| 472627 | Jan 26, 1998 | Jan 26, 1998 | Trend Exploration Company | Glasscock | Powell "2D" #43D | 8,800 | 17332862 |
| 471979 | Jan 8, 1998 | Jan 8, 1998 | Trend Exploration Company | Glasscock | Powell "11F" #73D | 8,800 | 17332856 |
| 471978 | Jan 8, 1997 | Jan 8, 1997 | Trend Exploration Company | Glasscock | Powell "2E" #53D | 8,800 | 17332857 |
| 453874 | Oct 15, 1996 | Oct 15, 1996 | Trend Exploration Company | Glasscock | Cooper "E" 35 #1 | 8,800 | 17332698 |
| 453687 | Oct 10, 1996 | Oct 10, 1996 | Trend Exploration Company | Glasscock | Powell "9F" #73D | 8,800 | 17332696 |
| 452734 | Sep 17, 1996 | Sep 17, 1996 | Trend Exploration Company | Glasscock | Hillger "1E" #33D | 8,400 | 17332684 |
| 452734Amendment | Sep 17, 1996 | Sep 17, 1996 | Trend Exploration Company | Glasscock | Hillger "1E" #33DH | 8,400 | 17332684 |
| 452382 | Sep 9, 1996 | Sep 9, 1996 | Trend Exploration Company | Glasscock | Powell "9E" #63D | 8,800 | 17332677 |
| 450948 | Jul 30, 1996 | Jul 30, 1996 | Trend Exploration Company | Glasscock | Powell "2B" #33D | 8,800 | 17332663 |
| 450199 | Jul 10, 1996 | Jul 10, 1996 | Trend Exploration Company | Glasscock | Powell, F. B. #1504 | 8,800 | 17332649 |
| 449613 | Jun 24, 1996 | Jun 24, 1996 | Trend Exploration Company | Glasscock | Powell, F. B. #1505 | 8,800 | 17332647 |
| 448922 | Jun 5, 1996 | Jun 5, 1996 | Trend Exploration Company | Dickens | Woodward W. #T 1A | 7,500 | 12530591 |
| 444400 | Feb 5, 1996 | Feb 5, 1996 | Trend Exploration Company | Glasscock | Powell "20A" #23D | 8,800 | 17332599 |
| 444399 | Feb 5, 1996 | Feb 5, 1996 | Trend Exploration Company | Glasscock | Powell "17B" #53D | 8,800 | 17332600 |
| 443866 | Jan 19, 1996 | Jan 19, 1996 | Trend Exploration Company | Glasscock | Powell "20" #13D | 8,800 | 17332595 |
| 443369 | Jan 2, 1996 | Jan 2, 1996 | Trend Exploration Company | Glasscock | Powell "11D" #53D | 8,800 | 17332584 |
| 442676 | Dec 11, 1995 | Dec 11, 1995 | Trend Exploration Company | Glasscock | Hillger "2A" #23D | 8,400 | 17332579 |
| 441361 | Oct 30, 1995 | Oct 30, 1995 | Trend Exploration Company | Glasscock | Houston "22" #13D | 8,800 | 17332573 |
| 441358 | Oct 30, 1995 | Oct 30, 1995 | Trend Exploration Company | Glasscock | Houston "30A" #13D | 8,800 | 17332574 |
| 440630 | Oct 6, 1995 | Oct 6, 1995 | Trend Exploration Company | Glasscock | Cooper "D" 35 #1 | 8,600 | 17332570 |
| 439281 | Aug 24, 1995 | Aug 24, 1995 | Trend Exploration Company | Glasscock | Powell "15D" #53D | 8,700 | 17332551 |
| 436068 | May 22, 1995 | May 22, 1995 | Trend Exploration Company | Dickens | Gregory, Lillie #2B | 7,500 | 12530556 |
| 433596 | Apr 27, 1995 | Apr 27, 1995 | Trend Exploration Company | Glasscock | Powell "17A" #43D | 8,600 | 17332496 |
| 434808 | Apr 12, 1995 | Apr 12, 1995 | Trend Exploration Company | Glasscock | Powell "5A" #23D | 8,600 | 17332516 |
| 433598 | Mar 7, 1995 | Mar 7, 1995 | Trend Exploration Company | Glasscock | Cooper "B" 35 #1 | 8,600 | 17332498 |
| 433597 | Mar 7, 1995 | Mar 7, 1995 | Trend Exploration Company | Glasscock | Powell "21D" #43D | 8,600 | 17332497 |
| 432787 | Feb 10, 1995 | Feb 10, 1995 | Trend Exploration Company | Glasscock | Powell "21B" #33D | 8,600 | 17332487 |
| 431569 | Jan 5, 1995 | Jan 5, 1995 | Trend Exploration Company | Glasscock | Powell "15C" #43D | 8,700 | 17332478 |
| 430857 | Dec 12, 1994 | Dec 12, 1994 | Trend Exploration Company | Mitchell | Sterling Family Trust "C" #6001 | 7,600 | 33533689 |
| 429924 | Nov 10, 1994 | Nov 10, 1994 | Trend Exploration Company | Mitchell | Sterling Family Trust "D" #6002 | 8,500 | 33533680 |
