| 478549 | Aug 6, 1998 | Aug 6, 1998 | Sonat Exploration Co. - Midland | Crockett | Mitchell #22HH | 13,148 | 10537117 |
| 477237 | Jun 17, 1998 | Jun 17, 1998 | Sonat Exploration Co. - Midland | Crockett | Riggs "5" #3 | 9,700 | 10538089 |
| 475572 | Jun 16, 1998 | Jun 16, 1998 | Sonat Exploration Co. - Midland | Crockett | Riggs "21" #2 | 10,000 | 10537593 |
| 475572Amendment | Jun 16, 1998 | Jun 16, 1998 | Sonat Exploration Co. - Midland | Crockett | Riggs "21" #2 | 10,000 | 10537593 |
| 475435 | Apr 17, 1998 | Apr 17, 1998 | Sonat Exploration Co. - Midland | Pecos | Trees Estate "12" #1 | 8,200 | 37136829 |
| 475434 | Apr 17, 1998 | Apr 17, 1998 | Sonat Exploration Co. - Midland | Crockett | Hoover, Miller "A" #606 | 10,000 | 10538126 |
| 474260 | Mar 17, 1998 | Mar 17, 1998 | Sonat Exploration Co. - Midland | Crockett | Baggett 2L #1 | 9,700 | 10538099 |
| 474259 | Mar 17, 1998 | Mar 17, 1998 | Sonat Exploration Co. - Midland | Sutton | Thorpe 19 #1 | 9,300 | 43534817 |
| 474258 | Mar 13, 1998 | Mar 13, 1998 | Sonat Exploration Co. - Midland | Crockett | Baggett 1L #5 | 9,600 | 10538100 |
| 474073 | Mar 5, 1998 | Mar 5, 1998 | Sonat Exploration Co. - Midland | Crockett | Riggs 5 #3 | 9,700 | 10538089 |
| 474072 | Mar 5, 1998 | Mar 5, 1998 | Sonat Exploration Co. - Midland | Pecos | Altura State "6" #1 | 12,500 | 37136824 |
| 474072Amendment | Mar 5, 1998 | Mar 5, 1998 | Sonat Exploration Co. - Midland | Pecos | Altura State "6" #1 | 12,500 | 37136824 |
| 474071 | Mar 5, 1998 | Mar 5, 1998 | Sonat Exploration Co. - Midland | Crockett | Baggett 28 #6 | 9,600 | 10538090 |
| 472996 | Feb 5, 1998 | Feb 5, 1998 | Sonat Exploration Co. - Midland | Crockett | Baggett "C" #9 | 10,000 | 10538022 |
| 472995 | Feb 5, 1998 | Feb 5, 1998 | Sonat Exploration Co. - Midland | Crockett | Baggett "2" #7 | 10,000 | 10538021 |
| 472995Amendment | Feb 5, 1998 | Feb 5, 1998 | Sonat Exploration Co. - Midland | Crockett | Baggett "2" #7 | 10,000 | 10538021 |
| 472523 | Jan 22, 1998 | Jan 22, 1998 | Sonat Exploration Co. - Midland | Crockett | Baggett "C" #8 | 10,000 | 10538011 |
| 472305 | Jan 16, 1998 | Jan 16, 1998 | Sonat Exploration Co. - Midland | Crockett | Mitchell 10 #1 | 11,900 | 10537999 |
| 470958 | Dec 15, 1997 | Dec 15, 1997 | Sonat Exploration Co. - Midland | Crockett | Riggs "21" #6 | 10,000 | 10537968 |
| 470959 | Dec 12, 1997 | Dec 12, 1997 | Sonat Exploration Co. - Midland | Crockett | Riggs "5" #2 | 10,000 | 10537969 |
| 470828 | Dec 9, 1997 | Dec 9, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett "1L" #4 | 10,000 | 10537964 |
| 470827 | Dec 9, 1997 | Dec 9, 1997 | Sonat Exploration Co. - Midland | Crockett | Daniel, Mayme "110" #1 | 11,700 | 10537965 |
| 470827Amendment | Dec 9, 1997 | Dec 9, 1997 | Sonat Exploration Co. - Midland | Crockett | Daniel, Mayme "110" #1 | 11,700 | 10537965 |
| 468789 | Oct 17, 1997 | Oct 17, 1997 | Sonat Exploration Co. - Midland | Sutton | Phillips "40" #1 | 10,200 | 43534757 |
| 468789Amendment | Oct 17, 1997 | Oct 17, 1997 | Sonat Exploration Co. - Midland | Sutton | Phillips "40" #1 | 10,200 | 43534757 |
