| 2001-06-21 | 510509 | 42-375-31498 | MASTERSON #A 41 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,400 | Y |
| 2001-06-07 | 509937 | 42-375-31635 | BIVINS "58" #118R | PIONEER NATURAL RES. USA, INC. | DRILL | 2,300 | |
| 2001-06-05 | 509774 | 42-375-00361 | MASTERSON "103" #B 77 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,100 | Y |
| 2001-06-04 | 509722 | 42-375-00333 | MASTERSON "95" #B 81 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,100 | Y |
| 2001-06-04 | 509695 | 42-375-00196 | BIVINS "32" #A 40 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,100 | Y |
| 2001-05-21 | 509163 | 42-375-00235 | BIVINS #A 39 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,500 | Y |
| 2001-04-27 | 507993 | 42-375-31427 | MASTERSON #B108 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,100 | Y |
| 2001-04-20 | 508051 | 42-375-31634 | MASTERSON #7212 | GOULD OIL INC. | DRILL | 2,350 | |
| 2001-03-26 | 506830 | 42-375-00273 | MASTERSON #B 21 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,500 | Y |
| 2001-03-26 | 506830 | 42-375-00273 | MASTERSON #B 21 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,500 | Y |
| 2001-03-23 | 506769 | 42-375-31545 | MASTERSON #B113 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,100 | Y |
| 2001-03-20 | 506653 | 42-375-31432 | MASTERSON #B110 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,200 | Y |
| 2001-02-14 | 505283 | 42-375-31633 | BIVINS RANCH #207H | RICKS EXPL ACQUISITION CORP | DRILL | 5,000 | Y |
| 2001-02-14 | 505283 | 42-375-31633 | BIVINS RANCH #207H | RICKS EXPL ACQUISITION LLC | DRILL | 5,000 | Y |
| 2001-01-31 | 504745 | 42-375-31630 | MARSH RANCH #1314 | SUNLIGHT EXPLORATION, INC. | RECOMP | 3,608 | Y |
| 2001-01-26 | 504512 | 42-375-00327 | MASTERSON #B45 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,400 | Y |
| 2001-01-23 | 504388 | 42-375-00341 | MASTERSON #B 53 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,100 | Y |
| 2000-12-28 | 503494 | 42-375-31599 | BIVINS RANCH #3004 | J. W. RESOURCES INC. | RECOMP | 2,750 | |
| 2000-11-16 | 502000 | 42-375-00330 | MASTERSON #B 83 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,500 | Y |
| 2000-09-15 | 499620 | 42-375-31511 | MASTERSON #B120 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,500 | Y |
| 2000-09-11 | 499253 | 42-375-31632 | FEDERAL #1619 | SUNLIGHT EXPLORATION, INC. | DRILL | 4,000 | |
| 2000-09-06 | 499204 | 42-375-00141 | BIVINS #A155 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,400 | Y |
| 2000-09-06 | 499203 | 42-375-31541 | BIVINS #A229 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,600 | Y |
| 2000-08-25 | 498823 | 42-375-00264 | BIVINS #A 98 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,300 | Y |
| 2000-08-15 | 498447 | 42-375-31631 | BIVINS FEE #10 | HUBER, J. M., CORPORATION | DRILL | 3,000 | |
| 2000-08-15 | 498447 | 42-375-31631 | BIVINS FEE #10 | HUBER, J. M., CORPORATION | DRILL | 3,000 | |
| 2000-08-04 | 497843 | 42-375-31629 | MARSH RANCH #502 | SUNLIGHT EXPLORATION, INC. | DRILL | 6,000 | |
| 2000-08-04 | 497842 | 42-375-31630 | MARSH RANCH #1314 | SUNLIGHT EXPLORATION, INC. | DRILL | 4,000 | |
| 2000-07-21 | 497447 | 42-375-31628 | BIVINS RANCH #1A | RICKS EXPLORATION, INC. | DRILL | 4,000 | |
| 2000-07-21 | 497447 | 42-375-31628 | BIVINS RANCH #1A | RICKS EXPLORATION, INC. | DRILL | 9,000 | Y |
| 2000-07-21 | 497447 | 42-375-31628 | BIVINS RANCH #1A | RICKS EXPL ACQUISITION CORP | DRILL | 9,000 | Y |
| 2000-05-26 | 495499 | 42-375-00113 | BIVINS #A139 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,500 | Y |
| 2000-05-17 | 494802 | 42-375-31627 | FEDERAL #1019 | SUNLIGHT EXPLORATION, INC. | DRILL | 4,000 | |
| 2000-05-17 | 494801 | 42-375-31626 | FEDERAL #2019 | SUNLIGHT EXPLORATION, INC. | DRILL | 4,000 | |
| 2000-05-03 | 494632 | 42-375-00224 | BIVINS #A95 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,600 | Y |
| 2000-04-05 | 493786 | 42-375-31625 | MASTERSON #7412 | GOULD OIL INC. | DRILL | 2,350 | |
| 2000-03-23 | 493336 | 42-375-31469 | BIVINS #A201 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,600 | Y |
| 2000-03-23 | 493335 | 42-375-31476 | BIVINS #A203 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,500 | Y |
| 2000-03-22 | 493280 | 42-375-00129 | BIVINS #A 96 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,500 | Y |
| 2000-03-09 | 492892 | 42-375-31624 | MARSH RANCH #402 | SUNLIGHT EXPLORATION, INC. | DRILL | 4,000 | |
| 2000-02-29 | 492550 | 42-375-31455 | BIVINS "34" #A198 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,400 | Y |
| 2000-02-29 | 492548 | 42-375-00228 | BIVINS #A105 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,500 | Y |
| 2000-02-15 | 492051 | 42-375-00216 | BIVINS #A 33 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,500 | Y |
| 2000-02-14 | 491992 | 42-375-31225 | BIVINS #A183 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,500 | Y |
| 2000-02-08 | 491883 | 42-375-31621 | MARSH RANCH #302 | SUNLIGHT EXPLORATION, INC. | DRILL | 4,000 | |
| 2000-02-08 | 491882 | 42-375-31622 | MARSH RANCH #4014 | SUNLIGHT EXPLORATION, INC. | DRILL | 4,000 | |
| 2000-02-08 | 491881 | 42-375-31623 | MARSH RANCH #5014 | SUNLIGHT EXPLORATION, INC. | DRILL | 4,000 | |
| 2000-01-19 | 491139 | 42-375-00218 | BIVINS #A100 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,500 | Y |
| 1999-11-04 | 489064 | 42-375-00074 | BIVINS #A79 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,400 | Y |
| 1999-10-26 | 488419 | 42-375-00234 | BIVINS #A 35 | PIONEER NATURAL RES. USA, INC. | RECOMP | 3,400 | Y |