| 495915 | Jun 7, 2000 | Jun 7, 2000 | Atasca Resources, Inc. | Welder "B" #15 | 8,000 | 05731510 |
| 492769 | Mar 27, 2000 | Mar 27, 2000 | Petro-Guard Production,l.l.c. | State Tract 216 #6 | 4,540 | 05731047 |
| 492769Amendment | Mar 27, 2000 | Mar 27, 2000 | Petro-Guard Production,l.l.c. | State Tract 216 #6 | 4,540 | 05731047 |
| 492770 | Mar 20, 2000 | Mar 20, 2000 | Petro-Guard Production,l.l.c. | State Tract 216 #4 | 5,662 | 05730949 |
| 492257 | Feb 18, 2000 | Feb 18, 2000 | Neumin Production Company | Melbourn, Helen Est. #1801 | 9,500 | 05731608 |
| 491158 | Feb 8, 2000 | Feb 8, 2000 | Esenjay Exploration, Inc | State Tract No. 77 #3 | 8,250 | 05731589 |
| 490948 | Feb 8, 2000 | Feb 8, 2000 | Corum Production Company | Brooking, M. T. #1 | 8,687 | 05731458 |
| 490948Amendment | Feb 8, 2000 | Feb 8, 2000 | Corum Production Company | Brooking, M. T. #1 | 8,978 | 05731458 |
| 491354 | Feb 3, 2000 | Feb 3, 2000 | Petro-Guard Production,l.l.c. | State Tract 216 #19 | 6,000 | 05731607 |
| 491592 | Feb 2, 2000 | Feb 2, 2000 | Petro-Guard Production,l.l.c. | State Tract 216 #5 | 5,618 | 05731007 |
| 491592Amendment | Feb 2, 2000 | Feb 2, 2000 | Petro-Guard Production,l.l.c. | State Tract 216 #5 | 5,618 | 05731007 |
| 487363 | Jan 26, 2000 | Jan 26, 2000 | Sterling Expl. & Prod. Co., LLC | State Tract 106 #1A | 5,721 | 05700901 |
| 487364 | Jan 25, 2000 | Jan 25, 2000 | Sterling Expl. & Prod. Co., LLC | State Tract 106 #2 | 5,936 | 05731235 |
| 487364Amendment | Jan 25, 2000 | Jan 25, 2000 | Sterling Expl. & Prod. Co., LLC | State Tract 106, N/2 #2 | 5,936 | 05731235 |
| 490909 | Jan 24, 2000 | Jan 24, 2000 | Petro-Guard Production,l.l.c. | State Tract 216 #2 | 6,332 | 05730293 |
| 491171 | Jan 18, 2000 | Jan 18, 2000 | Transtexas Gas Corporation | A. N. I. Gas Unit 1 #1 | 7,000 | 05731606 |
| 490962 | Jan 10, 2000 | Jan 10, 2000 | Neumin Production Company | State Tract 228 #1 | 10,700 | 05731605 |
| 490501 | Dec 22, 1999 | Dec 22, 1999 | Petro-Guard Production,l.l.c. | State Tract 224 #1 | 6,000 | 05731604 |
| 490501Amendment | Dec 22, 1999 | Dec 22, 1999 | Petro-Guard Production,l.l.c. | State Tract 224 #1 | 6,000 | 05731604 |
| 490453 | Dec 20, 1999 | Dec 20, 1999 | Atasca Resources, Inc. | Welder, P. H. "B" #9L | 8,375 | 05731040 |
| 490467 | Dec 17, 1999 | Dec 17, 1999 | Pitco Investments, Ltd. | Powderhorn Ranch #1 | 10,150 | 05730876 |
| 490359 | Dec 14, 1999 | Dec 14, 1999 | Transtexas Gas Corporation | A.N.I. Gas Unit 1 #1 | 7,000 | 05731603 |
| 489944 | Dec 3, 1999 | Dec 3, 1999 | Synergy Oil & Gas, Inc. (A) | Knipling Gas Unit #1 | 9,296 | 05730883 |
| 489821 | Nov 24, 1999 | Nov 24, 1999 | Transtexas Gas Corporation | American National Ins. Co. #5 | 7,000 | 05731602 |
