| 528308 | Feb 13, 2003 | Feb 13, 2003 | Lacy Operations, Ltd. | BP America (A-510) #1 | 12,100 | 24130695 |
| 525502 | Nov 20, 2002 | Nov 20, 2002 | Anadarko E&P Company LP | B. F. Jones Unit A-22 #1H | 12,500 | 24130694 |
| 525502Amendment | Nov 20, 2002 | Nov 20, 2002 | Anadarko E&P Company LP | B. F. Jones Unit A-22 #1H | 12,500 | 24130694 |
| 525502Amendment | Nov 20, 2002 | Nov 20, 2002 | Anadarko E&P Company LP | B. F. Jones Unit A-22 #1H | 13,500 | 24130694 |
| 525308 | Nov 13, 2002 | Nov 13, 2002 | Rme Petroleum Company | Arco Fee A-215 #1REH | 12,200 | 24130591 |
| 524070 | Oct 9, 2002 | Oct 9, 2002 | Jay Management Company, LLC | Castillo, Arco #2 | 8,112 | 24130112 |
| 523570 | Sep 10, 2002 | Sep 10, 2002 | Davis Bros. Oil Producers, Inc. | Kiamu-Johnson #1 | 9,400 | 24130693 |
| 523570Amendment | Sep 10, 2002 | Sep 10, 2002 | Davis Bros. Oil Producers, Inc. | Kiamu-Johnson (1-S) #1 | 10,200 | 24130693 |
| 523570Amendment | Sep 10, 2002 | Sep 10, 2002 | Davis Bros. Oil Producers, Inc. | Kiamu-Johnson (1-S) #1 | 10,088 | 24130693 |
| 523311 | Sep 5, 2002 | Sep 5, 2002 | Blue Ridge Group, Inc. | BP-Johnson #1 | 13,700 | 24130692 |
| 522645 | Aug 21, 2002 | Aug 21, 2002 | Jay Management Company, LLC | Hughes, Arco #1 | 7,976 | 24130375 |
| 522607 | Aug 8, 2002 | Aug 8, 2002 | Rme Petroleum Company | BP America Unit A-214 #1H | 12,500 | 24130691 |
| 520519 | May 31, 2002 | May 31, 2002 | Rme Petroleum Company | N. Hilton Unit A-350 #1REH | 13,200 | 24130673 |
| 519404 | Apr 24, 2002 | Apr 24, 2002 | Davis Bros. Oil Producers, Inc. | Vastar - Johnson #1 | 9,400 | 24130690 |
| 518276 | Mar 13, 2002 | Mar 13, 2002 | Rme Petroleum Company | Blackstone Minerals Unit A-979 #1H | 12,500 | 24130689 |
| 518276Amendment | Mar 13, 2002 | Mar 13, 2002 | Rme Petroleum Company | Blackstone Minerals Unit A-979 #1H | 13,000 | 24130689 |
| 518094 | Mar 6, 2002 | Mar 6, 2002 | Pmo | Adams, J. T. #6 | 7,260 | 24130009 |
| 516278 | Feb 19, 2002 | Feb 19, 2002 | Rme Petroleum Company | Martindale Unit A-15 #1H | 13,000 | 24130687 |
| 517541 | Feb 13, 2002 | Feb 13, 2002 | Wagner Oil Company | Cameron, William #1 | 13,550 | 24130688 |
| 516732 | Feb 4, 2002 | Feb 4, 2002 | Jay Management Company, LLC | Castillo, Arco #3 | 8,112 | 24130120 |
| 516150 | Dec 18, 2001 | Dec 18, 2001 | Rme Petroleum Company | Vastar Fee Unit A-913 #1H | 12,500 | 24130686 |
| 516150Amendment | Dec 18, 2001 | Dec 18, 2001 | Rme Petroleum Company | Vastar Fee Unit A-913 #1H | 12,500 | 24130686 |
| 514904 | Oct 31, 2001 | Oct 31, 2001 | Rme Petroleum Company | Vastar Fee Unit A-311 #1H | 12,500 | 24130685 |
| 514904Amendment | Oct 31, 2001 | Oct 31, 2001 | Rme Petroleum Company | Vastar Fee Unit A-311 #1H | 11,500 | 24130685 |
| 513623 | Sep 17, 2001 | Sep 17, 2001 | Rme Petroleum Company | Vastar Fee Unit A-109 #1H | 12,500 | 24130684 |
| 513623Amendment | Sep 17, 2001 | Sep 17, 2001 | Rme Petroleum Company | Vastar Fee Unit A-109 #1H | 12,500 | 24130684 |
