| 539061 | Dec 3, 2003 | Dec 3, 2003 | TE-Ray Resources, Inc | Welder "B" #11 | 8,425 | 05731449 |
| 538965 | Nov 24, 2003 | Nov 24, 2003 | C & E Operating, Inc. | McDonald-Hahn #2 | 11,000 | 05731655 |
| 536861 | Sep 29, 2003 | Sep 29, 2003 | C & E Operating, Inc. | Hahn A #1 | 8,900 | 05731654 |
| 536465 | Sep 15, 2003 | Sep 15, 2003 | Brigham Oil & Gas, L.P. | Trull 'B' #2 | 9,500 | 05731653 |
| 536304 | Sep 11, 2003 | Sep 11, 2003 | Allegro Investments, Inc. | Cliburn #1 | 2,000 | 05731652 |
| 536304Amendment | Sep 11, 2003 | Sep 11, 2003 | Allegro Investments, Inc. | Cliburn "A" #1 | 2,000 | 05731652 |
| 536303 | Sep 11, 2003 | Sep 11, 2003 | Allegro Investments, Inc. | Cliburn #2 | 2,000 | 05731651 |
| 536303Amendment | Sep 11, 2003 | Sep 11, 2003 | Allegro Investments, Inc. | Cliburn "B" #2 | 2,000 | 05731651 |
| 536195 | Sep 8, 2003 | Sep 8, 2003 | Petro-Guard Production,l.l.c. | State Tract 198 #1 | 10,500 | 05731650 |
| 535572 | Aug 20, 2003 | Aug 20, 2003 | Gruy Petroleum Management Co. | Traylor, Maude B. #29 | 8,100 | 05731536 |
| 534740 | Jul 29, 2003 | Jul 29, 2003 | Kebo Oil & Gas, Inc. | Trull #1 | 9,000 | 05731649 |
| 534740Amendment | Jul 29, 2003 | Jul 29, 2003 | Kebo Oil & Gas, Inc. | Trull #1 | 9,000 | 05731649 |
| 533064 | Jun 12, 2003 | Jun 12, 2003 | Neumin Production Company | State Tract 89 #2 | 10,500 | 05731648 |
| 532259 | May 27, 2003 | May 27, 2003 | C & E Operating, Inc. | Henke #2 | 4,000 | 05731647 |
| 532010 | May 20, 2003 | May 20, 2003 | C & E Operating, Inc. | Hahn #3 | 8,800 | 05731646 |
| 531709 | May 9, 2003 | May 9, 2003 | Continental Trend Resources, Inc | State Tract 78 GU #1 | 15,000 | 05731619 |
| 531709Amendment | May 9, 2003 | May 9, 2003 | Continental Trend Resources, Inc | State Tract 78 GU #1 | 15,000 | 05731619 |
| 531207 | May 5, 2003 | May 5, 2003 | Cummins & Walker Oil Co., Inc. | P. W. L. R. "A" #5 | 7,000 | 05731645 |
| 531050 | Apr 23, 2003 | Apr 23, 2003 | Neumin Production Company | State Tract 79 #3 | 9,500 | 05731644 |
| 531050Amendment | Apr 23, 2003 | Apr 23, 2003 | Neumin Production Company | State Tract 79 #3 | 9,500 | 05731644 |
| 530350 | Apr 4, 2003 | Apr 4, 2003 | Neumin Production Company | State Tract 99 #3 | 10,500 | 05731643 |
| 530350Amendment | Apr 4, 2003 | Apr 4, 2003 | Neumin Production Company | State Tract 99 #3 | 10,500 | 05731643 |
| 529276 | Mar 6, 2003 | Mar 6, 2003 | Cummins & Walker Oil Co., Inc. | P.W.L.R. #3 | 7,658 | 05731642 |
| 529261 | Mar 6, 2003 | Mar 6, 2003 | Kebo Oil & Gas, Inc. | Hahn #4 | 7,500 | 05731641 |
| 529261Amendment | Mar 6, 2003 | Mar 6, 2003 | Kebo Oil & Gas, Inc. | Hahn #4 | 7,500 | 05731641 |
