| 505333 | Feb 15, 2001 | Feb 15, 2001 | Occidental Permian Ltd. | Ector | Witcher, J. E. #11313538003 | 4,600 |
| 505242 | Feb 13, 2001 | Feb 13, 2001 | Occidental Permian Ltd. | Crockett | Daniels, M. K. 111 A #910538549 | 6,500 |
| 505241 | Feb 13, 2001 | Feb 13, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. 109 #710538548 | 6,500 |
| 505240 | Feb 13, 2001 | Feb 13, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. 112 A #910538550 | 6,500 |
| 504811 | Feb 13, 2001 | Feb 13, 2001 | Occidental Permian Ltd. | Gaines | Cedar Lake Unit #66816535689 | 5,000 |
| 505153 | Feb 9, 2001 | Feb 9, 2001 | Occidental Permian Ltd. | Gaines | Robertson SA Unit #19216535692 | 4,900 |
| 505153Amendment | Feb 9, 2001 | Feb 9, 2001 | Occidental Permian Ltd. | Gaines | Robertson SA Unit #19216535692 | 4,900 |
| 505152 | Feb 9, 2001 | Feb 9, 2001 | Occidental Permian Ltd. | Gaines | Robertson SA Unit #23216535691 | 4,900 |
| 505151 | Feb 9, 2001 | Feb 9, 2001 | Occidental Permian Ltd. | Gaines | Robertson SA Unit #22216535690 | 4,900 |
| 505151Amendment | Feb 9, 2001 | Feb 9, 2001 | Occidental Permian Ltd. | Gaines | Robertson SA Unit #22216535690 | 4,900 |
| 505032 | Feb 7, 2001 | Feb 7, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #1489H13537158 | 4,800 |
| 505031 | Feb 7, 2001 | Feb 7, 2001 | Occidental Permian Ltd. | Ector | Witcher, J. E. PA #1613537997 | 4,600 |
| 504999 | Feb 7, 2001 | Feb 7, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #265150134517 | 5,600 |
| 504688 | Feb 5, 2001 | Feb 5, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #665016535687 | 5,600 |
| 504687 | Feb 5, 2001 | Feb 5, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #676516535688 | 5,600 |
| 504750 | Jan 31, 2001 | Jan 31, 2001 | Occidental Permian Ltd. | Ector | Witcher, J. E. #11513537993 | 4,600 |
| 504683 | Jan 30, 2001 | Jan 30, 2001 | Occidental Permian Ltd. | Ector | Witcher, J. E. #11113537992 | 4,600 |
| 504583 | Jan 30, 2001 | Jan 30, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #265850134515 | 5,600 |
| 504582 | Jan 30, 2001 | Jan 30, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #676816535679 | 5,600 |
| 504581 | Jan 30, 2001 | Jan 30, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #676716535683 | 5,600 |
| 504580 | Jan 30, 2001 | Jan 30, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #676616535681 | 5,600 |
| 504579 | Jan 30, 2001 | Jan 30, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #664916535680 | 5,600 |
| 504578 | Jan 30, 2001 | Jan 30, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #676916535682 | 5,600 |
| 504577 | Jan 30, 2001 | Jan 30, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #7648GC16535684 | 5,600 |
| 504621 | Jan 29, 2001 | Jan 29, 2001 | Occidental Permian Ltd. | Ector | Goldsmith Landreth Deep Unit #34013537991 | 6,500 |
| 504620 | Jan 29, 2001 | Jan 29, 2001 | Occidental Permian Ltd. | Ector | Goldsmith Landreth Deep Unit #33513537990 | 6,500 |
| 504619 | Jan 29, 2001 | Jan 29, 2001 | Occidental Permian Ltd. | Ector | Goldsmith Landreth Deep Unit #33413537989 | 6,500 |
| 504618 | Jan 29, 2001 | Jan 29, 2001 | Occidental Permian Ltd. | Ector | Goldsmith Landreth Deep Unit #33213537988 | 6,500 |
| 504617 | Jan 29, 2001 | Jan 29, 2001 | Occidental Permian Ltd. | Ector | Goldsmith Landreth Deep Unit #33113537987 | 6,500 |
| 504585 | Jan 29, 2001 | Jan 29, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #285950134514 | 5,600 |
| 504584 | Jan 29, 2001 | Jan 29, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #683716535678 | 5,600 |
| 504546 | Jan 26, 2001 | Jan 26, 2001 | Occidental Permian Ltd. | Ector | Witcher, J. E. C #913537986 | 4,600 |
| 504545 | Jan 26, 2001 | Jan 26, 2001 | Occidental Permian Ltd. | Ector | Witcher, J. E. C #713537984 | 4,600 |