| 468394 | Oct 6, 1997 | Oct 6, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett "2" #6 | 10,000 | 10537901 |
| 468216 | Sep 30, 1997 | Sep 30, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett 1L #3 | 10,000 | 10537900 |
| 467755 | Sep 23, 1997 | Sep 23, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett "1L" #2 | 10,000 | 10537889 |
| 467755Amendment | Sep 23, 1997 | Sep 23, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett "1L" #2 | 10,000 | 10537889 |
| 467544 | Sep 12, 1997 | Sep 12, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett, E. G. "28" #5 | 10,000 | 10537880 |
| 466917 | Aug 29, 1997 | Aug 29, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett 2 #5 | 10,000 | 10537854 |
| 466783 | Aug 26, 1997 | Aug 26, 1997 | Sonat Exploration Co. - Midland | Dawson | Butler "7" #1 | 4,550 | 11532983 |
| 466608 | Aug 21, 1997 | Aug 21, 1997 | Sonat Exploration Co. - Midland | Crockett | Black, Hallie "4" #1 | 11,500 | 10537842 |
| 466155 | Aug 12, 1997 | Aug 12, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett "A" #8 | 10,000 | 10537823 |
| 465471 | Jul 25, 1997 | Jul 25, 1997 | Sonat Exploration Co. - Midland | Crockett | Riggs "21" #1H | 9,300 | 10536443 |
| 464824 | Jul 15, 1997 | Jul 15, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett, E. G. "28" #4 | 10,000 | 10537777 |
| 464237 | Jun 26, 1997 | Jun 26, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett "1L" #1 | 10,000 | 10537762 |
| 463800 | Jun 20, 1997 | Jun 20, 1997 | Sonat Exploration Co. - Midland | Crockett | Riggs, Jack "30" #3 | 10,000 | 10537734 |
| 463045 | Jun 18, 1997 | Jun 18, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett "2" #3 | 10,000 | 10537717 |
| 463799 | Jun 17, 1997 | Jun 17, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett 3 #3 | 10,000 | 10537735 |
| 463798 | Jun 17, 1997 | Jun 17, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett 3 #2 | 10,000 | 10537736 |
| 462788 | May 30, 1997 | May 30, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett "2" #4 | 10,000 | 10537711 |
| 462788Amendment | May 30, 1997 | May 30, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett "2" #4 | 10,000 | 10537711 |
| 462686 | May 22, 1997 | May 22, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett, E. G. #2505 | 10,000 | 10537708 |
| 462419 | May 15, 1997 | May 15, 1997 | Sonat Exploration Co. - Midland | Crockett | E. G. Baggett "28" #3 | 10,000 | 10537704 |
| 462382 | May 14, 1997 | May 14, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett "C" #7 | 10,000 | 10537701 |
| 461302 | Apr 22, 1997 | Apr 22, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett, E. G. "28" #1 | 10,000 | 10537664 |
| 461301 | Apr 22, 1997 | Apr 22, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett "C" #6 | 10,000 | 10537663 |
| 460907 | Apr 10, 1997 | Apr 10, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett "2" #2 | 10,000 | 10537653 |
| 460764 | Apr 10, 1997 | Apr 10, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett "2" #1 | 10,000 | 10537651 |
| 460606 | Apr 4, 1997 | Apr 4, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett, E.G. "28" #2 | 10,000 | 10537640 |
