| 504475 | Jan 24, 2001 | Jan 24, 2001 | Moose Operating Co., Inc. | Lavaca | Franklin Klimtchek Gas Unit #1 | 3,000 | 28532850 |
| 504474 | Jan 24, 2001 | Jan 24, 2001 | Moose Operating Co., Inc. | Lavaca | Kalmus #1 | 3,500 | 28532849 |
| 503502 | Jan 24, 2001 | Jan 24, 2001 | Moose Operating Co., Inc. | Lavaca | Klimitchek, Carl #2 | 2,400 | 28532843 |
| 499143 | Sep 1, 2000 | Sep 1, 2000 | Moose Operating Co., Inc. | Lavaca | Klimitchek, Carl #1 | 2,480 | 28532646 |
| 498835 | Aug 24, 2000 | Aug 24, 2000 | Moose Operating Co., Inc. | Lavaca | Knebel #2 | 3,300 | 28532817 |
| 497252 | Aug 16, 2000 | Aug 16, 2000 | Moose Operating Co., Inc. | Lavaca | Klimitchek, Alton #1A | 3,000 | 28532805 |
| 490907 | Jan 7, 2000 | Jan 7, 2000 | Moose Operating Co., Inc. | Lavaca | Baker-Barnes #3 | 12,000 | 28532767 |
| 488955 | Oct 27, 1999 | Oct 27, 1999 | Moose Operating Co., Inc. | Lavaca | Clark #1 | 6,000 | 28532755 |
| 486726 | Aug 17, 1999 | Aug 17, 1999 | Moose Operating Co., Inc. | Lavaca | Baker-Barnes #2 | 15,000 | 28532733 |
| 486726Amendment | Aug 17, 1999 | Aug 17, 1999 | Moose Operating Co., Inc. | Lavaca | Baker-Barnes #2 | 15,000 | 28532733 |
| 485378 | Jun 22, 1999 | Jun 22, 1999 | Moose Operating Co., Inc. | Lavaca | Viking Ventures #3 | 6,000 | 28532719 |
| 484486 | May 12, 1999 | May 12, 1999 | Moose Operating Co., Inc. | Lavaca | Viking Ventures #1 | 3,800 | 28532712 |
| 482669 | Feb 11, 1999 | Feb 11, 1999 | Moose Operating Co., Inc. | Lavaca | Klimitchek, Franklin #1 | 3,600 | 28532685 |
| 482668 | Feb 11, 1999 | Feb 11, 1999 | Moose Operating Co., Inc. | Lavaca | Klimitchek, Alton #2 | 3,500 | 28532684 |
| 482667 | Feb 11, 1999 | Feb 11, 1999 | Moose Operating Co., Inc. | Lavaca | Klimitchek, Jesse #3 | 3,300 | 28532683 |
| 482105 | Jan 19, 1999 | Jan 19, 1999 | Moose Operating Co., Inc. | Lavaca | Stovall #1 | 6,000 | 28532676 |
| 482105Amendment | Jan 19, 1999 | Jan 19, 1999 | Moose Operating Co., Inc. | Lavaca | Stovall #1 | 6,000 | 28532676 |
| 482103 | Jan 19, 1999 | Jan 19, 1999 | Moose Operating Co., Inc. | Lavaca | Viking Ventures "A" #2 | 3,350 | 28532675 |
| 482102 | Jan 19, 1999 | Jan 19, 1999 | Moose Operating Co., Inc. | Lavaca | Viking Ventures #4 | 3,800 | 28532674 |
| 482100 | Jan 19, 1999 | Jan 19, 1999 | Moose Operating Co., Inc. | Lavaca | Viking Ventures #5 | 3,800 | 28532673 |
| 480615 | Nov 2, 1998 | Nov 2, 1998 | Moose Operating Co., Inc. | Lavaca | Robles #1 | 4,000 | 28532662 |
| 479953Amendment | Oct 6, 1998 | Oct 6, 1998 | Moose Operating Co., Inc. | Lavaca | Baker-Barnes #1 | 15,000 | 28532653 |
| 479953Amendment | Oct 6, 1998 | Oct 6, 1998 | Moose Operating Co., Inc. | Lavaca | Baker-Barnes #1 | 15,000 | 28532653 |
| 479940 | Oct 6, 1998 | Oct 6, 1998 | Moose Operating Co., Inc. | Lavaca | Smothers #5 | 3,650 | 28532652 |
| 479796 | Sep 30, 1998 | Sep 30, 1998 | Moose Operating Co., Inc. | Lavaca | Klimitchek, Alton #1 | 2,500 | 28532651 |