| 513623Amendment | Sep 17, 2001 | Sep 17, 2001 | Rme Petroleum Company | Vastar Fee Unit A-109 #1H | 12,500 | 24130684 |
| 508826 | May 10, 2001 | May 10, 2001 | Smith Production Inc. | Arco Fee Section 83 #2 | 11,200 | 24130683 |
| 508825 | May 10, 2001 | May 10, 2001 | Smith Production Inc. | Arco Fee Diamond Gas Unit #3 | 11,200 | 24130682 |
| 506671 | Mar 22, 2001 | Mar 22, 2001 | Rme Petroleum Company | Vastar Fee Unit A-15 #1H | 12,500 | 24130681 |
| 506487 | Mar 19, 2001 | Mar 19, 2001 | Rme Petroleum Company | Black Stone Minerals Unit A-977 #1H | 13,000 | 24130680 |
| 503408 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Vastar Fee Unit A-121 #1H | 15,500 | 24130679 |
| 501884 | Nov 13, 2000 | Nov 13, 2000 | Coastal Oil & Gas Corporation | Vastar - Temple Inland SWD #1 | 6,800 | 24130678 |
| 500733 | Oct 13, 2000 | Oct 13, 2000 | Union Pacific Resources Company | Vastar Fee Unit A-229 #1H | 15,500 | 24130677 |
| 500733Amendment | Oct 13, 2000 | Oct 13, 2000 | Rme Petroleum Company | Vastar Fee Unit A-229 #1H | 12,464 | 24130677 |
| 497473 | Jul 21, 2000 | Jul 21, 2000 | Tri-C Resources, Inc. | Cameron Heirs #1 | 13,500 | 24130676 |
| 497191 | Jul 13, 2000 | Jul 13, 2000 | Parkwood Production, Inc. | Henderson-Withers #2 | 7,500 | 24130675 |
| 496989 | Jul 10, 2000 | Jul 10, 2000 | Coastal Oil & Gas Corporation | Coastal Castillo #1D | 5,000 | 24130674 |
| 496989Amendment | Jul 10, 2000 | Jul 10, 2000 | Coastal Oil & Gas Corporation | Coastal Castillo #1D | 5,800 | 24130674 |
| 496146 | Jun 14, 2000 | Jun 14, 2000 | Union Pacific Resources Company | N. Hilton Unit A-350 #1H | 12,700 | 24130673 |
| 492800 | Apr 13, 2000 | Apr 13, 2000 | Union Pacific Resources Company | Angelina Unit A-19 #1H | 12,500 | 24130670 |
| 493064 | Mar 16, 2000 | Mar 16, 2000 | Burlington Resources Oil&gas Co. | Ukena, M. #1 | 13,000 | 24130672 |
| 492810 | Mar 7, 2000 | Mar 7, 2000 | Coastal Oil & Gas Corporation | Vastar-Gray #1 | 13,500 | 24130671 |
| 492348 | Feb 23, 2000 | Feb 23, 2000 | Coastal Oil & Gas Corporation | Vastar-Temple Inland #1 | 13,500 | 24130669 |
| 492348Amendment | Feb 23, 2000 | Feb 23, 2000 | Coastal Oil & Gas Corporation | Vastar-Temple Inland #1 | 13,500 | 24130669 |
| 491224 | Jan 27, 2000 | Jan 27, 2000 | Union Pacific Resources Company | Donner Brown Unit A-1006 #1H | 16,000 | 24130668 |
| 491224Amendment | Jan 27, 2000 | Jan 27, 2000 | Union Pacific Resources Company | Donner Brown Unit A-1006 #1H | 16,320 | 24130668 |
| 490935 | Jan 12, 2000 | Jan 12, 2000 | Hanson Production Company | Arco Hughes #1 | 7,976 | 24130375 |
| 490918 | Jan 11, 2000 | Jan 11, 2000 | Hanson Production Company | Arco Hughes #3 | 7,900 | 24130435 |
| 490265 | Dec 16, 1999 | Dec 16, 1999 | Samedan Oil Corporation | Lindsey #1 | 13,200 | 24130667 |
| 489935 | Dec 2, 1999 | Dec 2, 1999 | Union Pacific Resources Company | Vastar Fee Unit A-910 #1H | 19,039 | 24130666 |
