| 1998-10-12 | 480085 | 42-427-33135 | GARCIA, I. Y. #23 | ORYX ENERGY COMPANY | DRILL | 8,400 | |
| 1998-10-12 | 480085 | 42-427-33135 | GARCIA, I. Y. #23 | KERR-MCGEE OIL & GAS ONSHORE LLC | DRILL | 12,900 | |
| 1998-10-09 | 479872 | 42-427-32029 | SLICK, T. B. ESTATE #93 | FINA OIL & CHEMICAL COMPANY | RECOMP | 10,090 | |
| 1998-10-06 | 479297 | 42-427-33129 | LA BRISA 91 #6 | TEXAS INDEPENDENT EXPLOR., INC. | DRILL | 7,200 | |
| 1998-10-01 | 479789 | 42-427-33000 | SLICK, T. B. ESTATE #114 | FINA OIL & CHEMICAL COMPANY | RECOMP | 10,800 | |
| 1998-09-30 | 479752 | 42-427-33131 | BLOOMBERG #17 | BASS ENTERPRISES PRODUCTION CO. | DRILL | 10,000 | |
| 1998-09-29 | 479776 | 42-427-33134 | SLICK ESTATE -C- #13 | ORYX ENERGY COMPANY | DRILL | 10,000 | |
| 1998-09-29 | 479775 | 42-427-33133 | SLICK ESTATE "C" #14 | ORYX ENERGY COMPANY | DRILL | 11,000 | |
| 1998-09-29 | 479775 | 42-427-33133 | SLICK ESTATE "C" #14 | ORYX ENERGY COMPANY | DRILL | 11,000 | |
| 1998-09-29 | 479761 | 42-427-33132 | STATE OF TEXAS-SLICK #2 #1 | STAR OF TEXAS ENERGY SRVS, INC. | DRILL | 5,700 | |
| 1998-09-28 | 479587 | 42-427-33076 | PIRTLE #1 | BARRETT BROTHERS OIL & GAS, INC. | RECOMP | 9,000 | |
| 1998-09-24 | 479684 | 42-427-32343 | ALVAREZ-HINOJOSA GAS UNIT #2 | ORYX ENERGY COMPANY | RECOMP | 7,495 | |
| 1998-09-23 | 479109 | 42-427-32188 | HERMANN, A. G. GAS UNIT #3 | ORYX ENERGY COMPANY | RECOMP | 7,180 | |
| 1998-09-22 | 479627 | 42-427-33130 | VILLARREAL ET AL #1 | EDGE PETROLEUM OPER. CO., INC. | DRILL | 5,000 | |
| 1998-09-16 | 479430 | 42-427-33054 | SLICK, T. B. ESTATE #121U | FINA OIL & CHEMICAL COMPANY | RECOMP | 5,700 | |
| 1998-09-11 | 479399 | 42-427-32881 | A. G. HERMANN GAS UNIT #6 | ORYX ENERGY COMPANY | RECOMP | 6,964 | |
| 1998-09-10 | 479371 | 42-427-31850 | CHAPOTAL LAND CO. -A- #24 | ORYX ENERGY COMPANY | RECOMP | 4,730 | |
| 1998-09-10 | 479371 | 42-427-31850 | CHAPOTAL LAND CO. -A- #24 | KERR-MCGEE CORPORATION | RECOMP | 8,999 | |
| 1998-09-10 | 479371 | 42-427-31850 | CHAPOTAL LAND CO. -A- #24 | KERR-MCGEE CORPORATION | RECOMP | 8,999 | |
| 1998-08-28 | 479107 | 42-427-32960 | ALVAREZ-HINOJOSA GAS UNIT #3 | ORYX ENERGY COMPANY | RECOMP | 7,250 | |
| 1998-08-28 | 479045 | 42-427-33128 | SLICK ESTATE #4 | MUELLER ENGINEERING CORP. | DRILL | 3,600 | |
| 1998-08-28 | 479045 | 42-427-33128 | SLICK ESTATE #4 | MUELLER ENGINEERING CORP. | DRILL | 3,600 | |
| 1998-08-27 | 479032 | 42-427-32759 | TEXACO FEE- GUERRA "A" #1ST | LINDER OIL COMPANY,A PARTNERSHIP | RECOMP | 3,600 | Y |
| 1998-08-24 | 478942 | 42-427-33127 | DE GARZA, J. G. #10 | SHANA PETROLEUM COMPANY | DRILL | 7,600 | |
| 1998-08-19 | 478828 | 42-427-33126 | STATE OF TEXAS SLICK #1 #1 | STAR OF TEXAS ENERGY SRVS, INC. | DRILL | 6,500 | |
