| 604076 | Aug 22, 2005 | Aug 22, 2005 | WCS Oil & Gas Corporation | Harrell #1REH | 11,000 | 28731568 |
| 604614 | Aug 17, 2005 | Aug 17, 2005 | Leexus Oil & Gas L.L.P. | Kruemcke Herklotz #3 | 6,000 | 28732531 |
| 604818 | Aug 12, 2005 | Aug 12, 2005 | Anadarko E&P Company LP | Charles Schultz Unit #3REH | 8,500 | 28732288 |
| 602360 | Jul 29, 2005 | Jul 29, 2005 | U. S. Operating, Inc. | Jensen #9REH | 8,600 | 28731788 |
| 603580 | Jul 19, 2005 | Jul 19, 2005 | U. S. Operating, Inc. | Susan Marie #1RE | 8,149 | 28731200 |
| 602146 | Jul 14, 2005 | Jul 14, 2005 | U. S. Operating, Inc. | Tracy #2 | 9,100 | 28731847 |
| 600355 | Jul 7, 2005 | Jul 7, 2005 | Leexus Oil & Gas L.L.P. | Mary Zona Unit RE #1H | 8,400 | 28730690 |
| 600355Amendment | Jul 7, 2005 | Jul 7, 2005 | Leexus Oil & Gas L.L.P. | Mary Zona Unit #1H | 9,500 | 28730690 |
| 602395 | Jun 22, 2005 | Jun 22, 2005 | Anadarko Austin Chalk Company | York A #2REH | 8,500 | 28732355 |
| 601371 | May 27, 2005 | May 27, 2005 | Anadarko Austin Chalk Company | York Unit #1REH | 8,000 | 28732333 |
| 560253 | May 19, 2005 | May 19, 2005 | U. S. Operating, Inc. | Gerdes-Best #1REH | 9,500 | 28731469 |
| 557461 | Mar 8, 2005 | Mar 8, 2005 | Browning Oil Company, Inc. | Carmella #1REH | 8,000 | 28731322 |
| 558293 | Feb 28, 2005 | Feb 28, 2005 | Leexus Oil & Gas L.L.P. | Herklotz-Kruemcke #2 | 6,000 | 28732529 |
| 557791 | Feb 28, 2005 | Feb 28, 2005 | Browning Oil Company, Inc. | Ruth Anne #1REH | 8,000 | 28730407 |
| 556944 | Feb 23, 2005 | Feb 23, 2005 | Anadarko E&P Company LP | T. Stranger Unit #4H | 9,500 | 28730509 |
| 556944Amendment | Feb 23, 2005 | Feb 23, 2005 | Anadarko E&P Company LP | T. Stranger Unit #4H | 9,500 | 28730509 |
| 556432 | Feb 14, 2005 | Feb 14, 2005 | U. S. Operating, Inc. | Selma #1REH | 8,650 | 28730597 |
| 556059 | Feb 7, 2005 | Feb 7, 2005 | Anadarko E&P Company LP | Bredthauer, Gerdes #1REH | 10,300 | 28731055 |
| 557251 | Feb 4, 2005 | Feb 4, 2005 | U. S. Operating, Inc. | Gladys #1REH | 8,857 | 28730478 |
| 555427 | Jan 25, 2005 | Jan 25, 2005 | U. S. Operating, Inc. | Evelyn #2REH | 8,500 | 28731216 |
| 555428 | Jan 24, 2005 | Jan 24, 2005 | U. S. Operating, Inc. | Davis, Mollie C. #2REH | 8,350 | 28731213 |
| 551293 | Jan 7, 2005 | Jan 7, 2005 | WCS Oil and Gas Corporation | J.E.T. #2REH | 10,000 | 28730714 |
| 551293Amendment | Jan 7, 2005 | Jan 7, 2005 | WCS Oil & Gas Corporation | J.E.T. #2REH | 9,100 | 28730714 |
| 554807 | Jan 6, 2005 | Jan 6, 2005 | Anadarko E&P Company LP | Donna W Unit 1-H #3REH | 10,000 | 28730967 |
| 555429 | Dec 29, 2004 | Dec 29, 2004 | U. S. Operating, Inc. | Delta Dawn #1REH | 8,150 | 28731292 |
| 555429Amendment | Dec 29, 2004 | Dec 29, 2004 | U. S. Operating, Inc. | Delta Dawn #1 | 6,600 | 28731292 |
