| 1998-05-27 | 476656 | 42-427-33114 | CHEVRON BTLT #1 | SAMEDAN OIL CORPORATION | DRILL | 11,700 | |
| 1998-05-26 | 476269 | 42-427-33113 | RECTIFIER ZP-40 #155 | PG&E GAS TRANSMISSION, TEX. CORP | DRILL | 280 | |
| 1998-05-26 | 476269 | 42-427-33113 | RECTIFIER ZP-40 #225 | PG&E GAS TRANSMISSION, TEX. CORP | DRILL | 500 | |
| 1998-05-18 | 476392 | 42-427-32476 | GUERRA GU "G" #D 3 | COASTAL OIL & GAS CORPORATION | RECOMP | 10,335 | |
| 1998-05-13 | 476253 | 42-427-33112 | SLICK, T. B. ESTATE A-527 #186 | CONOCO INC. | DRILL | 8,100 | |
| 1998-05-13 | 475432 | 42-427-30690 | EAST, ALICE K., MRS. STATE #3 | EXXON CORP. | RECOMP | 4,303 | |
| 1998-05-08 | 476124 | 42-427-33111 | OLIVARES, A. #24 | ORYX ENERGY COMPANY | DRILL | 9,900 | |
| 1998-05-08 | 476124 | 42-427-33111 | OLIVARES, A. #24 | KERR-MCGEE CORPORATION | DRILL | 10,700 | |
| 1998-05-08 | 476124 | 42-427-33111 | OLIVARES, A. #24 | KERR-MCGEE CORPORATION | DRILL | 11,200 | |
| 1998-05-06 | 476058 | 42-427-33110 | HALL, J. F. STATE -A- #18 | ORYX ENERGY COMPANY | DRILL | 7,600 | |
| 1998-05-05 | 475970 | 42-427-33109 | GUERRA GU "C" #10 | COASTAL OIL & GAS CORPORATION | DRILL | 15,000 | |
| 1998-05-04 | 475908 | 42-427-33108 | COATES #6 | TRI-C RESOURCES, INC. | DRILL | 6,000 | |
| 1998-04-29 | 475787 | 42-427-32026 | SLICK ESTATE -C- #7 | ORYX ENERGY COMPANY | RECOMP | 8,112 | |
| 1998-04-29 | 475787 | 42-427-32026 | SLICK ESTATE -C- #7 | KERR-MCGEE CORPORATION | RECOMP | 8,112 | |
| 1998-04-27 | 475723 | 42-427-33107 | T. B. SLICK ESTATE A-527 #185 | CONOCO INC. | DRILL | 6,220 | |
| 1998-04-27 | 475723 | 42-427-33107 | SLICK, T. B. ESTATE A-527 #185 | CONOCO INC. | DRILL | 6,220 | |
| 1998-04-21 | 475501 | 42-427-32531 | GARCIA, I. Y. #16 | ORYX ENERGY COMPANY | RECOMP | 9,047 | |
| 1998-04-14 | 475272 | 42-427-33106 | ROOS #2 | EDGE PETROLEUM OPER. CO., INC. | DRILL | 5,000 | |
| 1998-04-10 | 475123 | 42-427-33102 | BLOOMBERG #18 | BASS ENTERPRISES PRODUCTION CO. | DRILL | 7,500 | |
| 1998-04-10 | 475123 | 42-427-33102 | BLOOMBERG #18 | BASS ENTERPRISES PRODUCTION CO. | DRILL | 7,500 | |
| 1998-04-10 | 475123 | 42-427-33102 | BLOOMBERG #18 | BASS ENTERPRISES PRODUCTION CO. | DRILL | 7,500 | |
| 1998-04-10 | 475123 | 42-427-33102 | BLOOMBERG #18 | BASS ENTERPRISES PRODUCTION CO. | DRILL | 7,500 | |
| 1998-04-08 | 475147 | 42-427-33105 | GARZA #1 | EDGE PETROLEUM OPER. CO., INC. | DRILL | 7,200 | |
| 1998-04-08 | 475144 | 42-427-33103 | MCGILL BROS. #551 | EXXON CORP. | DRILL | 9,000 | |
| 1998-04-08 | 475143 | 42-427-33104 | MCGILL BROS. #552 | EXXON CORP. | DRILL | 9,000 | |