| 1998-08-18 | 478741 | 42-427-31516 | CAMERON-STATE #1A | TEXAS OILFIELD ENVIR. SERV.,INC | RENTR | 5,700 | |
| 1998-08-17 | 478761 | 42-427-33125 | GUERRA, A. "A" #12 | TESORO E&P COMPANY, L.P. | DRILL | 9,500 | |
| 1998-08-17 | 478759 | 42-427-33124 | GUERRA GU "C" #11 | COASTAL OIL & GAS CORPORATION | DRILL | 16,000 | |
| 1998-08-10 | 477803 | 42-427-33026 | GUERRA MINERAL TRUST "NCT III" #9 | HUGHES, DAN A. COMPANY | DRILL | 2,485 | |
| 1998-08-06 | 478551 | 42-427-33123 | THOMAS, CARRIZO NO. 1 #1 | CARRIZO OIL & GAS, INC. | DRILL | 9,500 | |
| 1998-07-28 | 478243 | 42-427-32706 | CAMERON 487 #1 | TEXAS INDEPENDENT EXPLOR., INC. | RECOMP | 8,263 | |
| 1998-07-23 | 478141 | 42-427-32742 | CAMERON 487 #2 | TEXAS INDEPENDENT EXPLOR., INC. | RECOMP | 8,200 | |
| 1998-07-17 | 478081 | 42-427-33122 | GUERRA GU "C" #15 | COASTAL OIL & GAS CORPORATION | DRILL | 15,500 | |
| 1998-07-14 | 477424 | 42-427-32947 | MARTINEZ B #47 | SAMEDAN OIL CORPORATION | RECOMP | 6,430 | |
| 1998-07-13 | 477611 | 42-427-33121 | CANALES, R. #1 | REDMAN OPERATING COMPANY | DRILL | 6,000 | |
| 1998-07-10 | 477837 | 42-427-32550 | GUERRA GU "B" #2 | COASTAL OIL & GAS CORPORATION | RECOMP | 12,879 | |
| 1998-07-09 | 477811 | 42-427-32319 | SPEER, GEORGE H. #21 | ORYX ENERGY COMPANY | RECOMP | 7,385 | |
| 1998-07-09 | 477810 | 42-427-32198 | DE GARZA, J. G. #9 | SHANA PETROLEUM COMPANY | RECOMP | 7,465 | |
| 1998-07-01 | 477529 | 42-427-01254 | MARTINEZ -B- #29 | SAMEDAN OIL CORPORATION | RECOMP | 6,015 | |
| 1998-06-29 | 477553 | 42-427-33120 | HENSLEY-YTURRIA #1 | CARRIZO OIL & GAS, INC. | DRILL | 8,000 | |
| 1998-06-17 | 477238 | 42-427-33119 | GUERRA GU "C" #8 | COASTAL OIL & GAS CORPORATION | DRILL | 16,000 | |
| 1998-06-10 | 476872 | 42-427-31413 | KEMPNER MINERALS, LP #2 | PYLE PETROLEUM INC. | RECOMP | 5,200 | |
| 1998-05-29 | 476727 | 42-427-33117 | SLICK, T.B. B-506 #190 | CONOCO INC. | DRILL | 6,450 | |
| 1998-05-29 | 476726 | 42-427-33118 | T. B. SLICK B-506 #191 | CONOCO INC. | DRILL | 6,450 | |
| 1998-05-29 | 476669 | 42-427-32795 | STATE SLICK D #21 | FINA OIL & CHEMICAL COMPANY | FLD-XFR | 9,000 | |
| 1998-05-29 | 476669 | 42-427-32795 | STATE SLICK D #21 | FINA OIL & CHEMICAL COMPANY | FLD-XFR | 9,000 | |
| 1998-05-29 | 476550 | 42-427-32484 | HEARD, J. F. B. #5A | INTEGRATED OPERATING CORPORATION | RECOMP | 4,320 | |
| 1998-05-28 | 476683 | 42-427-33116 | SPEERS-STATE #1 | TRI-C RESOURCES, INC. | DRILL | 8,000 | |
| 1998-05-28 | 476683 | 42-427-33116 | TCR SPEER STATE #1 | TRI-C RESOURCES, INC. | DRILL | 8,000 | |
| 1998-05-27 | 476661 | 42-427-33115 | HALL #1 | TRI-C RESOURCES, INC. | DRILL | 7,000 | |