| 511141 | Jul 9, 2001 | Jul 9, 2001 | Occidental Permian Ltd. | Hale | Snead #218930441 | 7,500 |
| 511141Amendment | Jul 9, 2001 | Jul 9, 2001 | Occidental Permian Ltd. | Hale | Snead #218930441 | 7,500 |
| 511073 | Jul 5, 2001 | Jul 5, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #156213538113 | 4,800 |
| 511072 | Jul 5, 2001 | Jul 5, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #156113538112 | 4,800 |
| 511071 | Jul 5, 2001 | Jul 5, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #156013538111 | 4,800 |
| 511070 | Jul 5, 2001 | Jul 5, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #155713538110 | 4,800 |
| 511069 | Jul 5, 2001 | Jul 5, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #155613538109 | 4,800 |
| 510857 | Jul 3, 2001 | Jul 3, 2001 | Occidental Permian Ltd. | Yoakum | Gibson Unit #162050134600 | 8,400 |
| 510888 | Jun 29, 2001 | Jun 29, 2001 | Occidental Permian Ltd. | Crockett | Black, Hallie 3A #710538701 | 6,500 |
| 510887 | Jun 29, 2001 | Jun 29, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. #60910538702 | 6,500 |
| 510831 | Jun 28, 2001 | Jun 28, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #154813538107 | 4,800 |
| 510830 | Jun 28, 2001 | Jun 28, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #155213538106 | 4,800 |
| 510829 | Jun 28, 2001 | Jun 28, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. 109 #910538700 | 6,500 |
| 510828 | Jun 28, 2001 | Jun 28, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. 109 #1010538699 | 6,500 |
| 510792 | Jun 27, 2001 | Jun 27, 2001 | Occidental Permian Ltd. | Gaines | Robertson SA Unit #11116535763 | 4,900 |
| 510791 | Jun 27, 2001 | Jun 27, 2001 | Occidental Permian Ltd. | Ector | Goldsmith Landreth Deep Unit #24913535231 | 6,500 |
| 510268 | Jun 19, 2001 | Jun 19, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #464550134588 | 5,500 |
| 510267 | Jun 19, 2001 | Jun 19, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #4653WC50134583 | 5,500 |
| 510263 | Jun 19, 2001 | Jun 19, 2001 | Occidental Permian Ltd. | Hale | Anton-Irish Clearfork Unit #22818930015 | 6,500 |
| 510266 | Jun 15, 2001 | Jun 15, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #4547GC50134587 | 5,500 |
| 510265 | Jun 15, 2001 | Jun 15, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #4548GC50134586 | 5,500 |
| 510265Amendment | Jun 15, 2001 | Jun 15, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #4548GC50134586 | 5,600 |
| 510264 | Jun 15, 2001 | Jun 15, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #4549GC50134585 | 5,500 |
| 510262 | Jun 15, 2001 | Jun 15, 2001 | Occidental Permian Ltd. | Hale | Anton-Irish Clearfork Unit #27418930052 | 6,500 |
| 510261 | Jun 15, 2001 | Jun 15, 2001 | Occidental Permian Ltd. | Hale | Anton-Irish Clearfork Unit #22018930022 | 6,500 |
| 510259 | Jun 15, 2001 | Jun 15, 2001 | Occidental Permian Ltd. | Yoakum | Gibson Unit #200350134582 | 8,400 |
| 510258 | Jun 15, 2001 | Jun 15, 2001 | Occidental Permian Ltd. | Yoakum | Gibson Unit #101650134581 | 8,400 |
| 510256 | Jun 15, 2001 | Jun 15, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #355550134584 | 5,500 |
| 510068 | Jun 11, 2001 | Jun 11, 2001 | Occidental Permian Ltd. | Crockett | South Cross Unit #21410538686 | 5,600 |
| 510067 | Jun 11, 2001 | Jun 11, 2001 | Occidental Permian Ltd. | Crockett | South Cross Unit #21510538685 | 5,600 |
| 509946 | Jun 7, 2001 | Jun 7, 2001 | Occidental Permian Ltd. | Crockett | Black, Hallie 108 #510538679 | 6,500 |
| 509945 | Jun 7, 2001 | Jun 7, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. #60410538681 | 6,500 |
| 509944 | Jun 7, 2001 | Jun 7, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. 109 #810540763 | 6,500 |
| 509942 | Jun 7, 2001 | Jun 7, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. #60310538680 | 6,500 |
