| 1999-12-16 | 490414 | 42-157-32082 | HILMAR UNIT #1 | PATTERSON PETROLEUM LP | DRILL | 8,500 | |
| 1999-12-15 | 490347 | 42-157-32081 | BYRNE-GIESE #1 | ATMIC, INC. | DRILL | 5,500 | |
| 1999-12-09 | 490222 | 42-157-32080 | BASSETT BLAKELY B #G 42 | AMERICAN ENERGY OP. CORP.,THE | DRILL | 4,700 | |
| 1999-12-09 | 490181 | 42-157-32079 | MOORE #220 | PATTERSON PETROLEUM, INC. | DRILL | 3,500 | |
| 1999-12-06 | 490078 | 42-157-32078 | BENTON TRUST #1 | PATTERSON PETROLEUM, INC. | DRILL | 5,600 | |
| 1999-12-06 | 490078 | 42-157-32078 | BENTON TRUST #1 | PATTERSON PETROLEUM, INC. | DRILL | 5,600 | |
| 1999-11-18 | 489445 | 42-157-32076 | BLAKELY #C 61 | AMERICAN ENERGY OP. CORP.,THE | DRILL | 2,500 | |
| 1999-11-18 | 489445 | 42-157-32076 | BLAKELY B #C 61 | AMERICAN ENERGY OP. CORP.,THE | DRILL | 2,800 | |
| 1999-11-03 | 489098 | 42-157-32075 | NEWMAN #1 | THORP PETROLEUM CORPORATION | DRILL | 7,500 | |
| 1999-10-04 | 488181 | 42-157-32074 | AMERICAN BRECO #4 | PATTERSON PETROLEUM, INC. | DRILL | 5,400 | |
| 1999-10-04 | 488181 | 42-157-32074 | AMERICAN BRECO #4 | PATTERSON PETROLEUM, INC. | DRILL | 5,600 | |
| 1999-10-04 | 488181 | 42-157-32074 | AMERICAN BRECO "B" #4 | PATTERSON PETROLEUM, INC. | DRILL | 5,600 | |
| 1999-10-04 | 488181 | 42-157-32074 | AMERICAN BRECO "B" #4 | PATTERSON PETROLEUM, INC. | DRILL | 5,600 | |
| 1999-09-29 | 488061 | 42-157-32073 | MERCURY GAS UNIT #2 | COBRA OIL & GAS CORPORATION | DRILL | 9,000 | |
| 1999-09-29 | 488022 | 42-157-32072 | KAMENCAK ESTATE #1 | MITCHELL ENERGY CORPORATION | DRILL | 12,200 | |
| 1999-09-29 | 488021 | 42-157-32071 | MCBEE, JERRY #1 | MITCHELL ENERGY CORPORATION | DRILL | 9,750 | |
| 1999-09-29 | 487290 | 42-157-32070 | WOLTERS, R. A. "A" #12 | EXXON CORP. | DRILL | 5,450 | |
| 1999-08-18 | 486703 | 42-157-32069 | SVOBODA #1 | PHILLIPS PETROLEUM COMPANY | DRILL | 3,500 | |
| 1999-08-06 | 486338 | 42-157-32068 | JURASSIC-KRENEK #1 | JURASSIC PROD. & EXPL. CO., INC. | DRILL | 15,000 | |
| 1999-07-28 | 486219 | 42-157-32067 | DAVIS #1R | HS RESOURCES, INC. | DRILL | 3,400 | |
| 1999-07-27 | 485985 | 42-157-32065 | HUNTINGTON "C" #4 | PATTERSON PETROLEUM, INC. | DRILL | 5,600 | |
| 1999-07-27 | 485985 | 42-157-32065 | HUNTINGTON "C" #4 | PATTERSON PETROLEUM, INC. | DRILL | 5,600 | |
| 1999-07-27 | 485984 | 42-157-32064 | HUNTINGTON "A" #2 | PATTERSON PETROLEUM, INC. | DRILL | 5,600 | |
| 1999-07-27 | 485984 | 42-157-32064 | HUNTINGTON "A" #2 | PATTERSON PETROLEUM, INC. | DRILL | 5,600 | |
| 1999-07-26 | 486173 | 42-157-32066 | LINGNAU #1 | HS RESOURCES, INC. | DRILL | 9,000 | |