| 555161 | Dec 21, 2004 | Dec 21, 2004 | Houston Petroleum Company | Huettel-Brown #3 | 6,500 | 28732527 |
| 555142 | Dec 21, 2004 | Dec 21, 2004 | Leexus Oil & Gas L.L.P. | Lonie Mae #1-H RE #1H | 14,000 | 28730754 |
| 555061 | Dec 20, 2004 | Dec 20, 2004 | U. S. Operating, Inc. | Dirk #2REH | 8,300 | 28731476 |
| 554806 | Dec 14, 2004 | Dec 14, 2004 | U. S. Operating, Inc. | Charlotte #2REH | 7,900 | 28731554 |
| 554657 | Dec 10, 2004 | Dec 10, 2004 | Anadarko E&P Company LP | Penelope Unit #1REH | 9,500 | 28730511 |
| 554657Amendment | Dec 10, 2004 | Dec 10, 2004 | Anadarko E&P Company LP | Penelope Unit #1REH | 9,500 | 28730511 |
| 553540 | Nov 12, 2004 | Nov 12, 2004 | Anadarko Austin Chalk Company | Jensen B #1REH | 9,000 | 28730701 |
| 553540Amendment | Nov 12, 2004 | Nov 12, 2004 | Anadarko Austin Chalk Company | Jensen B #1REH | 9,000 | 28730701 |
| 552875 | Oct 27, 2004 | Oct 27, 2004 | Anadarko E&P Company LP | Never Lee Unit #2REH | 12,300 | 28730874 |
| 552875Amendment | Oct 27, 2004 | Oct 27, 2004 | Browning Oil Company, Inc. | Never Lee Unit #2REH | 9,485 | 28730874 |
| 550881 | Oct 8, 2004 | Oct 8, 2004 | U. S. Operating, Inc. | Peterson, Nancy #2REH | 8,350 | 28731242 |
| 549233 | Sep 23, 2004 | Sep 23, 2004 | Anadarko Austin Chalk Company | E. E. Simpson #1REH | 8,500 | 28731126 |
| 549233Amendment | Sep 23, 2004 | Sep 23, 2004 | Anadarko Austin Chalk Company | Simpson, E. E. #1REH | 8,500 | 28731126 |
| 550106 | Sep 21, 2004 | Sep 21, 2004 | WCS Oil and Gas Corporation | Humphrey-Benson Unit #4REH | 10,000 | 28730739 |
| 550106Amendment | Sep 21, 2004 | Sep 21, 2004 | WCS Oil and Gas Corporation | Humphrey-Benson #4REH | 10,000 | 28730739 |
| 550105 | Sep 21, 2004 | Sep 21, 2004 | WCS Oil and Gas Corporation | Gantt Unit #1AH | 10,000 | 28731835 |
| 550105Amendment | Sep 21, 2004 | Sep 21, 2004 | WCS Oil and Gas Corporation | Gantt Unit #1 AH | 10,000 | 28731835 |
| 549336 | Sep 13, 2004 | Sep 13, 2004 | WCS Oil and Gas Corporation | Myers Unit #1REH | 8,000 | 28730529 |
| 549336Amendment | Sep 13, 2004 | Sep 13, 2004 | WCS Oil & Gas Corporation | Myers Unit #1REH | 8,000 | 28730529 |
| 550124 | Aug 27, 2004 | Aug 27, 2004 | Anadarko Austin Chalk Company | Curtis Leitko #2H | 9,400 | 28730382 |
| 550124Amendment | Aug 27, 2004 | Aug 27, 2004 | Anadarko Austin Chalk Company | Leitko, Curtis #2H | 9,400 | 28730382 |
| 549064 | Aug 26, 2004 | Aug 26, 2004 | U. S. Operating, Inc. | Jensen #1REH | 8,500 | 28730688 |
| 549665 | Aug 24, 2004 | Aug 24, 2004 | U. S. Operating, Inc. | Patricia #2REH | 8,800 | 28730655 |
| 549719 | Aug 18, 2004 | Aug 18, 2004 | U. S. Operating, Inc. | May #1REH | 8,500 | 28730534 |
