| 1998-06-01 | 476632 | 42-375-31581 | MASTERSON "10" #136R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,500 | |
| 1998-06-01 | 476630 | 42-375-31583 | BIVINS "12" #A230 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,300 | |
| 1998-06-01 | 476630 | 42-375-31583 | BIVINS "12" #A230 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,300 | |
| 1998-06-01 | 476630 | 42-375-31583 | BIVINS "12" #A230 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,300 | |
| 1998-05-21 | 476369 | 42-375-31578 | BIVINS "40" #103R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,100 | |
| 1998-05-08 | 475943 | 42-375-31569 | MASTERSON "24" #147R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,200 | |
| 1998-05-08 | 475942 | 42-375-31570 | MASTERSON "15" #144R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,300 | |
| 1998-05-08 | 475941 | 42-375-31571 | MASTERSON "17" #143R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,200 | |
| 1998-05-08 | 475940 | 42-375-31572 | MASTERSON "20" #140R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,100 | |
| 1998-05-08 | 475939 | 42-375-31573 | MASTERSON "22" #133R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,200 | |
| 1998-05-08 | 475938 | 42-375-31574 | MASTERSON "82" #131R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,300 | |
| 1998-05-08 | 475937 | 42-375-31575 | MASTERSON "67" #130R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,300 | |
| 1998-05-08 | 475935 | 42-375-31576 | GAGE "8" #3R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,300 | |
| 1998-05-08 | 475933 | 42-375-31577 | CRAWFORD "4" #13R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,400 | |
| 1998-05-04 | 475934 | 42-375-31568 | MARSH RANCH #3048 | SUNLIGHT EXPLORATION, INC. | DRILL | 4,000 | |
| 1998-04-30 | 475634 | 42-375-31567 | BIVINS "21" #101R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,500 | |
| 1998-04-30 | 475633 | 42-375-31566 | BIVINS "12" #106R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,500 | |
| 1998-04-30 | 475632 | 42-375-31565 | BIVINS "9" #108R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,500 | |
| 1998-04-30 | 475631 | 42-375-31564 | BIVINS "30" #109R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,400 | |
| 1998-04-28 | 475630 | 42-375-31563 | COUGHLIN #4R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,400 | |
| 1998-04-20 | 473916 | 42-375-31562 | MASTERSON "72" #135R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,400 | |
| 1998-03-10 | 473819 | 42-375-31560 | MASTERSON "104" #129R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,000 | |
| 1998-03-06 | 473919 | 42-375-31561 | MASTERSON "91" #127R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,300 | |
| 1998-03-06 | 473820 | 42-375-31559 | MASTERSON "104" #146R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,000 | |
| 1998-03-06 | 473732 | 42-375-31556 | MASTERSON "100" #138R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,300 | |
| 1998-03-06 | 473731 | 42-375-31557 | MASTERSON "93" #145R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,400 | |
| 1998-03-06 | 473730 | 42-375-31558 | MASTERSON "64" #128R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,200 | |
| 1998-03-06 | 473729 | 42-375-31555 | MASTERSON "71" #132R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,300 | |
| 1998-03-06 | 473522 | 42-375-00209 | BIVINS #A 8 | SEAGULL MIDCON INC. | RECOMP | 3,002 | |
| 1998-03-05 | 473520 | 42-375-00229 | BIVINS #A 7 | SEAGULL MIDCON INC. | RECOMP | 2,980 | |
| 1998-02-27 | 473818 | 42-375-31471 | BIVINS RANCH "C" #3001 | J. W. RESOURCES INC. | RECOMP | 2,900 | |
| 1998-02-27 | 473675 | 42-375-31554 | MASTERSON "70" #139R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,300 | |
| 1998-02-24 | 473625 | 42-375-31474 | BIVINS RANCH "B" #2003 | J. W. RESOURCES INC. | RECOMP | 2,900 | |
| 1998-01-30 | 472827 | 42-375-31445 | MARSH RANCH #2048 | SUNLIGHT EXPLORATION, INC. | RENTR | 4,000 | |
| 1998-01-30 | 472793 | 42-375-80202 | BIVINS A 2 #A 2 | SEAGULL MIDCON INC. | RECOMP | 2,953 | |
| 1998-01-28 | 472451 | 42-375-31552 | MASTERSON "109" #126R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,000 | |
| 1998-01-28 | 472450 | 42-375-31551 | MASTERSON "92" #121R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,300 | |
| 1998-01-28 | 472442 | 42-375-31550 | MASTERSON "65" #122R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,200 | |
| 1998-01-23 | 472448 | 42-375-31549 | MASTERSON "101" #123R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,200 | |
| 1998-01-23 | 472446 | 42-375-31548 | MASTERSON "86" #124R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,400 | |
| 1998-01-23 | 472444 | 42-375-31547 | BIVINS "22" #100R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,400 | |
| 1998-01-23 | 472351 | 42-375-31545 | MASTERSON "35" #B113 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,100 | |
| 1998-01-23 | 472349 | 42-375-31546 | BIVINS "11" #98R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,400 | |
| 1998-01-22 | 472443 | 42-375-31553 | BIVINS "2" #99R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,400 | |
| 1998-01-22 | 472443 | 42-375-31553 | BIVINS "2" #99R | PIONEER NATURAL RES. USA, INC. | DRILL | 4,250 | |
| 1998-01-22 | 472252 | 42-375-31543 | MASTERSON "105" #B126 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,400 | |
| 1998-01-20 | 472253 | 42-375-31544 | MASTERSON "4" #B125 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,300 | |
| 1998-01-16 | 472158 | 42-375-31542 | MASTERSON "83" #J 13 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,400 | |
| 1998-01-14 | 471888 | 42-375-31541 | BIVINS "23" #A229 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,600 | |
| 1998-01-12 | 471792 | 42-375-31540 | BIVINS RANCH "A" #2004 | J. W. RESOURCES INC. | DRILL | 2,750 | |