| 1998-04-06 | 475080 | 42-427-32256 | CARDENAS, R. R. #4 | ORYX ENERGY COMPANY | RECOMP | 6,955 | |
| 1998-04-06 | 475079 | 42-427-32199 | HALL, J. F. STATE -A- #15 | ORYX ENERGY COMPANY | RECOMP | 8,194 | |
| 1998-04-06 | 474950 | 42-427-32660 | ORIVE, A. #7 | SANCHEZ-O'BRIEN OIL & GAS CORP. | RECOMP | 5,300 | |
| 1998-04-01 | 474893 | 42-427-33101 | RICABY #1 | MORTIMER EXPLORATION COMPANY | DRILL | 6,000 | |
| 1998-03-27 | 474803 | 42-427-04878 | MCGILL BROS. #366 | EXXON CORP. | RECOMP | 5,926 | |
| 1998-03-27 | 474705 | 42-427-33099 | BLOOMBERG #16 | BASS ENTERPRISES PRODUCTION CO. | DRILL | 13,000 | |
| 1998-03-27 | 474705 | 42-427-33099 | BLOOMBERG #16 | BASS ENTERPRISES PRODUCTION CO. | DRILL | 13,000 | |
| 1998-03-26 | 474734 | 42-427-32796 | RAMIREZ GU "E" #11 | COASTAL OIL & GAS CORPORATION | RECOMP | 10,664 | |
| 1998-03-26 | 474733 | 42-427-33100 | GUERRA GU "D" #12 | COASTAL OIL & GAS CORPORATION | DRILL | 14,000 | |
| 1998-03-23 | 474590 | 42-427-33097 | BLOOMBERG #15 | BASS ENTERPRISES PRODUCTION CO. | DRILL | 7,500 | |
| 1998-03-23 | 474590 | 42-427-33097 | BLOOMBERG #15 | BASS ENTERPRISES PRODUCTION CO. | DRILL | 7,500 | |
| 1998-03-23 | 474589 | 42-427-33098 | KENT #1 | BASS ENTERPRISES PRODUCTION CO. | DRILL | 13,000 | |
| 1998-03-20 | 474572 | 42-427-33096 | STATE PARK #3 | COASTAL OIL & GAS CORPORATION | DRILL | 12,800 | |
| 1998-03-18 | 457186 | 42-427-32949 | GUERRA, ET AL. #2 | EPSTEIN, EDWIN A JR OPER CO INC | DRILL | 19,000 | |
| 1998-03-17 | 474426 | 42-427-31647 | LAUREL, C. #8 | ORYX ENERGY COMPANY | RECOMP | 5,974 | |
| 1998-03-17 | 474154 | 42-427-30247 | MCGILL BROS #431 | EXXON CORP. | RECOMP | 6,420 | |
| 1998-03-17 | 474154 | 42-427-30247 | MCGILL BROS #431 | EXXON CORP. | RECOMP | 6,420 | |
| 1998-03-11 | 474019 | 42-427-32690 | GUERRA, F. B. #1 | GREENBRIER OPER. CO. | RECOMP | 9,500 | |
| 1998-03-10 | 474238 | 42-427-32975 | ORIVE, A. #9 | ORYX ENERGY COMPANY | RECOMP | 7,945 | |
| 1998-03-06 | 474018 | 42-427-32746 | GUERRA, F. B. #4 | GREENBRIER OPER. CO. | RECOMP | 5,400 | |
| 1998-03-04 | 474033 | 42-427-00573 | MONTALVO, I. V. -C- #5 | ORYX ENERGY COMPANY | RECOMP | 5,126 | |
| 1998-03-03 | 473959 | 42-427-33095 | RODRIGUEZ #2 | KEBO OIL & GAS, INC. | DRILL | 1,000 | |
| 1998-02-27 | 473858 | 42-427-33094 | TEXACO FEE G.U. #4B | LINDER OIL COMPANY,A PARTNERSHIP | DRILL | 4,200 | |
| 1998-02-27 | 473858 | 42-427-33094 | TEXACO FEE GU #4B | LYNX ENERGY COMPANY, INC. | DRILL | 4,200 | |
| 1998-02-26 | 473826 | 42-427-32677 | GUERRA GU "B" #7 | COASTAL OIL & GAS CORPORATION | RECOMP | 12,420 | |