| 429924Amendment | Nov 10, 1994 | Nov 10, 1994 | Trend Exploration Company | Mitchell | Sterling Family Trust "D" #6002 | 8,500 | 33533680 |
| 429825 | Nov 8, 1994 | Nov 8, 1994 | Trend Exploration Company | Glasscock | Powell "8" #13D | 8,600 | 17332470 |
| 428328 | Oct 3, 1994 | Oct 3, 1994 | Trend Exploration Company | Glasscock | Brunson "6" #2 | 11,200 | 17332460 |
| 428327 | Sep 22, 1994 | Sep 22, 1994 | Trend Exploration Company | Glasscock | Powell "9D" #53D | 8,600 | 17332459 |
| 428224 | Sep 20, 1994 | Sep 20, 1994 | Trend Exploration Company | Dickens | Gregory, Lillie #1A | 7,500 | 12530547 |
| 427253 | Aug 22, 1994 | Aug 22, 1994 | Trend Exploration Company | Glasscock | Powell "15B" #33D | 8,500 | 17332454 |
| 426537 | Aug 2, 1994 | Aug 2, 1994 | Trend Exploration Company | Glasscock | Powell "9C" #43D | 8,600 | 17332453 |
| 424650 | Jun 7, 1994 | Jun 7, 1994 | Trend Exploration Company | Glasscock | Brunson "6" #1 | 8,800 | 17332443 |
| 424100 | May 20, 1994 | May 20, 1994 | Trend Exploration Company | Glasscock | Powell "9B" #33D | 8,600 | 17332439 |
| 432350 | Jan 30, 1994 | Jan 30, 1994 | Trend Exploration Company | Glasscock | Powell "21A" #23D | 8,600 | 17332483 |
| 420449 | Jan 24, 1994 | Jan 24, 1994 | Trend Exploration Company | Glasscock | Powell "17A" #33D | 8,500 | 17332411 |
| 420449Amendment | Jan 24, 1994 | Jan 24, 1994 | Trend Exploration Company | Glasscock | Powell "17A" #33D | 8,500 | 17332411 |
| 420449Amendment | Jan 24, 1994 | Jan 24, 1994 | Trend Exploration Company | Glasscock | Powell "17A" #33D | 8,500 | 17332411 |
| 420219 | Jan 14, 1994 | Jan 14, 1994 | Trend Exploration Company | Glasscock | Blalock #1 | 8,900 | 17332405 |
| 420218 | Jan 14, 1994 | Jan 14, 1994 | Trend Exploration Company | Glasscock | Adcock/Zant #1 | 8,900 | 17332404 |
| 419747 | Dec 29, 1993 | Dec 29, 1993 | Trend Exploration Company | Glasscock | Powell "5" #13D | 8,500 | 17332400 |
| 418614 | Nov 23, 1993 | Nov 23, 1993 | Trend Exploration Company | Mitchell | Sterling Family Trust "B" #6101 | 7,600 | 33533657 |
| 418614Amendment | Nov 23, 1993 | Nov 23, 1993 | Trend Exploration Company | Mitchell | Sterling Family Trust "B" #6101 | 8,800 | 33533657 |
| 418462 | Nov 19, 1993 | Nov 19, 1993 | Trend Exploration Company | Glasscock | Powell "11C" #43D | 8,600 | 17332379 |
| 417378 | Oct 21, 1993 | Oct 21, 1993 | Trend Exploration Company | Glasscock | Brunson "5" #1 | 8,600 | 17332375 |
| 416441 | Sep 27, 1993 | Sep 27, 1993 | Trend Exploration Company | Glasscock | Blalock/Zant "A" #2 | 8,900 | 17332367 |
| 416169 | Sep 17, 1993 | Sep 17, 1993 | Trend Exploration Company | Glasscock | Powell "15A" #23D | 8,500 | 17332361 |
| 415452 | Aug 27, 1993 | Aug 27, 1993 | Trend Exploration Company | Glasscock | Powell "4B" #33D | 8,500 | 17332350 |
| 415452Amendment | Aug 27, 1993 | Aug 27, 1993 | Trend Exploration Company | Glasscock | Powell "4B" #33D | 8,500 | 17332350 |
| 413214 | Jun 30, 1993 | Jun 30, 1993 | Trend Exploration Company | Glasscock | Powell "16B" #43D | 8,500 | 17332337 |
| 411914 | May 19, 1993 | May 19, 1993 | Trend Exploration Company | Glasscock | Powell "9A" #23D | 8,500 | 17332326 |
| 410453 | Apr 2, 1993 | Apr 2, 1993 | Trend Exploration Company | Glasscock | Powell "11B" #33D | 8,500 | 17332315 |
| 410453Amendment | Apr 2, 1993 | Apr 2, 1993 | Trend Exploration Company | Glasscock | Powell "11B" #33DH | 8,500 | 17332315 |
| 409372 | Mar 5, 1993 | Mar 5, 1993 | Trend Exploration Company | Glasscock | Blalock/Zant #1 | 11,500 | 17332302 |
