| 538114 | Oct 31, 2003 | Oct 31, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | HBB #2H | 8,000 | 43930734 |
| 536078 | Oct 31, 2003 | Oct 31, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Haslet Heights #1 | 7,800 | 43930693 |
| 536078Amendment | Oct 31, 2003 | Oct 31, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Haslet Heights #1H | 9,000 | 43930693 |
| 537988 | Oct 28, 2003 | Oct 28, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | HBB #1H | 8,000 | 43930732 |
| 537398 | Oct 10, 2003 | Oct 10, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Fossil Hill #9 | 8,000 | 43930718 |
| 537149 | Oct 3, 2003 | Oct 3, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Harris #2 | 7,800 | 43930712 |
| 537148 | Oct 3, 2003 | Oct 3, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Harris #1H | 7,800 | 43930711 |
| 536291 | Sep 10, 2003 | Sep 10, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | White, Hugh #1H | 9,000 | 43930697 |
| 536290 | Sep 10, 2003 | Sep 10, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | White, Hugh #2H | 9,000 | 43930696 |
| 535533 | Aug 19, 2003 | Aug 19, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Hawkins Unit #1 | 8,000 | 43930679 |
| 534460 | Jul 22, 2003 | Jul 22, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Fialho #1 | 7,800 | 43930659 |
| 534262 | Jul 16, 2003 | Jul 16, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Brumbaugh #3H | 8,500 | 43930657 |
| 534262Amendment | Jul 16, 2003 | Jul 16, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Brumbaugh #3H | 8,500 | 43930657 |
| 534262Amendment | Jul 16, 2003 | Jul 16, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Brumbaugh #3H | 8,500 | 43930657 |
| 534261 | Jul 16, 2003 | Jul 16, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Brumbaugh #2H | 8,500 | 43930656 |
| 533119 | Jun 13, 2003 | Jun 13, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Fossil Hill #6H | 9,000 | 43930646 |
| 531897 | May 13, 2003 | May 13, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Mitchell #3 | 3,999 | 43930635 |
| 531273 | Apr 29, 2003 | Apr 29, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Mitchell #2 | 8,000 | 43930622 |
| 530779 | Apr 15, 2003 | Apr 15, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Foltz Unit #1 | 8,000 | 43930614 |
| 529643 | Mar 14, 2003 | Mar 14, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Daugherty #4 | 8,000 | 43930599 |
| 529642 | Mar 14, 2003 | Mar 14, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Daugherty #3 | 8,000 | 43930598 |
| 529642Amendment | Mar 14, 2003 | Mar 14, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Daugherty #3H | 8,000 | 43930598 |
| 529641 | Mar 14, 2003 | Mar 14, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Daugherty #2 | 8,000 | 43930597 |
| 529640 | Mar 14, 2003 | Mar 14, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | E.P.R.I. #4 | 8,000 | 43930602 |
| 529639 | Mar 14, 2003 | Mar 14, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | E.P.R.I. #3 | 8,000 | 43930601 |
| 529638 | Mar 14, 2003 | Mar 14, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | E.P.R.I. #2 | 8,000 | 43930600 |
| 529638Amendment | Mar 14, 2003 | Mar 14, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | E.P.R.I. #2H | 9,000 | 43930600 |
| 529637 | Mar 14, 2003 | Mar 14, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Langley #1 | 8,000 | 43930596 |
| 529637Amendment | Mar 14, 2003 | Mar 14, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Langley #1H | 8,000 | 43930596 |
| 528488 | Mar 12, 2003 | Mar 12, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Fossil Hill #2 | 8,000 | 43930584 |
| 528493 | Feb 28, 2003 | Feb 28, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Fossil Hill #4 | 8,000 | 43930583 |
| 528491 | Feb 28, 2003 | Feb 28, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Fossil Hill #3 | 8,000 | 43930585 |
| 528495 | Feb 14, 2003 | Feb 14, 2003 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle #1 | 4,000 | 43930586 |
| 526607 | Dec 20, 2002 | Dec 20, 2002 | Four Sevens Operating Co., Ltd. | Wise | Alliston #2 | 4,000 | 49735158 |