| 459449 | Mar 17, 1997 | Mar 17, 1997 | Sonat Exploration Co. - Midland | Crockett | Riggs "21" #3 | 10,000 | 10537594 |
| 459450 | Mar 14, 1997 | Mar 14, 1997 | Sonat Exploration Co. - Midland | Crockett | Riggs "21" #5 | 10,000 | 10537595 |
| 459399 | Mar 7, 1997 | Mar 7, 1997 | Sonat Exploration Co. - Midland | Crockett | Riggs "21" #2 | 10,000 | 10537593 |
| 459399Amendment | Mar 7, 1997 | Mar 7, 1997 | Sonat Exploration Co. - Midland | Crockett | Riggs "21" #2 | 10,000 | 10537593 |
| 458637 | Feb 14, 1997 | Feb 14, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett "C" #6 | 10,000 | 10537584 |
| 458636 | Feb 14, 1997 | Feb 14, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett "C" #8 | 10,000 | 10537583 |
| 458410 | Feb 13, 1997 | Feb 13, 1997 | Sonat Exploration Co. - Midland | Crockett | University "30" #1701 | 10,000 | 10537572 |
| 458411 | Feb 11, 1997 | Feb 11, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett #103 | 10,000 | 10537571 |
| 457554 | Jan 21, 1997 | Jan 21, 1997 | Sonat Exploration Co. - Midland | Crockett | Riggs #501 | 10,000 | 10537547 |
| 456706 | Jan 16, 1997 | Jan 16, 1997 | Sonat Exploration Co. - Midland | Crockett | Baggett, E. G. #2405 | 9,500 | 10537174 |
| 456027 | Jan 6, 1997 | Jan 6, 1997 | Sonat Exploration Co. - Midland | Crockett | Riggs "21" #2104 | 10,000 | 10537491 |
| 456026 | Dec 10, 1996 | Dec 10, 1996 | Sonat Exploration Co. - Midland | Crockett | Riggs, Jack #3002 | 10,000 | 10537487 |
| 456026Amendment | Dec 10, 1996 | Dec 10, 1996 | Sonat Exploration Co. - Midland | Crockett | Riggs, Jack #3002 | 10,000 | 10537487 |
| 456025 | Dec 10, 1996 | Dec 10, 1996 | Sonat Exploration Co. - Midland | Crockett | Baggett "C" #5 | 10,000 | 10537489 |
| 456024 | Dec 10, 1996 | Dec 10, 1996 | Sonat Exploration Co. - Midland | Crockett | Signal Baggett #2902 | 10,000 | 10537488 |
| 455583 | Nov 27, 1996 | Nov 27, 1996 | Sonat Exploration Co. - Midland | Andrews | Mobil Fee "18" #1 | 8,000 | 00338084 |
| 454377 | Nov 27, 1996 | Nov 27, 1996 | Sonat Exploration Co. - Midland | Crockett | Baggett "A" #7 | 10,000 | 10537440 |
| 454366 | Oct 28, 1996 | Oct 28, 1996 | Sonat Exploration Co. - Midland | Crockett | Baggett, E. G. #2504 | 10,000 | 10537439 |
| 451693 | Aug 23, 1996 | Aug 23, 1996 | Sonat Exploration Co. - Midland | Crockett | Baggett, E.G. #2502 | 9,500 | 10537034 |
| 450214 | Jul 15, 1996 | Jul 15, 1996 | Sonat Exploration Co. - Midland | Andrews | Ralph #5 | 10,000 | 00337910 |
| 441492 | Jun 18, 1996 | Jun 18, 1996 | Sonat Exploration Co. - Midland | Reeves | Toyah Section 23 Unit #2 | 11,680 | 38900560 |
| 448049 | May 16, 1996 | May 16, 1996 | Sonat Exploration Co. - Midland | Reeves | Toyah B #2 | 9,496 | 38931433 |
| 446160 | Mar 22, 1996 | Mar 22, 1996 | Sonat Exploration Co. - Midland | Crockett | Miller Hoover B Unit #406 | 6,954 | 10536283 |
| 443872 | Feb 28, 1996 | Feb 28, 1996 | Sonat Exploration Co. - Midland | Crockett | Baggett, E. G. #2405 | 9,500 | 10537174 |
| 443823 | Jan 25, 1996 | Jan 25, 1996 | Sonat Exploration Co. - Midland | Crockett | Baggett, E. G. #2404 | 9,500 | 10537177 |