| 489935Amendment | Dec 2, 1999 | Dec 2, 1999 | Union Pacific Resources Company | Vastar Fee Unit A-910 #1H | 11,858 | 24130666 |
| 489797 | Nov 23, 1999 | Nov 23, 1999 | Coastal Oil & Gas Corporation | Vastar Fee #1 | 21,500 | 24130665 |
| 489601 | Nov 17, 1999 | Nov 17, 1999 | Merit Energy Company | Fletcher-Richardson Unit #1 | 7,675 | 24100115 |
| 489601Amendment | Nov 17, 1999 | Nov 17, 1999 | Merit Energy Company | Fletcher-Richardson Unit #1 | 7,675 | 24100115 |
| 487367 | Sep 13, 1999 | Sep 13, 1999 | Union Pacific Resources Company | Temple-Inland Unit A-601 #1H | 15,000 | 24130664 |
| 487367Amendment | Sep 13, 1999 | Sep 13, 1999 | Union Pacific Resources Company | Temple-Inland Unit A-601 #1H | 17,561 | 24130664 |
| 486644 | Aug 27, 1999 | Aug 27, 1999 | Duncan Energy Company | P. C. Bernal Gas Unit #1 | 10,200 | 24130663 |
| 486644Amendment | Aug 27, 1999 | Aug 27, 1999 | Duncan Energy Company | P. C. Bernal Gas Unit #1 | 10,400 | 24130663 |
| 485272 | Jun 28, 1999 | Jun 28, 1999 | Hanson Production Company | Arco Hughes #1 | 7,976 | 24130375 |
| 484602 | Jun 2, 1999 | Jun 2, 1999 | Union Pacific Resources Company | Vastar Fee Unit A-251 #1H | 15,500 | 24130662 |
| 484647 | May 24, 1999 | May 24, 1999 | Whiting Petroleum Corporation | Arco Johnson Fee -A- #1 | 10,701 | 24130444 |
| 484272 | May 13, 1999 | May 13, 1999 | Union Pacific Resources Company | Black Stone Minerals Unit A-981 #1H | 11,500 | 24130661 |
| 484272Amendment | May 13, 1999 | May 13, 1999 | Union Pacific Resources Company | Black Stone Minerals Unit A-981 #1H | 16,820 | 24130661 |
| 484296 | May 5, 1999 | May 5, 1999 | Union Pacific Resources Company | S. Goode Unit A-151 #1H | 12,500 | 24130646 |
| 484235 | May 3, 1999 | May 3, 1999 | Union Pacific Resources Company | Vastar Fee Unit A-888 #1H | 11,500 | 24130660 |
| 484235Amendment | May 3, 1999 | May 3, 1999 | Union Pacific Resources Company | Vastar Fee Unit A-888 #1H | 12,058 | 24130660 |
| 484209 | Apr 30, 1999 | Apr 30, 1999 | Union Pacific Resources Company | Vastar Fee Unit A-215 #1H | 15,000 | 24130659 |
| 482597 | Feb 12, 1999 | Feb 12, 1999 | Union Pacific Resources Company | S. Cruse Unit A-10 #1H | 11,500 | 24130658 |
| 481889 | Jan 5, 1999 | Jan 5, 1999 | Transwestern Energy Corp. | Arco-Castillo #2 | 4,000 | 24130088 |
| 481554 | Dec 15, 1998 | Dec 15, 1998 | Stanford Petroleum Inc | Arco Fee "B" #1 | 10,510 | 24130139 |
| 481524 | Dec 15, 1998 | Dec 15, 1998 | Stanford Petroleum Inc | Arco Fee "B" #5 | 9,841 | 24130333 |
| 480687 | Nov 12, 1998 | Nov 12, 1998 | Union Pacific Resources Company | East Gilchrist a-153 Unit #1H | 15,500 | 24130656 |
| 480687Amendment | Nov 12, 1998 | Nov 12, 1998 | Union Pacific Resources Company | East Gilchrist a-153 Unit #1H | 15,500 | 24130656 |
| 480687Amendment | Nov 12, 1998 | Nov 12, 1998 | Union Pacific Resources Company | East Gilchrist a-153 Unit #1H | 15,500 | 24130656 |