| 479796Amendment | Sep 30, 1998 | Sep 30, 1998 | Moose Operating Co., Inc. | Lavaca | Klimitchek, Alton #1 | 3,500 | 28532651 |
| 479735 | Sep 28, 1998 | Sep 28, 1998 | Moose Operating Co., Inc. | Lavaca | Celli Estate #3 | 3,500 | 28532650 |
| 478916 | Aug 21, 1998 | Aug 21, 1998 | Moose Operating Co., Inc. | Lavaca | Klimitchek, Carl #1 | 3,200 | 28532646 |
| 478915 | Aug 21, 1998 | Aug 21, 1998 | Moose Operating Co., Inc. | Lavaca | Klimitchek, Jesse #1 | 3,550 | 28532645 |
| 478543 | Aug 6, 1998 | Aug 6, 1998 | Moose Operating Co., Inc. | Lavaca | O'Daniel Klimitchek #1 | 3,550 | 28532639 |
| 477832 | Jul 10, 1998 | Jul 10, 1998 | Moose Operating Co., Inc. | Lavaca | Bujnoch #1 | 4,000 | 28532633 |
| 477669 | Jul 2, 1998 | Jul 2, 1998 | Moose Operating Co., Inc. | Lavaca | Bujnoch #2 | 6,000 | 28532629 |
| 477668 | Jul 2, 1998 | Jul 2, 1998 | Moose Operating Co., Inc. | Lavaca | Brezik #1 | 4,000 | 28532630 |
| 477088 | Jun 12, 1998 | Jun 12, 1998 | Moose Operating Co., Inc. | Lavaca | Renger #3 | 6,000 | 28532619 |
| 477087 | Jun 12, 1998 | Jun 12, 1998 | Moose Operating Co., Inc. | Lavaca | McElroy #1 | 4,000 | 28532620 |
| 477087Amendment | Jun 12, 1998 | Jun 12, 1998 | Moose Operating Co., Inc. | Lavaca | McElroy #1 | 4,000 | 28532620 |
| 477086 | Jun 12, 1998 | Jun 12, 1998 | Moose Operating Co., Inc. | Lavaca | Renger, Harvey #2 | 6,000 | 28532621 |
| 477086Amendment | Jun 12, 1998 | Jun 12, 1998 | Moose Operating Co., Inc. | Lavaca | Renger, Harvey #2 | 6,000 | 28532621 |
| 476643 | May 27, 1998 | May 27, 1998 | Moose Operating Co., Inc. | Lavaca | Smothers #3 | 3,500 | 28532606 |
| 476643Amendment | May 27, 1998 | May 27, 1998 | Moose Operating Co., Inc. | Lavaca | Smothers #3 | 3,500 | 28532606 |
| 476643Amendment | May 27, 1998 | May 27, 1998 | Moose Operating Co., Inc. | Lavaca | Smothers #3 | 3,759 | 28532606 |
| 476045 | May 6, 1998 | May 6, 1998 | Moose Operating Co., Inc. | Lavaca | Smothers #4 | 3,500 | 28532600 |
| 476045Amendment | May 6, 1998 | May 6, 1998 | Moose Operating Co., Inc. | Lavaca | Smothers #4 | 3,500 | 28532600 |
| 474594 | May 4, 1998 | May 4, 1998 | Moose Operating Co., Inc. | Lavaca | Jacobs #1 | 5,600 | 28532587 |
| 475473 | Apr 20, 1998 | Apr 20, 1998 | Moose Operating Co., Inc. | Lavaca | Smothers #2 | 3,400 | 28532599 |
| 473553 | Feb 19, 1998 | Feb 19, 1998 | Moose Operating Co., Inc. | Lavaca | Renger, Harvey #1 | 3,400 | 28532582 |
| 473552 | Feb 19, 1998 | Feb 19, 1998 | Moose Operating Co., Inc. | Lavaca | Jurena #1 | 3,200 | 28532583 |
| 471390 | Dec 18, 1997 | Dec 18, 1997 | Moose Operating Co., Inc. | Lavaca | Wesley Debord Gas Unit #1 | 4,000 | 28532566 |
| 466143 | Aug 12, 1997 | Aug 12, 1997 | Moose Operating Co., Inc. | Lavaca | Aschbacher (D) #1L | 2,000 | 28532528 |
| 466142 | Aug 12, 1997 | Aug 12, 1997 | Moose Operating Co., Inc. | Lavaca | Aschbacher (C) #1K | 2,000 | 28532527 |
