| 514108 | Oct 2, 2001 | Oct 2, 2001 | Devon Energy Production Co, L.P. | Lambert, M. F. #152 | 9,000 | 39132447 |
| 514044 | Oct 1, 2001 | Oct 1, 2001 | Anderson Oil Ltd | Kentucky-Fagan #5 | 6,100 | 39132202 |
| 513929 | Sep 28, 2001 | Sep 28, 2001 | Hilcorp Energy Company | Heard, Mrs. Fannie V. W. #13 | 5,962 | 39100682 |
| 513892 | Sep 28, 2001 | Sep 28, 2001 | Beckham Resources, Inc. | Shelton, J. Isabella -D- #B 2 | 6,888 | 39102774 |
| 513608 | Sep 14, 2001 | Sep 14, 2001 | Emerald Oil & Gas LC | O'Connor, Mary Ellen #E 4 | 6,506 | 39101940 |
| 513607 | Sep 14, 2001 | Sep 14, 2001 | Emerald Oil & Gas LC | O'Connor, Mary Ellen #B 9 | 6,025 | 39101938 |
| 513497 | Sep 13, 2001 | Sep 13, 2001 | Hilcorp Energy Company | Heard, Claude E. et Al #7 | 5,925 | 39100668 |
| 513478 | Sep 13, 2001 | Sep 13, 2001 | Cummins & Walker Oil Co., Inc. | Wood, L. Est. #8 | 6,810 | 39132395 |
| 513466 | Sep 13, 2001 | Sep 13, 2001 | Cummins & Walker Oil Co., Inc. | Scanio, M. #1 | 7,614 | 39132329 |
| 511967 | Sep 13, 2001 | Sep 13, 2001 | Beckham Resources, Inc. | Mitchell, John N. #4 | 9,321 | 39103819 |
| 511967Amendment | Sep 13, 2001 | Sep 13, 2001 | Beckham Resources, Inc. | Mitchell, John N. Unit #4 | 9,321 | 39103819 |
| 513510 | Sep 12, 2001 | Sep 12, 2001 | Hilcorp Energy Company | Tom O'Connor 440 Sand Gas Unit #Q351 | 5,895 | 39100704 |
| 513509 | Sep 12, 2001 | Sep 12, 2001 | Hilcorp Energy Company | Tom O'Connor 4400 Sand Gas Unit #Q271 | 4,500 | 39130050 |
| 513508 | Sep 12, 2001 | Sep 12, 2001 | Hilcorp Energy Company | Tom O'Connor 4400 Sand Gas Unit #Q294 | 6,000 | 39132017 |
| 513508Amendment | Sep 12, 2001 | Sep 12, 2001 | Hilcorp Energy Company | O'Connor, Thomas "C" #94 | 6,000 | 39132017 |
| 513474 | Sep 12, 2001 | Sep 12, 2001 | Christopher Oil & Gas Inc | Schirmer-Buck Unit #1 | 6,510 | 39132368 |
| 512695 | Aug 24, 2001 | Aug 24, 2001 | Hilcorp Energy Company | Heard, Claude E. et Al #14 | 5,923 | 39100552 |
| 512694 | Aug 24, 2001 | Aug 24, 2001 | Hilcorp Energy Company | Tom O'Connor (5730 Ft. Sd.) Unit #57 | 5,916 | 39100453 |
| 512850 | Aug 23, 2001 | Aug 23, 2001 | Hilcorp Energy Company | Tom O'Connor (5730 Ft. Sd.) Unit #B 14 | 5,915 | 39100516 |
| 512850Amendment | Aug 23, 2001 | Aug 23, 2001 | Hilcorp Energy Company | Williams, Maude et al "B" #14 | 5,915 | 39100516 |
| 512769 | Aug 20, 2001 | Aug 20, 2001 | Laroco LLP | Rooke, B. D. #C 8 | 6,000 | 39132445 |
| 512636 | Aug 17, 2001 | Aug 17, 2001 | C & E Operating, Inc. | Rooke, F. B. 9 #3 | 6,600 | 39132444 |
| 512511 | Aug 16, 2001 | Aug 16, 2001 | Hilcorp Energy Company | Heard, Claude E. et Al #12 | 5,925 | 39100547 |
| 512511Amendment | Aug 16, 2001 | Aug 16, 2001 | Hilcorp Energy Company | Heard, Claude E. et Al #12 | 5,925 | 39100547 |