| 529260 | Mar 6, 2003 | Mar 6, 2003 | Kebo Oil & Gas, Inc. | Hahn #3 | 7,500 | 05731640 |
| 529260Amendment | Mar 6, 2003 | Mar 6, 2003 | Kebo Oil & Gas, Inc. | Hahn #3 | 7,500 | 05731640 |
| 529082 | Mar 5, 2003 | Mar 5, 2003 | Gruy Petroleum Management Co. | Traylor, Maude B. #28 | 14,500 | 05731527 |
| 529082Amendment | Mar 5, 2003 | Mar 5, 2003 | Gruy Petroleum Management Co. | Traylor, Maude B. #28 | 14,500 | 05731527 |
| 529082Amendment | Mar 5, 2003 | Mar 5, 2003 | Gruy Petroleum Management Co. | Traylor, Maude B. #28 | 14,500 | 05731527 |
| 528844 | Feb 27, 2003 | Feb 27, 2003 | Cummins & Walker Oil Co., Inc. | BP Chemicals #2 | 7,000 | 05731639 |
| 528504 | Feb 24, 2003 | Feb 24, 2003 | Dewbre Petroleum Corporation | State Tract 46 #1 | 9,000 | 05701178 |
| 528286 | Feb 11, 2003 | Feb 11, 2003 | C & E Operating, Inc. | Tpic #2 | 8,000 | 05731638 |
| 527414 | Jan 27, 2003 | Jan 27, 2003 | Corum Production Company | Sells, K. #1022 | 9,000 | 05731637 |
| 536047 | Dec 30, 2002 | Dec 30, 2002 | C & E Operating, Inc. | Hahn #1 R | 8,600 | 05731626 |
| 555332 | Dec 23, 2002 | Dec 23, 2002 | Xeric Oil & Gas Corporation | Knipling Gas Unit #4 | 9,300 | 05731239 |
| 525739 | Nov 25, 2002 | Nov 25, 2002 | Neumin Production Company | State Tract 90 #6 | 10,550 | 05731538 |
| 525162 | Nov 4, 2002 | Nov 4, 2002 | C & E Operating, Inc. | McDonald-Hahn #1 | 9,000 | 05731636 |
| 525162Amendment | Nov 4, 2002 | Nov 4, 2002 | C & E Operating, Inc. | McDonald-Hahn #1 | 9,000 | 05731636 |
| 524937 | Oct 28, 2002 | Oct 28, 2002 | Sterling Expl. & Prod. Co., LLC | State Tract 130 #1 | 1,600 | 05731352 |
| 524937Amendment | Oct 28, 2002 | Oct 28, 2002 | Sterling Expl. & Prod. Co., LLC | State Tract 130 #1 | 5,800 | 05731352 |
| 524777 | Oct 18, 2002 | Oct 18, 2002 | Cameron Engineering, Inc | Traylor, Maude B. #12 | 9,439 | 05731381 |
| 524336 | Oct 14, 2002 | Oct 14, 2002 | Dewbre Petroleum Corporation | Hardie-State Unit #1 | 10,500 | 05731634 |
| 524507 | Oct 10, 2002 | Oct 10, 2002 | Kebo Oil & Gas, Inc. | Hahn #2 | 7,500 | 05731635 |
| 524507Amendment | Oct 10, 2002 | Oct 10, 2002 | Kebo Oil & Gas, Inc. | Hahn #2 | 7,500 | 05731635 |
| 523605 | Sep 13, 2002 | Sep 13, 2002 | Aroc (Texas) Inc. | State Tract 216 #16 | 4,795 | 05731583 |
| 523348 | Sep 5, 2002 | Sep 5, 2002 | Cummins & Walker Oil Co., Inc. | P.W.L.R. #2 | 6,350 | 05731633 |
| 523087 | Aug 23, 2002 | Aug 23, 2002 | Neumin Production Company | State Tract 99 #2 | 9,500 | 05731632 |
| 522148 | Jul 25, 2002 | Jul 25, 2002 | C & E Operating, Inc. | Tpic #1 | 9,500 | 05731631 |
| 522148Amendment | Jul 25, 2002 | Jul 25, 2002 | C & E Operating, Inc. | Tpic #1 | 9,000 | 05731631 |