| 509941 | Jun 7, 2001 | Jun 7, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. 110 #710538684 | 6,500 |
| 509940 | Jun 7, 2001 | Jun 7, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #154713538086 | 4,800 |
| 509938 | Jun 7, 2001 | Jun 7, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. 110 #810538683 | 6,500 |
| 509769 | Jun 7, 2001 | Jun 7, 2001 | Occidental Permian Ltd. | Yoakum | Gibson Unit #161950134568 | 8,400 |
| 509768 | Jun 6, 2001 | Jun 6, 2001 | Occidental Permian Ltd. | Yoakum | Gibson Unit #161850134573 | 8,400 |
| 509767 | Jun 6, 2001 | Jun 6, 2001 | Occidental Permian Ltd. | Yoakum | Gibson Unit #161750134572 | 8,400 |
| 509766 | Jun 6, 2001 | Jun 6, 2001 | Occidental Permian Ltd. | Yoakum | Gibson Unit #161650134571 | 8,400 |
| 509495 | Jun 1, 2001 | Jun 1, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #663716531613 | 5,600 |
| 509494 | Jun 1, 2001 | Jun 1, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #682316532079 | 5,600 |
| 509493 | Jun 1, 2001 | Jun 1, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #670716500704 | 5,600 |
| 509492 | Jun 1, 2001 | Jun 1, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #663316530192 | 5,600 |
| 509576 | May 30, 2001 | May 30, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #155413538082 | 4,800 |
| 509575 | May 30, 2001 | May 30, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #155113538081 | 4,800 |
| 509574 | May 30, 2001 | May 30, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #154913538080 | 4,800 |
| 508439 | May 29, 2001 | May 29, 2001 | Occidental Permian Ltd. | Andrews | Logdson, C. W. C #900338809 | 4,800 |
| 508438 | May 29, 2001 | May 29, 2001 | Occidental Permian Ltd. | Andrews | Logsdon, C. W. C #800338808 | 4,800 |
| 509041 | May 16, 2001 | May 16, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #155913538074 | 4,800 |
| 509040 | May 16, 2001 | May 16, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #155813538073 | 4,800 |
| 509039 | May 16, 2001 | May 16, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #155513538072 | 4,800 |
| 509038 | May 16, 2001 | May 16, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #155313538071 | 4,800 |
| 509037 | May 16, 2001 | May 16, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #155013538070 | 4,800 |
| 508847 | May 11, 2001 | May 11, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #154613538064 | 4,800 |
| 508846 | May 11, 2001 | May 11, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #154513538063 | 4,800 |
| 508845 | May 11, 2001 | May 11, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #154413538062 | 4,800 |
| 508844 | May 11, 2001 | May 11, 2001 | Occidental Permian Ltd. | Andrews | North Cowden Unit #154300338814 | 4,800 |
| 508843 | May 11, 2001 | May 11, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #154213538060 | 4,800 |
| 508842 | May 11, 2001 | May 11, 2001 | Occidental Permian Ltd. | Ector | North Cowden Unit #154013538059 | 4,800 |
| 508792 | May 10, 2001 | May 10, 2001 | Occidental Permian Ltd. | Gaines | Central Robertson Clearfork Unit #113316535742 | 7,250 |
| 508791 | May 10, 2001 | May 10, 2001 | Occidental Permian Ltd. | Gaines | Central Robertson Clearfork Unit #113416535741 | 7,250 |
| 508606 | May 10, 2001 | May 10, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #683816535739 | 5,600 |
| 508558 | May 9, 2001 | May 9, 2001 | Occidental Permian Ltd. | Hockley | Slaughter Estate Unit #71021936587 | 5,400 |
| 508557 | May 9, 2001 | May 9, 2001 | Occidental Permian Ltd. | Hockley | Slaughter Estate Unit #38921936586 | 5,400 |
| 508556 | May 9, 2001 | May 9, 2001 | Occidental Permian Ltd. | Hockley | West RKM Unit #29521936588 | 5,400 |