| 526607Amendment | Dec 20, 2002 | Dec 20, 2002 | Four Sevens Operating Co., Ltd. | Wise | Alliston #2 | 4,000 | 49735158 |
| 526518 | Dec 18, 2002 | Dec 18, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Fossil Hill #1 | 8,000 | 43930540 |
| 526381 | Dec 13, 2002 | Dec 13, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Mitchell #1 | 8,500 | 43930539 |
| 526379 | Dec 13, 2002 | Dec 13, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Haslet "78" GU #3 | 8,000 | 43930536 |
| 526378 | Dec 13, 2002 | Dec 13, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Boling #1 | 8,000 | 43930537 |
| 526377 | Dec 13, 2002 | Dec 13, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Daugherty #3 | 8,500 | 43930538 |
| 526377Amendment | Dec 13, 2002 | Dec 13, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Daugherty #1 | 8,700 | 43930538 |
| 526135 | Dec 6, 2002 | Dec 6, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Brumbaugh #6 | 8,000 | 43930528 |
| 526133 | Dec 6, 2002 | Dec 6, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Brumbaugh #5 | 8,000 | 43930527 |
| 526131 | Dec 6, 2002 | Dec 6, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Haslet "78" G U #2 | 8,000 | 43930526 |
| 521367 | Jun 25, 2002 | Jun 25, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | E. P. R. I. #1 | 8,000 | 43930487 |
| 520289 | May 23, 2002 | May 23, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle #10 | 7,800 | 43930422 |
| 520288 | May 23, 2002 | May 23, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle #9 | 7,800 | 43930421 |
| 520287 | May 23, 2002 | May 23, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle #8 | 7,800 | 43930420 |
| 520287Amendment | May 23, 2002 | May 23, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle "H" #8H | 7,800 | 43930420 |
| 520286 | May 23, 2002 | May 23, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle #7 | 7,800 | 43930419 |
| 520285 | May 23, 2002 | May 23, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle #6 | 7,800 | 43930418 |
| 520285Amendment | May 23, 2002 | May 23, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle F #6 | 7,800 | 43930418 |
| 520284 | May 23, 2002 | May 23, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle #5 | 7,800 | 43930417 |
| 520283 | May 23, 2002 | May 23, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle #4 | 7,800 | 43930416 |
| 520283Amendment | May 23, 2002 | May 23, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle D #4H | 9,000 | 43930416 |
| 520282 | May 23, 2002 | May 23, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle #3 | 7,800 | 43930415 |
| 520282Amendment | May 23, 2002 | May 23, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle C #3 | 7,800 | 43930415 |
| 520281 | May 23, 2002 | May 23, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle #2 | 7,800 | 43930414 |
| 520281Amendment | May 23, 2002 | May 23, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle B #2H | 9,000 | 43930414 |
| 520280 | May 23, 2002 | May 23, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle #1 | 7,800 | 43930413 |
| 520280Amendment | May 23, 2002 | May 23, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Golden Triangle A #1 | 7,800 | 43930413 |
| 519599 | May 1, 2002 | May 1, 2002 | Four Sevens Operating Co., Ltd. | Wise | Alliston #1 | 7,800 | 49734954 |
| 519492 | Apr 26, 2002 | Apr 26, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Taylor #1 | 7,800 | 43930360 |
| 518419 | Mar 20, 2002 | Mar 20, 2002 | Four Sevens Operating Co., Ltd. | Jack | Craft, J. D. #24 | 6,999 | 23738455 |
| 516924 | Jan 18, 2002 | Jan 18, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Brumbaugh #1 | 8,500 | 43930305 |
| 516923 | Jan 18, 2002 | Jan 18, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Haslet "78" GU #1 | 8,500 | 43930304 |
| 516584 | Jan 4, 2002 | Jan 4, 2002 | Four Sevens Operating Co., Ltd. | Tarrant | Cleveland B #3 | 7,800 | 43930301 |
| 516357Amendment | Dec 20, 2001 | Dec 20, 2001 | Four Sevens Operating Co., Ltd. | Jack | Craft, J. D. #25 | 6,900 | 23738652 |