| 623279 | Aug 2, 2006 | Aug 2, 2006 | Occidental Permian Ltd. | Gaines | Cedar Lake Unit #68716536630 | 5,200 |
| 623653 | Aug 1, 2006 | Aug 1, 2006 | Occidental Permian Ltd. | Hale | Anton-Irish Clearfork Unit #56618930480 | 6,500 |
| 623652 | Aug 1, 2006 | Aug 1, 2006 | Occidental Permian Ltd. | Hale | Anton-Irish Clearfork Unit #56518930481 | 6,500 |
| 623648 | Aug 1, 2006 | Aug 1, 2006 | Occidental Permian Ltd. | Hale | Anton-Irish Clearfork Unit #56418930479 | 6,500 |
| 623439 | Aug 1, 2006 | Aug 1, 2006 | Occidental Permian Ltd. | Gaines | Gaines Wasson Clearfork Unit #681716536625 | 8,500 |
| 622774 | Jul 26, 2006 | Jul 26, 2006 | Occidental Permian Ltd. | Ector | Goldsmith-Landreth /Deep/ Unit #37613539156 | 6,500 |
| 622776 | Jul 25, 2006 | Jul 25, 2006 | Occidental Permian Ltd. | Ector | Goldsmith-Landreth /Deep/ Unit #38313539157 | 6,500 |
| 622995 | Jul 21, 2006 | Jul 21, 2006 | Occidental Permian Ltd. | Hale | Anton-Irish Clearfork Unit #56918930477 | 6,500 |
| 622993 | Jul 21, 2006 | Jul 21, 2006 | Occidental Permian Ltd. | Hale | Anton-Irish Clearfork Unit #56818930478 | 6,500 |
| 622992 | Jul 21, 2006 | Jul 21, 2006 | Occidental Permian Ltd. | Hale | Anton-Irish Clearfork Unit #56718930476 | 6,500 |
| 622946 | Jul 20, 2006 | Jul 20, 2006 | Occidental Permian Ltd. | Ector | North Gist #113539158 | 9,600 |
| 622251 | Jul 17, 2006 | Jul 17, 2006 | Occidental Permian Ltd. | Ector | Cowden, Elliott F., -A- #15413534424 | 4,600 |
| 622035 | Jul 12, 2006 | Jul 12, 2006 | Occidental Permian Ltd. | Yoakum | Bennett Ranch Unit #425450135372 | 5,600 |
| 622034 | Jul 12, 2006 | Jul 12, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #425350135371 | 5,600 |
| 621077 | Jul 5, 2006 | Jul 5, 2006 | Occidental Permian Ltd. | Hockley | Central Levelland Unit #31821936926 | 5,200 |
| 621440 | Jun 27, 2006 | Jun 27, 2006 | Occidental Permian Ltd. | Ector | Henderson, F. A. -B- #713535006 | 9,250 |
| 620890 | Jun 27, 2006 | Jun 27, 2006 | Occidental Permian Ltd. | Upton | Midcross Dev. Unit #3646135119 | 5,600 |
| 621360 | Jun 21, 2006 | Jun 21, 2006 | Occidental Permian Ltd. | Scurry | Cogdell Canyon Reef Unit #601541503889 | 7,200 |
| 620624 | Jun 9, 2006 | Jun 9, 2006 | Occidental Permian Ltd. | Terrell | Turk -A- #1A44300068 | 14,500 |
| 620420 | Jun 6, 2006 | Jun 6, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #482750130466 | 5,600 |
| 620418 | Jun 6, 2006 | Jun 6, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #482150130441 | 5,600 |
| 620414 | Jun 6, 2006 | Jun 6, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #482050130442 | 5,600 |
| 620413 | Jun 6, 2006 | Jun 6, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #480350101191 | 5,600 |
| 620411 | Jun 6, 2006 | Jun 6, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #480250100083 | 5,600 |
| 620410 | Jun 6, 2006 | Jun 6, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #484550134170 | 5,600 |
| 620405 | Jun 6, 2006 | Jun 6, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #482250130470 | 5,600 |
| 620398 | Jun 6, 2006 | Jun 6, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #480550100352 | 5,600 |
| 620397 | Jun 6, 2006 | Jun 6, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #383650130459 | 5,600 |
| 618493 | Jun 6, 2006 | Jun 6, 2006 | Occidental Permian Ltd. | Hockley | May Montgomery Unit #68H21933644 | 5,200 |
| 617311 | Jun 6, 2006 | Jun 6, 2006 | Occidental Permian Ltd. | Gaines | Flanagan Unit #154116536555 | 7,500 |
| 620289 | Jun 5, 2006 | Jun 5, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #68650134350 | 5,600 |
| 620288 | Jun 5, 2006 | Jun 5, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #56150132427 | 5,600 |
| 620286 | Jun 5, 2006 | Jun 5, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #41550130641 | 5,600 |