| 508375 | May 4, 2001 | May 4, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #4448GC50134567 | 5,600 |
| 508375Amendment | May 4, 2001 | May 4, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #4448GC50134567 | 5,500 |
| 508374 | May 3, 2001 | May 3, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #665116535737 | 5,600 |
| 508373 | May 3, 2001 | May 3, 2001 | Occidental Permian Ltd. | Hockley | Central Mallett Unit #38221936585 | 5,400 |
| 508442 | May 2, 2001 | May 2, 2001 | Occidental Permian Ltd. | Crockett | Daniel, M. K. #70610538651 | 6,500 |
| 508441 | May 2, 2001 | May 2, 2001 | Occidental Permian Ltd. | Andrews | Midland Farms Unit #72300338811 | 4,900 |
| 508440 | May 2, 2001 | May 2, 2001 | Occidental Permian Ltd. | Andrews | Midland Farms Unit #382A00338810 | 4,900 |
| 508326 | Apr 30, 2001 | Apr 30, 2001 | Occidental Permian Ltd. | Andrews | Logsdon, C. W. C #700338807 | 4,800 |
| 508191 | Apr 25, 2001 | Apr 25, 2001 | Occidental Permian Ltd. | Crockett | Black, Hallie 3 #410538646 | 6,500 |
| 508018 | Apr 25, 2001 | Apr 25, 2001 | Occidental Permian Ltd. | Hockley | West RKM Unit #29621936584 | 5,400 |
| 508134 | Apr 24, 2001 | Apr 24, 2001 | Occidental Permian Ltd. | Ector | Goldsmith Blakeney SA Unit #9413504361 | 4,245 |
| 508133 | Apr 24, 2001 | Apr 24, 2001 | Occidental Permian Ltd. | Ector | Goldsmith Blakeney SA Unit #3413530628 | 4,213 |
| 507916 | Apr 24, 2001 | Apr 24, 2001 | Occidental Permian Ltd. | Hockley | Central Mallet Unit #37921936583 | 5,400 |
| 507915 | Apr 24, 2001 | Apr 24, 2001 | Occidental Permian Ltd. | Hockley | Central Mallet Unit #38021936582 | 5,400 |
| 507914 | Apr 24, 2001 | Apr 24, 2001 | Occidental Permian Ltd. | Hockley | Central Mallet Unit #38121936581 | 5,400 |
| 507147 | Apr 23, 2001 | Apr 23, 2001 | Occidental Permian Ltd. | Ector | Holt, O. B. R #3513538053 | 4,800 |
| 507913 | Apr 20, 2001 | Apr 20, 2001 | Occidental Permian Ltd. | Hockley | Central Mallet Unit #38321936580 | 5,400 |
| 507911 | Apr 20, 2001 | Apr 20, 2001 | Occidental Permian Ltd. | Hockley | Central Mallet Unit #38521936579 | 5,400 |
| 507912 | Apr 19, 2001 | Apr 19, 2001 | Occidental Permian Ltd. | Hockley | Central Mallet Unit #38421936578 | 5,400 |
| 507807 | Apr 16, 2001 | Apr 16, 2001 | Occidental Permian Ltd. | Hockley | Central Mallet Unit #38621936577 | 5,400 |
| 507631 | Apr 13, 2001 | Apr 13, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #265750134569 | 5,600 |
| 507628 | Apr 13, 2001 | Apr 13, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #376850134566 | 5,600 |
| 507628Amendment | Apr 13, 2001 | Apr 13, 2001 | Occidental Permian Ltd. | Yoakum | Denver Unit #376850134566 | 5,600 |
| 507627 | Apr 13, 2001 | Apr 13, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #677216535731 | 5,600 |
| 507626 | Apr 13, 2001 | Apr 13, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #677416535730 | 5,600 |
| 507625 | Apr 13, 2001 | Apr 13, 2001 | Occidental Permian Ltd. | Gaines | Denver Unit #677616535729 | 5,600 |
| 506727 | Apr 13, 2001 | Apr 13, 2001 | Occidental Permian Ltd. | Gaines | Robertson SA Unit #13116535716 | 4,900 |
| 507420 | Apr 10, 2001 | Apr 10, 2001 | Occidental Permian Ltd. | Hockley | East RKM Unit #9021936575 | 5,400 |
| 506463 | Apr 9, 2001 | Apr 9, 2001 | Occidental Permian Ltd. | Andrews | Fasken, David CH #1300338776 | 4,800 |
| 506463Amendment | Apr 9, 2001 | Apr 9, 2001 | Occidental Permian Ltd. | Andrews | Fasken, David CH #1300338776 | 5,000 |
| 507353 | Apr 5, 2001 | Apr 5, 2001 | Occidental Permian Ltd. | Hockley | Sundown Unit #8621936573 | 5,400 |
| 507352 | Apr 5, 2001 | Apr 5, 2001 | Occidental Permian Ltd. | Hockley | Sundown Unit #8521936572 | 5,400 |
| 507351 | Apr 5, 2001 | Apr 5, 2001 | Occidental Permian Ltd. | Hockley | Sundown Unit #8421936571 | 5,400 |