| 409372Amendment | Mar 5, 1993 | Mar 5, 1993 | Trend Exploration Company | Glasscock | Blalock/Zant #1 | 11,500 | 17332302 |
| 409211 | Feb 24, 1993 | Feb 24, 1993 | Trend Exploration Company | Glasscock | Powell "15" #13D | 8,500 | 17332301 |
| 407641 | Dec 23, 1992 | Dec 23, 1992 | Trend Exploration Company | Mitchell | Sterling Family Trust #3301 | 8,500 | 33533624 |
| 407640 | Dec 23, 1992 | Dec 23, 1992 | Trend Exploration Company | Glasscock | Powell "16A" #33D | 8,400 | 17332281 |
| 407640Amendment | Dec 23, 1992 | Dec 23, 1992 | Trend Exploration Company | Glasscock | Powell "16A" #33DH | 8,400 | 17332281 |
| 407166 | Dec 14, 1992 | Dec 14, 1992 | Trend Exploration Company | Glasscock | Powell "17A" #23D | 9,800 | 17331776 |
| 406790 | Dec 3, 1992 | Dec 3, 1992 | Trend Exploration Company | Glasscock | Powell "2" #13D | 8,400 | 17332278 |
| 406449 | Nov 23, 1992 | Nov 23, 1992 | Trend Exploration Company | Glasscock | Powell "17" #13D | 8,400 | 17332272 |
| 406449Amendment | Nov 23, 1992 | Nov 23, 1992 | Trend Exploration Company | Glasscock | Powell "17" #13DH | 8,400 | 17332272 |
| 405788 | Nov 6, 1992 | Nov 6, 1992 | Trend Exploration Company | Glasscock | Powell "11A" #23D | 8,400 | 17332265 |
| 403257 | Sep 9, 1992 | Sep 9, 1992 | Trend Exploration Company | Glasscock | Powell, F. B. #1503 | 8,400 | 17332244 |
| 401174 | Jul 13, 1992 | Jul 13, 1992 | Trend Exploration Company | Howard | Sterling Family Trust #3401R | 8,500 | 22734707 |
| 400448 | Jun 22, 1992 | Jun 22, 1992 | Trend Exploration Company | Glasscock | Powell "4" #23D | 8,400 | 17332210 |
| 397008 | Feb 26, 1992 | Feb 26, 1992 | Trend Exploration Company | Glasscock | Powell "11" #13D | 8,400 | 17332201 |
| 397008Amendment | Feb 26, 1992 | Feb 26, 1992 | Trend Exploration Company | Glasscock | Powell "11" #13D | 8,400 | 17332201 |
| 397007 | Feb 26, 1992 | Feb 26, 1992 | Trend Exploration Company | Glasscock | Powell "4" #13D | 8,400 | 17332200 |
| 396725 | Feb 18, 1992 | Feb 18, 1992 | Trend Exploration Company | Howard | Sterling Family Trust #3403 | 8,500 | 22734688 |
| 395469 | Dec 30, 1991 | Dec 30, 1991 | Trend Exploration Company | Glasscock | Powell, E. L. #901CF | 6,100 | 17332135 |
| 391446 | Aug 30, 1991 | Aug 30, 1991 | Trend Exploration Company | Glasscock | Powell "16" #203D | 8,400 | 17332182 |
| 390381 | Jul 29, 1991 | Jul 29, 1991 | Trend Exploration Company | Glasscock | Powell "16" #1030 | 8,400 | 17332177 |
| 387335 | Apr 30, 1991 | Apr 30, 1991 | Trend Exploration Company | Glasscock | Powell "21" #103D | 8,400 | 17332167 |
| 386614 | Apr 10, 1991 | Apr 10, 1991 | Trend Exploration Company | Glasscock | Powell "9" #103D | 8,400 | 17332163 |
| 374127 | Jun 5, 1990 | Jun 5, 1990 | Trend Exploration Company | Concho | McCoy, Ray #3 | 2,500 | 09531133 |
| 374126 | Jun 5, 1990 | Jun 5, 1990 | Trend Exploration Company | Concho | Armor, Vanie #5 | 2,400 | 09531134 |
| 373933 | May 30, 1990 | May 30, 1990 | Trend Exploration Company | Glasscock | Powell, E. L. #901 | 8,400 | 17332135 |
| 373932 | May 30, 1990 | May 30, 1990 | Trend Exploration Company | Dickens | Edwards W. #1 | 4,600 | 12530420 |
| 372671 | Apr 26, 1990 | Apr 26, 1990 | Trend Exploration Company | Concho | McCoy, Ray #2 | 2,500 | 09531124 |
| 370640 | Mar 7, 1990 | Mar 7, 1990 | Trend Exploration Company | Mitchell | Sterling, J. M. #1601 | 8,200 | 33533535 |
| 364863Amendment | Oct 9, 1989 | Oct 9, 1989 | Trend Exploration Company | Ector | Amburgey #2301 | 8,226 | 13536140 |