| 512441 | Aug 10, 2001 | Aug 10, 2001 | T - C Oil Company | T-C Oil Co. - O'Connor #86 | 4,800 | 39132443 |
| 512440 | Aug 10, 2001 | Aug 10, 2001 | T - C Oil Company | T-C Oil Co. - O'Connor #87 | 4,800 | 39132442 |
| 512439 | Aug 10, 2001 | Aug 10, 2001 | T - C Oil Company | T-C Oil Co. - O'Connor #88 | 4,800 | 39132441 |
| 512438 | Aug 10, 2001 | Aug 10, 2001 | T - C Oil Company | T-C Oil Co. - O'Connor #42 | 4,511 | 39100384 |
| 512437 | Aug 10, 2001 | Aug 10, 2001 | T - C Oil Company | O'Connor, Dennis et al -G- #G 7 | 4,800 | 39103802 |
| 512365 | Aug 10, 2001 | Aug 10, 2001 | Hilcorp Energy Company | Williams, Maude et al "A" #49 | 5,918 | 39100479 |
| 511998 | Aug 8, 2001 | Aug 8, 2001 | C & E Operating, Inc. | Thomson-Barrow Corp. C #25 | 6,500 | 39132439 |
| 511530 | Aug 8, 2001 | Aug 8, 2001 | T - C Oil Company | O'Connor -E- #E 8 | 3,327 | 39130202 |
| 512061 | Aug 7, 2001 | Aug 7, 2001 | Hilcorp Energy Company | Heard, Claude E. #13 | 5,925 | 39100551 |
| 512061Amendment | Aug 7, 2001 | Aug 7, 2001 | Hilcorp Energy Company | Heard, Claude E. #13 | 5,925 | 39100551 |
| 511982 | Aug 6, 2001 | Aug 6, 2001 | Pwi-Willco, Inc. | Pwi Willco, Inc. #1SD | 4,800 | 39132440 |
| 511979 | Aug 6, 2001 | Aug 6, 2001 | H & D Operating Company | Roche, K. D. "A" #9 | 6,855 | 39103139 |
| 512060 | Aug 3, 2001 | Aug 3, 2001 | Hilcorp Energy Company | Heard, Clement #24 | 7,808 | 39131588 |
| 512060Amendment | Aug 3, 2001 | Aug 3, 2001 | Hilcorp Energy Company | Heard, Clement #24 | 7,808 | 39131588 |
| 511966 | Jul 30, 2001 | Jul 30, 2001 | Beckham Resources, Inc. | Mitchell, John N. #1 | 8,745 | 39102750 |
| 511659 | Jul 27, 2001 | Jul 27, 2001 | Cummins & Walker Oil Co., Inc. | McGuill, J. #1 | 6,150 | 39132436 |
| 511657 | Jul 27, 2001 | Jul 27, 2001 | Wiser Oil Company, The | Roche #4 | 7,156 | 39132309 |
| 511913 | Jul 26, 2001 | Jul 26, 2001 | Laroco LLP | Rooke, B. D. #C 10 | 7,000 | 39132438 |
| 511912 | Jul 26, 2001 | Jul 26, 2001 | Laroco LLP | Rooke, B. D. #C 9 | 6,400 | 39132437 |
| 511912Amendment | Jul 26, 2001 | Jul 26, 2001 | Laroco LLP | Rooke, B. D. #C 9 | 6,400 | 39132437 |
| 511531 | Jul 18, 2001 | Jul 18, 2001 | C & E Operating, Inc. | Wood #5 | 6,500 | 39132435 |
| 511364 | Jul 18, 2001 | Jul 18, 2001 | Hilcorp Energy Company | O'Connor, Thomas "A" #97 | 5,900 | 39101579 |
| 511545 | Jul 17, 2001 | Jul 17, 2001 | Laroco LLP | Rooke, B. D. #C 11 | 5,500 | 39132434 |
| 511536 | Jul 17, 2001 | Jul 17, 2001 | Bishop Petroleum Inc. | O'Connor "E" #2 | 4,500 | 39132433 |
| 511036 | Jul 16, 2001 | Jul 16, 2001 | Wiser Oil Company, The | Welder "D" #8 | 6,360 | 39132141 |
| 511431 | Jul 13, 2001 | Jul 13, 2001 | Christopher Oil & Gas Inc | Schirmer-Buck "a" Unit #1 | 6,500 | 39132432 |