| 464724 | Jul 10, 1997 | Jul 10, 1997 | Moose Operating Co., Inc. | Lavaca | Miller, R.B. #11 | 6,000 | 28532515 |
| 463873 | Jun 17, 1997 | Jun 17, 1997 | Moose Operating Co., Inc. | Lavaca | Barnes #2 | 6,000 | 28532507 |
| 463139 | Jun 2, 1997 | Jun 2, 1997 | Moose Operating Co., Inc. | Lavaca | Denney Gas Unit #2 | 15,500 | 28532499 |
| 462173 | May 8, 1997 | May 8, 1997 | Moose Operating Co., Inc. | Lavaca | Dancer Gas Unit #1 | 3,000 | 28532488 |
| 460672 | Apr 3, 1997 | Apr 3, 1997 | Moose Operating Co., Inc. | Lavaca | Cellie Estate #2 | 5,850 | 28532472 |
| 459928 | Mar 17, 1997 | Mar 17, 1997 | Moose Operating Co., Inc. | Lavaca | Knebel #1 | 3,300 | 28532467 |
| 458510 | Feb 11, 1997 | Feb 11, 1997 | Moose Operating Co., Inc. | Lavaca | Whitley Gas Unit #1 | 13,700 | 28532452 |
| 458272 | Feb 7, 1997 | Feb 7, 1997 | Moose Operating Co., Inc. | Lavaca | Renger Gas Unit #1 | 3,300 | 28532451 |
| 458272Amendment | Feb 7, 1997 | Feb 7, 1997 | Moose Operating Co., Inc. | Lavaca | Renger Gas Unit #1 | 3,300 | 28532451 |
| 457931 | Jan 29, 1997 | Jan 29, 1997 | Moose Operating Co., Inc. | Lavaca | Barnes #1 | 3,850 | 28532448 |
| 457931Amendment | Jan 29, 1997 | Jan 29, 1997 | Moose Operating Co., Inc. | Lavaca | Barnes #1 | 3,850 | 28532448 |
| 456890 | Dec 31, 1996 | Dec 31, 1996 | Moose Operating Co., Inc. | Lavaca | Ferguson #1 | 3,850 | 28532442 |
| 456889 | Dec 31, 1996 | Dec 31, 1996 | Moose Operating Co., Inc. | Lavaca | Smothers #1 | 13,700 | 28532443 |
| 456889Amendment | Dec 31, 1996 | Dec 31, 1996 | Moose Operating Co., Inc. | Lavaca | Smothers #1 | 13,700 | 28532443 |
| 456102 | Dec 10, 1996 | Dec 10, 1996 | Moose Operating Co., Inc. | Lavaca | Debord #1 | 3,300 | 28532439 |
| 456102Amendment | Dec 10, 1996 | Dec 10, 1996 | Moose Operating Co., Inc. | Lavaca | Debord #1 | 3,310 | 28532439 |
| 455452 | Nov 21, 1996 | Nov 21, 1996 | Moose Operating Co., Inc. | Lavaca | Aschbacher (C) #1H | 2,000 | 28532431 |
| 455451 | Nov 21, 1996 | Nov 21, 1996 | Moose Operating Co., Inc. | Lavaca | Denney #1 | 3,850 | 28532430 |
| 455450 | Nov 21, 1996 | Nov 21, 1996 | Moose Operating Co., Inc. | Lavaca | Aschbacher (B) #1I | 2,000 | 28532429 |
| 455449 | Nov 21, 1996 | Nov 21, 1996 | Moose Operating Co., Inc. | Lavaca | Aschbacher (A) #1J | 2,000 | 28532428 |
| 455104 | Nov 13, 1996 | Nov 13, 1996 | Moose Operating Co., Inc. | Lavaca | Brown Gas Unit #1 | 3,000 | 28532423 |
| 455104Amendment | Nov 13, 1996 | Nov 13, 1996 | Moose Operating Co., Inc. | Lavaca | Brown Gas Unit #1 | 3,000 | 28532423 |
| 453941 | Oct 16, 1996 | Oct 16, 1996 | Moose Operating Co., Inc. | Lavaca | Aschbacher #2D | 6,000 | 28532413 |
| 453939 | Oct 16, 1996 | Oct 16, 1996 | Moose Operating Co., Inc. | Lavaca | Aschbacher #1F | 4,000 | 28532340 |
| 452312 | Sep 5, 1996 | Sep 5, 1996 | Moose Operating Co., Inc. | Lavaca | Zinn et Al #2 | 3,350 | 28532404 |