| 504544 | Jan 26, 2001 | Jan 26, 2001 | Occidental Permian Ltd. | Ector | Witcher, J. E. C #813537985 | 4,600 |
| 504497 | Jan 25, 2001 | Jan 25, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #153213537979 | 4,800 |
| 504496 | Jan 25, 2001 | Jan 25, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #152313537980 | 4,800 |
| 504495 | Jan 25, 2001 | Jan 25, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #152613537981 | 4,800 |
| 504494 | Jan 25, 2001 | Jan 25, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #152213537983 | 4,800 |
| 504493 | Jan 25, 2001 | Jan 25, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #59613530797 | 4,800 |
| 504420 | Jan 23, 2001 | Jan 23, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. #60110538530 | 6,500 |
| 504419 | Jan 23, 2001 | Jan 23, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. #60210538531 | 6,500 |
| 504337 | Jan 22, 2001 | Jan 22, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. #70510538525 | 6,500 |
| 504336 | Jan 22, 2001 | Jan 22, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. #70410538526 | 6,500 |
| 504335 | Jan 22, 2001 | Jan 22, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. #70310538527 | 6,500 |
| 504335Amendment | Jan 22, 2001 | Jan 22, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. #70310538527 | 6,500 |
| 504334 | Jan 22, 2001 | Jan 22, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. #70210538528 | 6,500 |
| 504333 | Jan 22, 2001 | Jan 22, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. #70110538529 | 6,500 |
| 504021 | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Gaines | Wasson South Clearfork Unit #7550S16535676 | 8,200 |
| 504020 | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Gaines | Wasson South Clearfork Unit #8549S16535675 | 8,200 |
| 504019 | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #254750134513 | 5,600 |
| 504018 | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #264950134512 | 5,600 |
| 504017 | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #265050134511 | 5,600 |
| 504016 | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #265450134510 | 5,600 |
| 504016Amendment | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #265450134510 | 5,600 |
| 504015 | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #265550134509 | 5,600 |
| 504014 | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #265650134508 | 5,600 |
| 504014Amendment | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #265650134508 | 5,600 |
| 504013 | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #364850134507 | 5,600 |
| 504012 | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #364950134506 | 5,600 |
| 504011 | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #365050134505 | 5,600 |
| 504010 | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #365250134504 | 5,600 |
| 504010Amendment | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #365250134504 | 5,600 |
| 504009 | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #365350134503 | 5,600 |
| 504009Amendment | Jan 17, 2001 | Jan 17, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #365350134503 | 5,600 |
| 504056 | Jan 16, 2001 | Jan 16, 2001 | Occidental Permian Ltd. | Crockett | Black, Hallie 3 #510538312 | 6,500 |
| 503983 | Jan 12, 2001 | Jan 12, 2001 | Occidental Permian Ltd. | Ector | Goldsmith Landreth Deep Unit #33913537972 | 6,500 |
| 503982 | Jan 12, 2001 | Jan 12, 2001 | Occidental Permian Ltd. | Ector | Goldsmith Landreth Deep Unit #33813537971 | 6,500 |
| 503981 | Jan 12, 2001 | Jan 12, 2001 | Occidental Permian Ltd. | Ector | Goldsmith Landreth Deep Unit #33713537970 | 6,500 |