| 548196 | Aug 9, 2004 | Aug 9, 2004 | U. S. Operating, Inc. | Virginia #1REH | 8,400 | 28730718 |
| 547243 | Jul 21, 2004 | Jul 21, 2004 | U. S. Operating, Inc. | Mary Helen #4REH | 8,700 | 28732170 |
| 548201 | Jul 14, 2004 | Jul 14, 2004 | Leexus Oil & Gas L.L.P. | Herklotz-Kruemcke #1 | 9,794 | 28732526 |
| 548201Amendment | Jul 14, 2004 | Jul 14, 2004 | Leexus Oil & Gas L.L.P. | Herklotz-Kruemcke #1 | 6,000 | 28732526 |
| 548201Amendment | Jul 14, 2004 | Jul 14, 2004 | Leexus Oil & Gas L.L.P. | Herklotz-Kruemcke #1 | 9,794 | 28732526 |
| 546885 | Jul 14, 2004 | Jul 14, 2004 | U. S. Operating, Inc. | Mary Helen #3REH | 8,700 | 28731091 |
| 547553 | Jul 12, 2004 | Jul 12, 2004 | U. S. Operating, Inc. | Jennifer #1REH | 8,900 | 28730658 |
| 547940 | Jul 8, 2004 | Jul 8, 2004 | U. S. Operating, Inc. | Brenda #2REH | 8,200 | 28731215 |
| 547840 | Jul 6, 2004 | Jul 6, 2004 | U. S. Operating, Inc. | Mabel #3REH | 8,300 | 28730851 |
| 547840Amendment | Jul 6, 2004 | Jul 6, 2004 | U. S. Operating, Inc. | Mabel #3REH | 8,500 | 28730851 |
| 546723 | Jun 17, 2004 | Jun 17, 2004 | U. S. Operating, Inc. | Cora #2REH | 9,200 | 28730735 |
| 546899 | Jun 16, 2004 | Jun 16, 2004 | Gasper Rice Resources, Ltd. | Theriot #2 | 4,000 | 28732525 |
| 546635 | Jun 14, 2004 | Jun 14, 2004 | U. S. Operating, Inc. | Tish #1REH | 8,978 | 28730837 |
| 545480 | May 27, 2004 | May 27, 2004 | U. S. Operating, Inc. | Jan #2REH | 8,300 | 28730410 |
| 543880 | May 20, 2004 | May 20, 2004 | Anadarko E&P Company LP | Eva Mae Unit #4H | 11,000 | 28731280 |
| 543880Amendment | May 20, 2004 | May 20, 2004 | Anadarko E&P Company LP | Eva Mae Unit #4H | 11,000 | 28731280 |
| 542462 | May 20, 2004 | May 20, 2004 | Atkinson Energy Corporation | Droemer et al, Townsite #1HH | 8,500 | 28730361 |
| 543704 | Mar 26, 2004 | Mar 26, 2004 | Penntex Petroleum Corporation | 4 Fords #1 | 5,000 | 28732524 |
| 543258 | Mar 16, 2004 | Mar 16, 2004 | Anadarko E&P Company LP | Myrtle Collins #1H | 9,720 | 28730797 |
| 542603Amendment | Mar 1, 2004 | Mar 1, 2004 | Holifield Oil Company | Edgmon-Cameron Unit No. 2 #12 HH | 8,350 | 28732523 |
| 542603 | Feb 29, 2004 | Feb 29, 2004 | Holifield Oil Company | Edgmon-Cameron Unit No. 2 #12HH | 8,350 | 28732523 |
| 539594 | Jan 8, 2004 | Jan 8, 2004 | Anadarko Austin Chalk Company | T. Stranger Unit #3H | 11,700 | 28731299 |
| 539594Amendment | Jan 8, 2004 | Jan 8, 2004 | Anadarko Austin Chalk Company | T. Stranger Unit #3H | 8,700 | 28731299 |
| 538836 | Dec 11, 2003 | Dec 11, 2003 | U. S. Operating, Inc. | Spacek #1REH | 9,300 | 28731369 |
| 538927 | Nov 24, 2003 | Nov 24, 2003 | Anadarko E&P Company LP | Bredthauer No. 2-H Unit #3H | 12,000 | 28732522 |