| 452310 | Sep 5, 1996 | Sep 5, 1996 | Moose Operating Co., Inc. | Lavaca | Harvey, J. R. #1 | 3,500 | 28532405 |
| 451972 | Aug 28, 1996 | Aug 28, 1996 | Moose Operating Co., Inc. | Lavaca | Miller, R. B. #1 | 4,000 | 28532400 |
| 451251 | Aug 8, 1996 | Aug 8, 1996 | Moose Operating Co., Inc. | Lavaca | Zinn et Al #1 | 6,050 | 28532396 |
| 450718 | Jul 24, 1996 | Jul 24, 1996 | Moose Operating Co., Inc. | Lavaca | Aschbacher #1G | 6,062 | 28532343 |
| 450717 | Jul 24, 1996 | Jul 24, 1996 | Moose Operating Co., Inc. | Lavaca | Miller, A. B. #4 | 5,904 | 28532315 |
| 450564 | Jul 19, 1996 | Jul 19, 1996 | Moose Operating Co., Inc. | Lavaca | Ragsdale Unit #9 | 4,000 | 28532395 |
| 450557 | Jul 19, 1996 | Jul 19, 1996 | Moose Operating Co., Inc. | Lavaca | Ragsdale Unit #17 | 4,000 | 28532394 |
| 450557Amendment | Jul 19, 1996 | Jul 19, 1996 | Moose Operating Co., Inc. | Lavaca | Ragsdale Unit #17 | 3,210 | 28532394 |
| 450218 | Jul 11, 1996 | Jul 11, 1996 | Moose Operating Co., Inc. | Lavaca | Harvey, J. H. #6 | 3,250 | 28532391 |
| 449678 | Jun 25, 1996 | Jun 25, 1996 | Moose Operating Co., Inc. | Lavaca | Gohlke #1 | 6,000 | 28532386 |
| 448377 | May 21, 1996 | May 21, 1996 | Moose Operating Co., Inc. | Lavaca | Miller, R. B. #10 | 6,000 | 28532382 |
| 448376 | May 21, 1996 | May 21, 1996 | Moose Operating Co., Inc. | Lavaca | Miller, R. B. #9 | 6,000 | 28532381 |
| 448375 | May 21, 1996 | May 21, 1996 | Moose Operating Co., Inc. | Lavaca | Miller, R. B. #8 | 6,000 | 28532380 |
| 446343 | Mar 27, 1996 | Mar 27, 1996 | Moose Operating Co., Inc. | Lavaca | Schwartz Gas Unit #1 | 6,050 | 28532368 |
| 446342 | Mar 27, 1996 | Mar 27, 1996 | Moose Operating Co., Inc. | Lavaca | Wofford Gas Unit #1 | 6,050 | 28532367 |
| 445451 | Mar 4, 1996 | Mar 4, 1996 | Moose Operating Co., Inc. | Lavaca | Aschbacher #2C | 4,000 | 28532366 |
| 444315 | Jan 31, 1996 | Jan 31, 1996 | Moose Operating Co., Inc. | Lavaca | Harvey, J.H. Estate #3 | 6,000 | 28532363 |
| 443871 | Jan 19, 1996 | Jan 19, 1996 | Moose Operating Co., Inc. | Lavaca | Bludworth #1 | 6,050 | 28532359 |
| 443870 | Jan 19, 1996 | Jan 19, 1996 | Moose Operating Co., Inc. | Lavaca | Aschbacher #2B | 6,050 | 28532360 |
| 443597 | Jan 10, 1996 | Jan 10, 1996 | Moose Operating Co., Inc. | Lavaca | Coiner #1 | 6,050 | 28532357 |
| 443597Amendment | Jan 10, 1996 | Jan 10, 1996 | Moose Operating Co., Inc. | Lavaca | Coiner #1 | 6,050 | 28532357 |
| 443420 | Jan 4, 1996 | Jan 4, 1996 | Moose Operating Co., Inc. | Lavaca | Allen et Al #1 | 6,000 | 28532353 |
| 442064 | Nov 20, 1995 | Nov 20, 1995 | Moose Operating Co., Inc. | Lavaca | Aschbacher #1G | 6,050 | 28532343 |
| 441824 | Nov 13, 1995 | Nov 13, 1995 | Moose Operating Co., Inc. | Lavaca | Aschbacher #1F | 4,000 | 28532340 |
| 441651 | Nov 6, 1995 | Nov 6, 1995 | Moose Operating Co., Inc. | Lavaca | Aaschbacker No. 1E #1E | 4,000 | 28532339 |