| 511431Amendment | Jul 13, 2001 | Jul 13, 2001 | Christopher Oil & Gas Inc | Schirmer-Buck "a" Unit #1 | 6,500 | 39132432 |
| 511411 | Jul 13, 2001 | Jul 13, 2001 | Bishop Petroleum Inc. | O'Connor "D" #2 | 4,000 | 39132430 |
| 511410 | Jul 13, 2001 | Jul 13, 2001 | Bishop Petroleum Inc. | O'Connor "I" #1 | 4,000 | 39132431 |
| 510022 | Jul 10, 2001 | Jul 10, 2001 | Chilton Energy | O'Brien, J. M. D & E -E- #1 | 2,560 | 39100929 |
| 510951 | Jul 6, 2001 | Jul 6, 2001 | Hilcorp Energy Company | Williams, Maude et al "A" #D 12 | 5,760 | 39100277 |
| 510720 | Jun 27, 2001 | Jun 27, 2001 | Copano Gas Unit | Copano Gas Unit #1 | 5,259 | 39103850 |
| 510616 | Jun 26, 2001 | Jun 26, 2001 | Christopher Oil & Gas Inc | Schirmer-Buck Unit #1 | 6,510 | 39132368 |
| 509532 | Jun 22, 2001 | Jun 22, 2001 | Hilcorp Energy Company | Heard, Mrs. Fannie V. W. #110 | 6,030 | 39131890 |
| 509530 | Jun 22, 2001 | Jun 22, 2001 | Hilcorp Energy Company | Heard, Mrs. Fannie V. W. #99 | 6,028 | 39131576 |
| 510603 | Jun 21, 2001 | Jun 21, 2001 | Choice Exploration, Inc. | Rooke #5A | 6,500 | 39132429 |
| 510020 | Jun 14, 2001 | Jun 14, 2001 | Chilton Energy | O'Brien, J. M. D & E -D- #1 | 2,290 | 39100936 |
| 510182 | Jun 13, 2001 | Jun 13, 2001 | Hilcorp Energy Company | O'Connor, Thomas "A" #90 | 5,910 | 39102029 |
| 510100 | Jun 12, 2001 | Jun 12, 2001 | T - C Oil Company | O'Connor, Dennis et al -L- #L 61 | 6,200 | 39132428 |
| 510108 | Jun 11, 2001 | Jun 11, 2001 | C & E Operating, Inc. | Welder Heirs A #12 | 6,500 | 39132427 |
| 510108Amendment | Jun 11, 2001 | Jun 11, 2001 | C & E Operating, Inc. | Welder Heirs A #12 | 6,600 | 39132427 |
| 509718 | Jun 8, 2001 | Jun 8, 2001 | Hilcorp Energy Company | Tom O'Connor (5800 SD) FLD Unit #P097 | 5,840 | 39101236 |
| 509716 | Jun 7, 2001 | Jun 7, 2001 | Hilcorp Energy Company | Tom O'Connor (5800 SD) FLD Unit #P142 | 6,032 | 39130599 |
| 509710 | Jun 7, 2001 | Jun 7, 2001 | Hilcorp Energy Company | Tom O'Connor (5800 SD) FLD Unit #P055 | 5,915 | 39101432 |
| 509637 | Jun 1, 2001 | Jun 1, 2001 | Hilcorp Energy Company | Tom O'Connor (5800 SD) FLD Unit #P050 | 5,905 | 39101428 |
| 509635 | Jun 1, 2001 | Jun 1, 2001 | Hilcorp Energy Company | Tom O'Connor (5800 SD) FLD Unit #P145 | 6,112 | 39131310 |
| 509551 | Jun 1, 2001 | Jun 1, 2001 | Cummins & Walker Oil Co., Inc. | Barber Ranch #2 | 6,900 | 39132399 |
| 509534 | Jun 1, 2001 | Jun 1, 2001 | Chilton Energy | O'Brien, J. M. a (AM) #1 | 2,270 | 39100883 |
| 509514 | Jun 1, 2001 | Jun 1, 2001 | Chilton Energy | O'Brien, J. M. J-1 (AR) #1 | 4,300 | 39100854 |
| 509408 | Jun 1, 2001 | Jun 1, 2001 | Hilcorp Energy Company | Heard, Wilson "B" #3 | 5,961 | 39100747 |