| 503980 | Jan 12, 2001 | Jan 12, 2001 | Occidental Permian Ltd. | Ector | Goldsmith Landreth Deep Unit #33313537969 | 6,500 |
| 503870 | Jan 10, 2001 | Jan 10, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #152413537959 | 4,800 |
| 503869 | Jan 10, 2001 | Jan 10, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #151213537960 | 4,800 |
| 503868 | Jan 10, 2001 | Jan 10, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #152713537961 | 4,800 |
| 503867 | Jan 10, 2001 | Jan 10, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #153013537962 | 4,800 |
| 503866 | Jan 10, 2001 | Jan 10, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #153313537963 | 4,800 |
| 503806 | Jan 9, 2001 | Jan 9, 2001 | Occidental Permian Ltd. | Gaines | Cedar Lake Unit #66716535670 | 5,000 |
| 503714 | Jan 5, 2001 | Jan 5, 2001 | Occidental Permian Ltd. | Ector | Witcher, J. E. #108W13537955 | 4,600 |
| 503713 | Jan 5, 2001 | Jan 5, 2001 | Occidental Permian Ltd. | Ector | Witcher, J. E. #107W13537956 | 4,600 |
| 503712 | Jan 5, 2001 | Jan 5, 2001 | Occidental Permian Ltd. | Ector | Witcher, J. E. #109W13537957 | 4,600 |
| 503711 | Jan 5, 2001 | Jan 5, 2001 | Occidental Permian Ltd. | Ector | Witcher, J. E. C #613537954 | 4,600 |
| 503711Amendment | Jan 5, 2001 | Jan 5, 2001 | Occidental Permian Ltd. | Ector | Witcher, J. E. C #613537954 | 4,600 |
| 503192 | Dec 18, 2000 | Dec 18, 2000 | Occidental Permian Ltd. | Crockett | Mitchell D #5010538502 | 16,000 |
| 503058 | Dec 18, 2000 | Dec 18, 2000 | Occidental Permian Ltd. | Gaines | Wasson South Clearfork Unit #7548S16535662 | 8,200 |
| 503057 | Dec 18, 2000 | Dec 18, 2000 | Occidental Permian Ltd. | Gaines | Wasson South Clearfork Unit #7549S16535661 | 8,200 |
| 503055 | Dec 18, 2000 | Dec 18, 2000 | Occidental Permian Ltd. | Gaines | Wasson South Clearfork Unit #7551S16535660 | 8,200 |
| 503053 | Dec 18, 2000 | Dec 18, 2000 | Occidental Permian Ltd. | Gaines | Wasson South Clearfork Unit #7552S16535659 | 8,200 |
| 502870 | Dec 14, 2000 | Dec 14, 2000 | Occidental Permian Ltd. | Hockley | Slaughter Estate Unit #81121936557 | 5,500 |
| 502869 | Dec 14, 2000 | Dec 14, 2000 | Occidental Permian Ltd. | Yoakum | Bennett Ranch Unit #535750134486 | 5,400 |
| 502868 | Dec 14, 2000 | Dec 14, 2000 | Occidental Permian Ltd. | Yoakum | Bennett Ranch Unit #536150134490 | 5,400 |
| 502867 | Dec 14, 2000 | Dec 14, 2000 | Occidental Permian Ltd. | Yoakum | Bennett Ranch Unit #536050134487 | 5,400 |
| 502866 | Dec 14, 2000 | Dec 14, 2000 | Occidental Permian Ltd. | Yoakum | Bennett Ranch Unit #535950134488 | 5,400 |
| 502865 | Dec 14, 2000 | Dec 14, 2000 | Occidental Permian Ltd. | Yoakum | Bennett Ranch Unit #535850134489 | 5,400 |
| 502542 | Dec 1, 2000 | Dec 1, 2000 | Occidental Permian Ltd. | Crockett | Daniels, M. K. 111A #710538494 | 6,500 |
| 502541 | Dec 1, 2000 | Dec 1, 2000 | Occidental Permian Ltd. | Crockett | Daniels, M. K. 112A #1010538493 | 6,500 |
| 502489 | Dec 1, 2000 | Dec 1, 2000 | Occidental Permian Ltd. | Kent | Cogdell Canyon Reef Unit #109526330283 | 6,900 |
| 502451 | Dec 1, 2000 | Dec 1, 2000 | Occidental Permian Ltd. | Andrews | Midland Farms Unit #173A00335519 | 12,200 |
| 502060 | Nov 16, 2000 | Nov 16, 2000 | Occidental Permian Ltd. | Andrews | Midland Farms Deep Unit #4800304287 | 12,800 |
| 502060Amendment | Nov 16, 2000 | Nov 16, 2000 | Occidental Permian Ltd. | Andrews | Midland Farms Deep Unit #4800304287 | 12,800 |
| 501811 | Nov 9, 2000 | Nov 9, 2000 | Occidental Permian Ltd. | Crockett | Daniels, M. K. III A #410538484 | 6,500 |
| 501810 | Nov 9, 2000 | Nov 9, 2000 | Occidental Permian Ltd. | Ector | Witcher, J. E. #9613537921 | 4,600 |
| 501809 | Nov 9, 2000 | Nov 9, 2000 | Occidental Permian Ltd. | Ector | Witcher, J. E. #9913537920 | 4,600 |