| 522148Amendment | Jul 25, 2002 | Jul 25, 2002 | C & E Operating, Inc. | Tpic #1 | 9,500 | 05731631 |
| 522145 | Jul 25, 2002 | Jul 25, 2002 | C & E Operating, Inc. | Henke #1 | 9,000 | 05731630 |
| 522145Amendment | Jul 25, 2002 | Jul 25, 2002 | C & E Operating, Inc. | Henke #1 | 9,000 | 05731630 |
| 521886 | Jul 22, 2002 | Jul 22, 2002 | Corum Production Company | Haines #2 | 9,000 | 05731611 |
| 521547 | Jul 2, 2002 | Jul 2, 2002 | Neumin Production Company | State Tract 89 #1 | 10,000 | 05731629 |
| 521101 | Jun 19, 2002 | Jun 19, 2002 | C & E Operating, Inc. | Hahn #2 | 9,000 | 05731628 |
| 521101Amendment | Jun 19, 2002 | Jun 19, 2002 | C & E Operating, Inc. | Hahn #2 | 9,000 | 05731628 |
| 520672 | Jun 11, 2002 | Jun 11, 2002 | C & E Operating, Inc. | Shannon Gas Unit #1 | 11,500 | 05731627 |
| 519069 | Apr 15, 2002 | Apr 15, 2002 | C & E Operating, Inc. | Hahn #1 | 9,500 | 05731626 |
| 519069Amendment | Apr 15, 2002 | Apr 15, 2002 | C & E Operating, Inc. | Hahn #1 | 9,500 | 05731626 |
| 518903 | Apr 9, 2002 | Apr 9, 2002 | C & E Operating, Inc. | Williams #1 | 9,500 | 05731625 |
| 518903Amendment | Apr 9, 2002 | Apr 9, 2002 | C & E Operating, Inc. | Williams #1 | 9,500 | 05731625 |
| 518733 | Apr 2, 2002 | Apr 2, 2002 | Kebo Oil & Gas, Inc. | Hahn #1 | 9,500 | 05731624 |
| 518598 | Mar 27, 2002 | Mar 27, 2002 | Corum Production Company | Griffith, L. B. #1 | 9,000 | 05731623 |
| 518086 | Mar 5, 2002 | Mar 5, 2002 | Cummins & Walker Oil Co., Inc. | BP Chemicals #1 | 6,300 | 05731622 |
| 517230 | Feb 6, 2002 | Feb 6, 2002 | Cummins & Walker Oil Co., Inc. | P.W.L.R. #1 | 7,200 | 05731621 |
| 516820 | Jan 22, 2002 | Jan 22, 2002 | Aroc (Texas) Inc. | State Tract 216 #5 | 5,343 | 05731007 |
| 515349 | Nov 14, 2001 | Nov 14, 2001 | Neumin Production Company | State Tract 64 #1 | 11,000 | 05731620 |
| 514101 | Oct 10, 2001 | Oct 10, 2001 | Penn Virginia Oil & Gas Corp. | McDonald, A. B. #1 | 9,497 | 05700270 |
| 513889 | Sep 24, 2001 | Sep 24, 2001 | Continental Trend Resources, Inc | State Tract 78 GU #1 | 15,000 | 05731619 |
| 513889Amendment | Sep 24, 2001 | Sep 24, 2001 | Continental Trend Resources, Inc | State Tract 78 GU #1 | 15,000 | 05731619 |
| 511664 | Jul 20, 2001 | Jul 20, 2001 | Burlington Resources O & G Co LP | Traylor, Maude B., North (30) #8L | 8,720 | 05730334 |
| 511059 | Jul 19, 2001 | Jul 19, 2001 | Dewbre Petroleum Corporation | State Tract 45 #1 | 9,000 | 05701177 |
| 510365 | Jun 15, 2001 | Jun 15, 2001 | Dale Operating Company | Foester, L. J. #1 | 3,000 | 05731618 |
| 510092 | Jun 13, 2001 | Jun 13, 2001 | Sterling Expl. & Prod. Co., LLC | State Tract 130 #2 | 2,902 | 05731367 |