| 620284 | Jun 5, 2006 | Jun 5, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #40250130652 | 5,600 |
| 620282 | Jun 5, 2006 | Jun 5, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #40150130669 | 5,600 |
| 620281 | Jun 5, 2006 | Jun 5, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #39850130642 | 5,600 |
| 620278 | Jun 5, 2006 | Jun 5, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #39750130682 | 5,600 |
| 620256 | Jun 5, 2006 | Jun 5, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #38650130691 | 5,600 |
| 620254 | Jun 5, 2006 | Jun 5, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #38550130636 | 5,600 |
| 620252 | Jun 5, 2006 | Jun 5, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #38050130736 | 5,600 |
| 620247 | Jun 5, 2006 | Jun 5, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #37950130712 | 5,600 |
| 620172 | Jun 5, 2006 | Jun 5, 2006 | Occidental Permian Ltd. | Yoakum | Wasson North Clearfork Unit #16350135367 | 8,900 |
| 620169 | Jun 5, 2006 | Jun 5, 2006 | Occidental Permian Ltd. | Yoakum | Wasson North Clearfork Unit #16450135366 | 8,900 |
| 619913 | Jun 1, 2006 | Jun 1, 2006 | Occidental Permian Ltd. | Ward | Sealy Smith Foundation #1011H47535112 | 11,200 |
| 619911 | Jun 1, 2006 | Jun 1, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #48750130831 | 5,600 |
| 619910 | Jun 1, 2006 | Jun 1, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #36850130697 | 5,600 |
| 619909 | Jun 1, 2006 | Jun 1, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #29950130177 | 5,600 |
| 619907 | Jun 1, 2006 | Jun 1, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #29850130163 | 5,600 |
| 619906 | Jun 1, 2006 | Jun 1, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #10050101210 | 5,600 |
| 619905 | Jun 1, 2006 | Jun 1, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #8450101227 | 5,600 |
| 619904 | Jun 1, 2006 | Jun 1, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #30150130182 | 5,600 |
| 619903 | Jun 1, 2006 | Jun 1, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #30050130183 | 5,600 |
| 619902 | Jun 1, 2006 | Jun 1, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #8650101791 | 5,600 |
| 619901 | Jun 1, 2006 | Jun 1, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #8550101792 | 5,600 |
| 619746 | May 31, 2006 | May 31, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #484150134121 | 5,600 |
| 619745 | May 31, 2006 | May 31, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #386750134354 | 5,600 |
| 619744 | May 31, 2006 | May 31, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #382350100604 | 5,600 |
| 619743 | May 31, 2006 | May 31, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #382250101722 | 5,600 |
| 619741 | May 31, 2006 | May 31, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #48450130542 | 5,600 |
| 619740 | May 31, 2006 | May 31, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #7350101668 | 5,600 |
| 619739 | May 31, 2006 | May 31, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #7250101670 | 5,600 |
| 619738 | May 31, 2006 | May 31, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #7150101669 | 5,600 |
| 619737 | May 31, 2006 | May 31, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #6350101671 | 5,600 |
| 619736 | May 31, 2006 | May 31, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #6250101672 | 5,600 |
| 619735 | May 31, 2006 | May 31, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #6150100329 | 5,600 |
| 619734 | May 31, 2006 | May 31, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #5050100318 | 5,600 |
| 619733 | May 31, 2006 | May 31, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #4950101667 | 5,600 |