| 480687Amendment | Nov 12, 1998 | Nov 12, 1998 | Union Pacific Resources Company | East Gilchrist a-153 Unit #1H | 15,500 | 24130656 |
| 480688 | Nov 9, 1998 | Nov 9, 1998 | Union Pacific Resources Company | Temple-Inland a-56 Unit #1H | 13,000 | 24130657 |
| 480053 | Oct 20, 1998 | Oct 20, 1998 | Union Pacific Resources Company | Donner-Brown Unit A-1007 #1H | 15,500 | 24130655 |
| 479760 | Oct 5, 1998 | Oct 5, 1998 | Union Pacific Resources Company | Vastar Fee a-234 Unit #1H | 12,000 | 24130654 |
| 477362 | Jun 29, 1998 | Jun 29, 1998 | Union Pacific Resources Company | Ellis Unit A-521 #1H | 18,500 | 24130653 |
| 477362Amendment | Jun 29, 1998 | Jun 29, 1998 | Union Pacific Resources Company | Ellis Unit A-521 #1H | 18,500 | 24130653 |
| 477362Amendment | Jun 29, 1998 | Jun 29, 1998 | Union Pacific Resources Company | Ellis Unit A-521 #1H | 12,065 | 24130653 |
| 477029 | Jun 10, 1998 | Jun 10, 1998 | Aviara Energy Corporation | Vastar Fee #1 | 11,600 | 24130642 |
| 476552 | May 22, 1998 | May 22, 1998 | Transwestern Energy Corp. | Arco Fee Sec 49 #1 | 7,850 | 24100236 |
| 476465 | May 20, 1998 | May 20, 1998 | Pmo | Olson #1 | 3,750 | 24100046 |
| 475963 | May 15, 1998 | May 15, 1998 | Hanson Production Company | Arco Hughes #1 | 7,976 | 24130375 |
| 474456 | Apr 29, 1998 | Apr 29, 1998 | Shale Oil Co., Inc. | Henderson-Withers #1 | 7,016 | 24130133 |
| 475307 | Apr 14, 1998 | Apr 14, 1998 | Houston Hydrocarbons, Inc. (A) | Crockett, Mae #1 | 9,000 | 24130489 |
| 473889 | Mar 2, 1998 | Mar 2, 1998 | Union Pacific Resources Company | Lewis Unit A-340 #1H | 12,500 | 24130651 |
| 473889Amendment | Mar 2, 1998 | Mar 2, 1998 | Union Pacific Resources Company | Lewis Unit A-340 #1H | 12,500 | 24130651 |
| 473889Amendment | Mar 2, 1998 | Mar 2, 1998 | Union Pacific Resources Company | Lewis Unit A-340 #1H | 12,472 | 24130651 |
| 473884 | Mar 2, 1998 | Mar 2, 1998 | Union Pacific Resources Company | Crew Unit A-342 #1H | 12,500 | 24130652 |
| 472658 | Jan 28, 1998 | Jan 28, 1998 | Union Pacific Resources Company | Saul Unit A-33 #1H | 12,500 | 24130650 |
| 472658Amendment | Jan 28, 1998 | Jan 28, 1998 | Union Pacific Resources Company | Saul Unit A-33 #1H | 12,500 | 24130650 |
| 472546 | Jan 22, 1998 | Jan 22, 1998 | Union Pacific Resources Company | Angelina Upr Unit A-19 #1H | 12,500 | 24130670 |
| 472155 | Jan 14, 1998 | Jan 14, 1998 | Bargo Energy Company | Mixson #1D | 5,700 | 24130648 |
| 471004 | Dec 9, 1997 | Dec 9, 1997 | Union Pacific Resources Company | Cooper Unit A-110 #1H | 13,000 | 24130647 |
| 471004Amendment | Dec 9, 1997 | Dec 9, 1997 | Union Pacific Resources Company | Cooper Unit A-110 #1H | 13,000 | 24130647 |
| 469151 | Oct 23, 1997 | Oct 23, 1997 | Union Pacific Resources Company | Goode, S. A-151 #1H | 12,500 | 24130646 |
| 469151Amendment | Oct 23, 1997 | Oct 23, 1997 | Union Pacific Resources Company | Goode, S. A-151 #1H | 12,724 | 24130646 |