| 1999-07-21 | 485983 | 42-157-32063 | BRECO DYER #1 | PATTERSON PETROLEUM, INC. | DRILL | 9,500 | |
| 1999-07-21 | 485983 | 42-157-32063 | BRECO-DYER #1 | PATTERSON PETROLEUM, INC. | DRILL | 9,500 | |
| 1999-07-13 | 485817 | 42-157-32062 | WILSON UNIT #1 | COBRA OIL & GAS CORPORATION | DRILL | 5,400 | |
| 1999-07-12 | 485783 | 42-157-32061 | BROWN, WILLIE MAE #1 | TESORO E&P COMPANY, L.P. | DRILL | 16,000 | |
| 1999-07-12 | 485783 | 42-157-32061 | BROWN, WILLIE MAE #1 | EEX E&P COMPANY, L.P. | DRILL | 16,000 | |
| 1999-07-08 | 485690 | 42-157-32060 | SMITH-DYER #1 | PATTERSON PETROLEUM, INC. | DRILL | 9,500 | |
| 1999-07-08 | 485690 | 42-157-32060 | SMITH-DYER #1 | PATTERSON PETROLEUM, INC. | DRILL | 9,500 | |
| 1999-07-08 | 485487 | 42-157-32057 | DUSEK #3 | PHILLIPS PETROLEUM COMPANY | DRILL | 14,200 | |
| 1999-07-08 | 485487 | 42-157-32057 | GALLIA #3 | PHILLIPS PETROLEUM COMPANY | DRILL | 14,200 | |
| 1999-07-06 | 485683 | 42-157-32059 | DYER "B" #3 | PATTERSON PETROLEUM, INC. | DRILL | 9,500 | |
| 1999-07-06 | 485683 | 42-157-32059 | DYER "B" #3 | PATTERSON PETROLEUM, INC. | DRILL | 9,500 | |
| 1999-07-06 | 485266 | 42-157-32000 | ROBINSON GAS UNIT NO. 1 #1 | SUE-ANN PRODUCTION COMPANY | RECOMP | 5,482 | |
| 1999-07-02 | 485607 | 42-157-32058 | JURASSIC - HORELICA #1A | JURASSIC PROD. & EXPL. CO., INC. | DRILL | 14,000 | |
| 1999-07-02 | 485607 | 42-157-32058 | HORELICA #1A | KCS RESOURCES, INC. | DRILL | 14,000 | |
| 1999-07-02 | 485607 | 42-157-32058 | HORELICA #1A | KCS RESOURCES, INC. | DRILL | 14,000 | |
| 1999-06-21 | 485339 | 42-157-32056 | LEVERIDGE, A.T. ET UX #9 | SOUTHEASTERN PIPE LINE CO. | DRILL | 8,700 | |
| 1999-06-17 | 485292 | 42-157-32055 | GEMINI GAS UNIT #1 | COBRA OIL & GAS CORPORATION | DRILL | 9,000 | |
| 1999-06-11 | 485013 | 42-157-32050 | HUNTINGTON #3 | PATTERSON PETROLEUM, INC. | DRILL | 5,600 | |
| 1999-06-11 | 485013 | 42-157-32050 | HUNTINGTON "B" #3 | PATTERSON PETROLEUM, INC. | DRILL | 5,600 | |
| 1999-06-11 | 485013 | 42-157-32050 | HUNTINGTON "B" #3 | PATTERSON PETROLEUM, INC. | DRILL | 5,600 | |
| 1999-06-10 | 485137 | 42-157-32054 | MERCURY GAS UNIT #1 | COBRA OIL & GAS CORPORATION | DRILL | 9,000 | |
| 1999-06-10 | 485137 | 42-157-32054 | MERCURY GAS UNIT #1 | COBRA OIL & GAS CORPORATION | DRILL | 9,000 | |
| 1999-06-09 | 485015 | 42-157-32053 | KUTACH #1 | PATTERSON PETROLEUM, INC. | DRILL | 9,000 | |
| 1999-06-09 | 485014 | 42-157-32052 | AMERICAN BRECO #1 | PATTERSON PETROLEUM, INC. | DRILL | 5,600 | |
| 1999-06-09 | 485014 | 42-157-32052 | AMERICAN BRECO #1 | PATTERSON PETROLEUM, INC. | DRILL | 5,600 | |