| 537933 | Nov 3, 2003 | Nov 3, 2003 | Great West Energy & Expl., Inc. | Ramirez-Nails Creek #1HH | 8,338 | 28731034 |
| 537848 | Oct 23, 2003 | Oct 23, 2003 | WCS Oil and Gas Corporation | Wolz #2REH | 9,000 | 28730487 |
| 537082 | Oct 14, 2003 | Oct 14, 2003 | U. S. Operating, Inc. | Loewe #1 | 8,528 | 28730294 |
| 536224 | Sep 11, 2003 | Sep 11, 2003 | Seay Oil & Gas, Ltd. | Kurio, A E #1 | 5,900 | 28732521 |
| 535787 | Aug 26, 2003 | Aug 26, 2003 | Penntex Petroleum Corporation | Wiederhold Unit #1 | 5,000 | 28732520 |
| 535702 | Aug 25, 2003 | Aug 25, 2003 | Penntex Petroleum Corporation | Joyce #1 | 5,000 | 28732518 |
| 535700 | Aug 25, 2003 | Aug 25, 2003 | Penntex Petroleum Corporation | Valigura Unit #1 | 5,000 | 28732519 |
| 534335 | Jul 23, 2003 | Jul 23, 2003 | U. S. Operating, Inc. | Rose #2 | 7,855 | 28732213 |
| 534281 | Jul 22, 2003 | Jul 22, 2003 | Holifield Oil Company | Jackie Beeson Unit Hre #2H | 9,400 | 28731571 |
| 534281Amendment | Jul 22, 2003 | Jul 22, 2003 | Holifield Oil Company | Jackie Beeson Unit Hre #2H | 9,400 | 28731571 |
| 534304 | Jul 17, 2003 | Jul 17, 2003 | WCS Oil and Gas Corporation | Maluschka #1REH | 9,000 | 28730980 |
| 534242 | Jul 16, 2003 | Jul 16, 2003 | Holifield Oil Company | Branch-Smith Unit No. 1 #7HH | 9,234 | 28732418 |
| 532846 | Jul 7, 2003 | Jul 7, 2003 | Anadarko E&P Company LP | Donna "W" Unit No. 1-H #2H | 11,000 | 28731043 |
| 533494 | Jul 1, 2003 | Jul 1, 2003 | Gasper Rice Resources, Ltd. | Theriot #1 | 4,000 | 28732517 |
| 533089 | Jun 17, 2003 | Jun 17, 2003 | Holifield Oil Company | Edgmon-Cameron Unit #5HH | 9,000 | 28731105 |
| 533089Amendment | Jun 17, 2003 | Jun 17, 2003 | Holifield Oil Company | Edgmon-Cameron Unit #5HH | 9,000 | 28731105 |
| 532845 | Jun 10, 2003 | Jun 10, 2003 | Anadarko E&P Company LP | Mersiovsky #1REH | 11,000 | 28731276 |
| 532845Amendment | Jun 10, 2003 | Jun 10, 2003 | Anadarko E&P Company LP | Mersiovsky #1REH | 11,000 | 28731276 |
| 532845Amendment | Jun 10, 2003 | Jun 10, 2003 | Anadarko E&P Company LP | Mersiovsky #1REH | 8,500 | 28731276 |
| 532746 | Jun 4, 2003 | Jun 4, 2003 | Holifield Oil Company | Branch-Smith Unit No. 1 #6HH | 9,000 | 28732343 |
| 530540 | Apr 10, 2003 | Apr 10, 2003 | Holifield Oil Company | Stork #1H | 8,220 | 28731490 |
| 530118 | Mar 31, 2003 | Mar 31, 2003 | Holifield Oil Company | Vernon-Hoffman Unit #2REH | 8,900 | 28731907 |
| 529511 | Mar 12, 2003 | Mar 12, 2003 | Anadarko E&P Company LP | Wenke #1 | 8,140 | 28730914 |
| 529317 | Mar 7, 2003 | Mar 7, 2003 | Holifield Oil Company | Ira J. Lehmann Unit #1AH | 9,600 | 28731551 |
| 527568 | Feb 14, 2003 | Feb 14, 2003 | Anadarko Austin Chalk Company | Stuermer-Plueckhahn Unit #2H | 11,000 | 28732516 |