| 489061 | Nov 16, 1999 | Nov 16, 1999 | Corum Production Company | Brooking, M T #1 | 9,800 | 05731458 |
| 488848 | Nov 3, 1999 | Nov 3, 1999 | Synergy Oil & Gas, Inc. (A) | Welder, P. H. "C" #7 | 5,495 | 05700092 |
| 488491 | Oct 19, 1999 | Oct 19, 1999 | McGowan Working Partners | Bennett, W. H. #A 1 | 8,416 | 05731521 |
| 488163 | Oct 4, 1999 | Oct 4, 1999 | Transtexas Gas Corporation | American National Ins. Co. #4 | 7,000 | 05731601 |
| 487966 | Sep 30, 1999 | Sep 30, 1999 | Neumin Production Company | State Tract 26 #3 | 10,500 | 05701311 |
| 487397 | Sep 23, 1999 | Sep 23, 1999 | Texas Independent Explor., Inc. | Mueller, A. W. Heirs #1C | 9,600 | 05731503 |
| 487125 | Sep 7, 1999 | Sep 7, 1999 | Cockrell Oil Corporation | Aquamarine Unit #1 | 11,525 | 05731600 |
| 525177 | Aug 31, 1999 | Aug 31, 1999 | Vintage Petroleum, Inc. | State Tract 116 #1A | 9,366 | 05701297 |
| 525177Amendment | Aug 31, 1999 | Aug 31, 1999 | Vintage Petroleum, Inc. | State Tract 116 #1A | 9,366 | 05701297 |
| 486119 | Aug 24, 1999 | Aug 24, 1999 | Sterling Expl. & Prod. Co., LLC | State Tract 106, S/2 #1 | 6,000 | 05731599 |
| 486119Amendment | Aug 24, 1999 | Aug 24, 1999 | Sterling Expl. & Prod. Co., LLC | State Tract 106, S/2 #1 | 5,366 | 05731599 |
| 486145 | Aug 6, 1999 | Aug 6, 1999 | Neumin Production Company | State Tract 26 #5 | 9,908 | 05731242 |
| 485671 | Jul 20, 1999 | Jul 20, 1999 | Petro-Guard Production,l.l.c. | State Tract -210- #6 | 13,490 | 05731597 |
| 485671Amendment | Jul 20, 1999 | Jul 20, 1999 | McMoran Oil & Gas LLC | State Tract 210 #6 | 13,500 | 05731597 |
| 485085 | Jun 10, 1999 | Jun 10, 1999 | Energy Development Corp. | Powderhorn Ranch #1 | 10,380 | 05730876 |
| 484755 | Jun 2, 1999 | Jun 2, 1999 | Petro-Guard Production,l.l.c. | State Tract 216 #5U | 5,618 | 05731007 |
| 484159 | May 5, 1999 | May 5, 1999 | Sterling Expl. & Prod. Co., LLC | State Tract 87 #1 | 6,000 | 05731596 |
| 484052 | May 3, 1999 | May 3, 1999 | Corum Production Company | Sells, Katherine Maude #1 | 8,730 | 05700631 |
| 483654 | Apr 6, 1999 | Apr 6, 1999 | Sterling Expl. & Prod. Co., LLC | State Tract 72 #1 | 8,800 | 05731595 |
| 483553 | Mar 30, 1999 | Mar 30, 1999 | Unit Petroleum Company | Welder "A" #53 | 8,600 | 05731567 |
| 482546 | Feb 17, 1999 | Feb 17, 1999 | Texas Petroleum Investment Co. | Maxwell, Mrs. Maude B. #1 | 5,760 | 05700514 |
| 481906 | Jan 6, 1999 | Jan 6, 1999 | Tri-Union Development Corp. | State Tract 562-L #2 | 9,000 | 70330331 |
| 481286 | Dec 9, 1998 | Dec 9, 1998 | Bois D'arc Operating Corporation | State Tract 136 #1 | 7,000 | 05731594 |
| 480761 | Nov 20, 1998 | Nov 20, 1998 | Unit Petroleum Company | Welder "A" #53 | 8,600 | 05731567 |
