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 11566020 (CUSIP Number) Annabel M. Jones Assistant General Counsel - Corporate Affairs Two West Second Street Tulsa, Oklahoma 74103 (918) 591-1006 (918) 591-1718 (facsimile) (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) December 20, 2001 (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), 240,13d-1(f) or 240.13d-1(g), check the following box. [ ] CUSIP No. 11566020 -1- 1) Name of Reporting Persons I.R.S. Identification Nos. of Above Persons (entities only) Compression, Inc.; 73-1424038 2) Check the Appropriate Box if a Member of a Group (See Instructions) (a) (b) X 3) SEC Use Only 4) Source of Funds (See Instructions) AF 5) Check if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e) 6) Citizenship or Place or Organization - Oklahoma 7) Number of Shares Beneficially Owned by Each Reporting Person with Sole Voting Power - 3,195,600 8) Number of Shares Beneficially Owned by Each Reporting Person with Shared Voting Power - -0- 9) Number of Shares Beneficially Owned by Each Reporting Person with Sole Dispositive Power - 3,195,600 10) Number of Shares Beneficially Owned by Each Reporting Person with Shared Dispositive Power - -0- 11) Aggregate Amount Beneficially Owned by Each Reporting Person - 3,195,600 12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [ ] 13) Percent of Class Represented by Amount in Row (11)- 8.18% 14) Type of Reporting Person (See Instructions) CO -2- Amendment to Statement on Schedule 13D This Amendment No. 7 to Statement on Schedule 13D (this "Amendment") amends the Statement on Schedule 13D dated September 10, 1998, as amended on October 1, October 6, October 9, October 19, 1998, November 19, 1999 and February 14, 2001 (the "Statement") of Compression, Inc., an Oklahoma corporation ("Compression") and a wholly-owned subsidiary of Samson Investment Company ("Samson"), with respect to shares of the common stock, par value of $.10 per share (the "Common Stock") of Tom Brown, Inc., a Delaware corporation ("Issuer"). Capitalized terms used but not defined herein are defined in the Statement and are used herein with the same meanings ascribed thereto in the Statement. Item 5. Interest in Securities of the Issuer (a) See Line 11 on cover page of this Form 13D. (b) See Lines 7 through 10 on cover page of this Form 13D. (c) The following chart sets forth sales of Common Stock in Issuer made by Compression since the filing date of its Amendment No. 6 to Schedule 13D on February 14, 2001. All of such sales were made in brokerage transactions through the open market. The percentage of ownership disclosed below is based on 39,083,199 outstanding shares, the number of outstanding shares in Issuer as reported in Issuer's Quarterly Report on Form 10-Q for the quarter ended September 30, 2001. Total Shares % No. of Shares Price Per Share Date Owned Owned ------------- --------------- ---- ----- ----- 8,900 $26.00 12/18/01 see below see below 1,000 26.01 12/18/01 see below see below 100 26.02 12/18/01 3,237,100 8.28% 9,400 26.00 12/19/01 see below see below 600 26.01 12/19/01 see below see below 10,600 26.05 12/19/01 see below see below 600 26.06 12/19/01 see below see below 8,800 26.09 12/19/01 see below see below 700 26.10 12/19/01 see below see below 400 26.11 12/19/01 see below see below 300 26.12 12/19/01 3,205,700 8.20% 3,900 26.10 12/20/01 see below see below 900 26.12 12/20/01 see below see below 2,100 26.13 12/20/01 see below see below 1,700 26.140625 12/20/01 see below see below 1,500 26.15 12/20/01 3,195,600 8.18% -3- (d) No other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Common Stock. (e) Not applicable. Item 7. Material to Be Filed as Exhibits None 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: December 27, 2001 Signature /s/ Dennis R. Neill -------------------- Name/Title: Dennis R. Neill President Compression, Inc. -4-