| 619732 | May 31, 2006 | May 31, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #4850101663 | 5,600 |
| 619513 | May 24, 2006 | May 24, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #40450130647 | 5,600 |
| 619520 | May 23, 2006 | May 23, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #56050132433 | 5,600 |
| 619519 | May 23, 2006 | May 23, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #55950132425 | 5,600 |
| 619518 | May 23, 2006 | May 23, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #43150130664 | 5,600 |
| 619517 | May 23, 2006 | May 23, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #42250130666 | 5,600 |
| 619516 | May 23, 2006 | May 23, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #41350130684 | 5,600 |
| 619515 | May 23, 2006 | May 23, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #41250130683 | 5,600 |
| 619510 | May 23, 2006 | May 23, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #40350130694 | 5,600 |
| 619403 | May 23, 2006 | May 23, 2006 | Occidental Permian Ltd. | Ector | Cowden, Elliott F., -B- #10313539110 | 4,600 |
| 619452 | May 22, 2006 | May 22, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #385750134155 | 5,600 |
| 619450 | May 22, 2006 | May 22, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #385650134154 | 5,600 |
| 619449 | May 22, 2006 | May 22, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #385550134153 | 5,600 |
| 619447 | May 22, 2006 | May 22, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #385450134160 | 5,600 |
| 619401 | May 22, 2006 | May 22, 2006 | Occidental Permian Ltd. | Ector | Cowden, Elliott F., -A- #19813539109 | 4,600 |
| 619399 | May 22, 2006 | May 22, 2006 | Occidental Permian Ltd. | Ector | Cowden, Elliott F., -A- #19713539108 | 4,600 |
| 619396 | May 22, 2006 | May 22, 2006 | Occidental Permian Ltd. | Ector | Cowden, Elliott F., -A- #19613539107 | 4,600 |
| 619337 | May 19, 2006 | May 19, 2006 | Occidental Permian Ltd. | Yoakum | Bennett Ranch Unit #526350135362 | 5,500 |
| 619281 | May 19, 2006 | May 19, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #434650135361 | 5,600 |
| 619279 | May 19, 2006 | May 19, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #425250135360 | 5,600 |
| 619275 | May 19, 2006 | May 19, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #425150135359 | 5,600 |
| 619271 | May 19, 2006 | May 19, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #425050135358 | 5,600 |
| 619271Amendment | May 19, 2006 | May 19, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #425050135358 | 5,600 |
| 619269 | May 19, 2006 | May 19, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #224650135356 | 5,600 |
| 619267 | May 19, 2006 | May 19, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #224550135357 | 5,600 |
| 619143 | May 19, 2006 | May 19, 2006 | Occidental Permian Ltd. | Ector | Cowden, Elliott F., -B- #10213539106 | 4,600 |
| 619125 | May 19, 2006 | May 19, 2006 | Occidental Permian Ltd. | Ector | Foster, H. C. #713539105 | 4,600 |
| 619497 | May 18, 2006 | May 18, 2006 | Occidental Permian Ltd. | Hockley | Slaughter Consolidated #109H21936684 | 8,300 |
| 619373 | May 17, 2006 | May 17, 2006 | Occidental Permian Ltd. | Yoakum | Wasson Odc Unit #37750130646 | 5,600 |
| 619139 | May 17, 2006 | May 17, 2006 | Occidental Permian Ltd. | Ector | Foster, H. C. #813539103 | 4,600 |
| 619054 | May 17, 2006 | May 17, 2006 | Occidental Permian Ltd. | Yoakum | Wasson North Clearfork Unit #16550135351 | 8,900 |
| 619052 | May 17, 2006 | May 17, 2006 | Occidental Permian Ltd. | Yoakum | Wasson North Clearfork Unit #16650135350 | 8,900 |
| 618607 | May 17, 2006 | May 17, 2006 | Occidental Permian Ltd. | Yoakum | Denver Unit #266750135337 | 5,600 |