| 443819 | Jan 18, 1996 | Jan 18, 1996 | Sonat Exploration Co. - Midland | Andrews | Ralph #4 | 10,500 | 00337793 |
| 442904 | Jan 8, 1996 | Jan 8, 1996 | Sonat Exploration Co. - Midland | Crockett | Baggett "B" #3 | 9,500 | 10537141 |
| 443235 | Jan 2, 1996 | Jan 2, 1996 | Sonat Exploration Co. - Midland | Crockett | Miller Hoover a Unit #306 | 9,975 | 10536274 |
| 443231 | Jan 2, 1996 | Jan 2, 1996 | Sonat Exploration Co. - Midland | Crockett | Montgomery A #210 | 6,736 | 10536736 |
| 443336 | Dec 29, 1995 | Dec 29, 1995 | Sonat Exploration Co. - Midland | Crockett | Baggett "B" #4 | 10,000 | 10537157 |
| 443268 | Dec 27, 1995 | Dec 27, 1995 | Sonat Exploration Co. - Midland | Crockett | Baggett, E. G. #2503 | 10,000 | 10537146 |
| 442903 | Dec 18, 1995 | Dec 18, 1995 | Sonat Exploration Co. - Midland | Crockett | Hudspeth #301 | 9,500 | 10537140 |
| 442516 | Dec 5, 1995 | Dec 5, 1995 | Sonat Exploration Co. - Midland | Crockett | Hoover, Laura Estate "3B" #5 | 8,000 | 10537115 |
| 440862 | Nov 21, 1995 | Nov 21, 1995 | Sonat Exploration Co. - Midland | Crockett | Johnson #503 | 10,000 | 10537069 |
| 441997 | Nov 16, 1995 | Nov 16, 1995 | Sonat Exploration Co. - Midland | Crockett | Miller Hoover "a" Unit #506 | 7,500 | 10537099 |
| 441664 | Nov 7, 1995 | Nov 7, 1995 | Sonat Exploration Co. - Midland | Crockett | Baggett "A" #6 | 10,000 | 10537079 |
| 440921 | Oct 31, 1995 | Oct 31, 1995 | Sonat Exploration Co. - Midland | Crockett | Miller Hoover "a" Unit #406 | 4,025 | 10536788 |
| 439759 | Sep 19, 1995 | Sep 19, 1995 | Sonat Exploration Co. - Midland | Crockett | Hoover, W. P. Sec. 14, Blk. NN #1 | 3,920 | 10534341 |
| 439847 | Sep 13, 1995 | Sep 13, 1995 | Sonat Exploration Co. - Midland | Crockett | Baggett "C" #4 | 10,000 | 10537040 |
| 439447 | Aug 30, 1995 | Aug 30, 1995 | Sonat Exploration Co. - Midland | Crockett | Baggett, E. G. 25 #2 | 10,000 | 10537034 |
| 439330 | Aug 25, 1995 | Aug 25, 1995 | Sonat Exploration Co. - Midland | Crockett | Hoover, W. P. - Sec. 13. Blk. 1 #1A | 8,000 | 10532723 |
| 439329 | Aug 25, 1995 | Aug 25, 1995 | Sonat Exploration Co. - Midland | Crockett | Hoover, Armond 17 #1 | 7,700 | 10532405 |
| 439328 | Aug 25, 1995 | Aug 25, 1995 | Sonat Exploration Co. - Midland | Crockett | Hoover Estate "3A" #1A | 8,000 | 10533488 |
| 439333 | Aug 20, 1995 | Aug 20, 1995 | Sonat Exploration Co. - Midland | Crockett | Dunlap, Ray Mrs. - Sec. 92 #2092 | 8,000 | 10532679 |
| 438960 | Aug 15, 1995 | Aug 15, 1995 | Sonat Exploration Co. - Midland | Crockett | Laura Hoover Estate "3B" #4 | 8,000 | 10537019 |
| 438845 | Aug 11, 1995 | Aug 11, 1995 | Sonat Exploration Co. - Midland | Andrews | Ralph #3 | 8,000 | 00337700 |
| 438845Amendment | Aug 11, 1995 | Aug 11, 1995 | Sonat Exploration Co. - Midland | Andrews | Ralph #3 | 9,000 | 00337700 |
| 438844 | Aug 11, 1995 | Aug 11, 1995 | Sonat Exploration Co. - Midland | Andrews | Mobil Fee #1902 | 8,000 | 00337699 |
| 438843 | Aug 11, 1995 | Aug 11, 1995 | Sonat Exploration Co. - Midland | Crockett | Hoover, Laura Estate "3B" #3 | 8,000 | 10537017 |