| 510092Amendment | Jun 13, 2001 | Jun 13, 2001 | Sterling Expl. & Prod. Co., LLC | State Tract 130 #2 | 1,900 | 05731367 |
| 510092Amendment | Jun 13, 2001 | Jun 13, 2001 | Sterling Expl. & Prod. Co., LLC | State Tract 130 #2 | 5,850 | 05731367 |
| 509867 | Jun 5, 2001 | Jun 5, 2001 | Union Oil Company of California | Aquamarine Unit #1 | 13,000 | 05731600 |
| 508501 | May 8, 2001 | May 8, 2001 | St. Mary Energy Company | Cliburn-Welder #2 | 2,000 | 05731617 |
| 508500 | May 8, 2001 | May 8, 2001 | St. Mary Energy Company | Cliburn-Welder #1 | 2,000 | 05731616 |
| 507922 | Apr 18, 2001 | Apr 18, 2001 | Petro-Guard Production,l.l.c. | State Tract 176 #5 | 3,000 | 05731615 |
| 507845 | Apr 16, 2001 | Apr 16, 2001 | Petro-Guard Production,l.l.c. | State Tract -210- #6 | 11,968 | 05731597 |
| 506012 | Apr 3, 2001 | Apr 3, 2001 | Corum Production Company | Brooking, M. T. #1 | 9,800 | 05731458 |
| 507212 | Mar 30, 2001 | Mar 30, 2001 | Allegro Investments, Inc. | Cole #1 | 9,200 | 05731614 |
| 504857 | Feb 13, 2001 | Feb 13, 2001 | Petro-Guard Production,l.l.c. | State Tract 210 #5 | 6,200 | 05731578 |
| 503479 | Jan 22, 2001 | Jan 22, 2001 | Prize Operating Company | Traylor, Maude B. #30 | 8,200 | 05731547 |
| 503479Amendment | Jan 22, 2001 | Jan 22, 2001 | Prize Operating Company | Traylor, Maude B. #30 | 8,200 | 05731547 |
| 503952 | Jan 12, 2001 | Jan 12, 2001 | Texas Petroleum Investment Co. | Boyd, Frank #1 | 5,765 | 05700513 |
| 503707 | Jan 5, 2001 | Jan 5, 2001 | Prime Operating Company | Ani #1 | 5,100 | 05731613 |
| 502696 | Dec 6, 2000 | Dec 6, 2000 | Teamco Operating LLC | A.N.I. #1 | 5,950 | 05731612 |
| 502356 | Nov 29, 2000 | Nov 29, 2000 | Corum Production Company | Haines #2 | 9,000 | 05731611 |
| 502356Amendment | Nov 29, 2000 | Nov 29, 2000 | Corum Production Company | Haines #2 | 9,000 | 05731611 |
| 502172 | Nov 20, 2000 | Nov 20, 2000 | Vintage Petroleum, Inc. | State Tract 117 #3 | 10,001 | 05731479 |
| 501650 | Nov 20, 2000 | Nov 20, 2000 | Neumin Production Company | Aluminum Co. of America (Fee) #11 | 12,000 | 05731370 |
| 499618 | Oct 25, 2000 | Oct 25, 2000 | Cet Energy Corporation | Welder, P. H. "B" #7 | 3,446 | 05700071 |
| 499618Amendment | Oct 25, 2000 | Oct 25, 2000 | Cet Energy Corporation | Welder, P. H. "B" #7 | 3,446 | 05700071 |
| 500360 | Oct 3, 2000 | Oct 3, 2000 | Prize Operating Company | Traylor, Maude B. #29 | 8,100 | 05731536 |
| 498271 | Aug 9, 2000 | Aug 9, 2000 | Transtexas Gas Corporation | A.N.I. Gas Unit 1 #1R | 7,000 | 05731610 |
| 497102 | Jul 12, 2000 | Jul 12, 2000 | Cockrell Oil Corporation | Aquamarine Unit #2 | 11,000 | 05731609 |
| 495917 | Jun 7, 2000 | Jun 7, 2000 | Atasca Resources, Inc. | Welder "B" #14 | 8,400 | 05731509 |