| 509547 | May 30, 2001 | May 30, 2001 | C & E Operating, Inc. | Welder Heirs B #11 | 6,500 | 39132426 |
| 509510 | May 30, 2001 | May 30, 2001 | Hilcorp Energy Company | Williams, Maude et al "A" #D 90 | 7,927 | 39130596 |
| 509510Amendment | May 30, 2001 | May 30, 2001 | Hilcorp Energy Company | Williams, Maude et al "A" #D 90 | 7,927 | 39130596 |
| 506989 | May 21, 2001 | May 21, 2001 | H & D Operating Company | Roche, K. D. A #41 | 6,832 | 39103160 |
| 506988 | May 21, 2001 | May 21, 2001 | H & D Operating Company | Roche, K. D. A #24 | 6,840 | 39103151 |
| 509050 | May 17, 2001 | May 17, 2001 | C & E Operating, Inc. | Wood #4 | 6,500 | 39132424 |
| 509049 | May 17, 2001 | May 17, 2001 | C & E Operating, Inc. | Thomson-Barrow Corp. C #24 | 6,500 | 39132425 |
| 509006 | May 15, 2001 | May 15, 2001 | Setex Oil and Gas Company | Huff GU 1 #8 | 3,300 | 39131833 |
| 508775 | May 11, 2001 | May 11, 2001 | Hilcorp Energy Company | O'Connor, Thomas "A" #99 | 5,900 | 39102033 |
| 508559 | May 8, 2001 | May 8, 2001 | Simray Oil & Gas, Inc. | Schirmer, Henry #4 | 6,250 | 39103612 |
| 508507 | May 4, 2001 | May 4, 2001 | C & E Operating, Inc. | Welder Heirs #6 | 6,350 | 39132365 |
| 508506 | May 4, 2001 | May 4, 2001 | C & E Operating, Inc. | Rooke, F. B. 4 #2 | 7,500 | 39132324 |
| 508112 | Apr 27, 2001 | Apr 27, 2001 | T - C Oil Company | O'Connor -H- #H 27 | 2,400 | 39131971 |
| 508121 | Apr 24, 2001 | Apr 24, 2001 | C & E Operating, Inc. | Welder Heirs A-10 #10 | 6,350 | 39132423 |
| 508089 | Apr 23, 2001 | Apr 23, 2001 | Wofford, C. J. | Rooke "B" #5 | 6,700 | 39132422 |
| 508089Amendment | Apr 23, 2001 | Apr 23, 2001 | Wofford, C. J. | Rooke "B" #5 | 6,700 | 39132422 |
| 508057 | Apr 23, 2001 | Apr 23, 2001 | McCarter, W. B. Jr. | Campbell, Dudley T. #1R | 1,550 | 39132421 |
| 507289 | Apr 23, 2001 | Apr 23, 2001 | Neumin Production Company | Williams #1 | 6,500 | 39132391 |
| 507606 | Apr 16, 2001 | Apr 16, 2001 | C & E Operating, Inc. | Welder Heirs #5 | 6,350 | 39132420 |
| 507694 | Apr 11, 2001 | Apr 11, 2001 | Wofford, C. J. | Rooke "B" #1 | 5,200 | 39132236 |
| 507682 | Apr 11, 2001 | Apr 11, 2001 | Anaqua Oil & Gas, Inc. | Messer #1 | 6,400 | 39132419 |
| 507682Amendment | Apr 11, 2001 | Apr 11, 2001 | Acock Engineering & Assoc., Inc. | Messer #1 | 6,400 | 39132419 |
| 507614 | Apr 11, 2001 | Apr 11, 2001 | Hilcorp Energy Company | Heard, Clement #1 | 5,911 | 39100838 |
| 507614Amendment | Apr 11, 2001 | Apr 11, 2001 | Hilcorp Energy Company | Tom O'Connor 4400 Sand Gas Unit #Q501 | 5,911 | 39100838 |
| 507418 | Apr 5, 2001 | Apr 5, 2001 | Cummins & Walker Oil Co., Inc. | McGuill Unit #1 | 6,150 | 39132418 |
| 506571 | Apr 5, 2001 | Apr 5, 2001 | Pwi-Willco, Inc. | Strauch, George #1A | 4,600 | 39102328 |