| 480761Amendment | Nov 20, 1998 | Nov 20, 1998 | Unit Petroleum Company | Welder "A" #53 | 8,600 | 05731567 |
| 480950 | Nov 17, 1998 | Nov 17, 1998 | Petro-Guard Production,l.l.c. | State Tract 215 #1 | 6,500 | 05730818 |
| 479943 | Oct 6, 1998 | Oct 6, 1998 | Vintage Petroleum, Inc. | State Tract 125 #1A | 3,700 | 05731593 |
| 479693 | Sep 30, 1998 | Sep 30, 1998 | Texas Petroleum Investment Co. | Boyd, Frank #2 | 5,763 | 05700512 |
| 478522 | Aug 5, 1998 | Aug 5, 1998 | Esenjay Petroleum Corp. | State Tract No. 76 #1 | 10,500 | 05731592 |
| 478204 | Jul 23, 1998 | Jul 23, 1998 | Petro-Guard Production,l.l.c. | State of Texas #1 | 6,100 | 05731591 |
| 478187 | Jul 22, 1998 | Jul 22, 1998 | Petro-Guard Production,l.l.c. | Matagorda Isl. St. Tr. "I-1" #1 | 7,759 | 05731590 |
| 478065 | Jul 17, 1998 | Jul 17, 1998 | Esenjay Petroleum Corp. | State Tract NO.77 #3 | 10,500 | 05731589 |
| 477777 | Jul 8, 1998 | Jul 8, 1998 | Petro-Guard Production,l.l.c. | Espiritu Santo Bay St. Tr. 176 #4D | 2,000 | 05731228 |
| 477778 | Jul 7, 1998 | Jul 7, 1998 | Petro-Guard Production,l.l.c. | Espiritu Santo Bay St. TR 177 #5D | 1,850 | 05731330 |
| 477742 | Jul 7, 1998 | Jul 7, 1998 | Texas Petroleum Investment Co. | Boyd, Henry C. #2 | 5,760 | 05700510 |
| 477528 | Jun 30, 1998 | Jun 30, 1998 | Bois D'arc Operating Corporation | State Tract 141 #1 | 6,500 | 05731588 |
| 477454 | Jun 26, 1998 | Jun 26, 1998 | Vintage Petroleum, Inc. | State Tract 116 #1A | 9,300 | 05701297 |
| 477454Amendment | Jun 26, 1998 | Jun 26, 1998 | Vintage Petroleum, Inc. | State Tract 116 #1A | 9,600 | 05701297 |
| 477372 | Jun 24, 1998 | Jun 24, 1998 | Tschoepe, Arthur J. | Wehmeyer Est. #2 | 9,500 | 05731226 |
| 476680 | Jun 4, 1998 | Jun 4, 1998 | Atasca Resources, Inc. | Welder B #2 | 8,900 | 05730875 |
| 476679 | Jun 4, 1998 | Jun 4, 1998 | Unit Petroleum Company | Welder, E. H. #56 | 6,611 | 05731549 |
| 476787 | Jun 2, 1998 | Jun 2, 1998 | Famcor Oil, Inc | Claudius Branch #1 | 6,500 | 05731587 |
| 476684 | May 28, 1998 | May 28, 1998 | Exxon Corp. | Hardie, Elizabeth K. #18 | 8,299 | 05731325 |
| 475888 | May 1, 1998 | May 1, 1998 | Petro-Guard Production,l.l.c. | State Tract -216- #18 | 6,200 | 05731586 |
| 475888Amendment | May 1, 1998 | May 1, 1998 | Petro-Guard Production,l.l.c. | State Tract -216- #18 | 6,200 | 05731586 |
| 475888Amendment | May 1, 1998 | May 1, 1998 | Petro-Guard Production,l.l.c. | State Tract -216- #18 | 6,200 | 05731586 |
| 475888Amendment | May 1, 1998 | May 1, 1998 | Petro-Guard Production,l.l.c. | State Tract -216- #18 | 6,200 | 05731586 |
| 475837 | Apr 30, 1998 | Apr 30, 1998 | Petro-Guard Production,l.l.c. | State Tract 164 #4 | 9,600 | 05731584 |
| 475837Amendment | Apr 30, 1998 | Apr 30, 1998 | Petro-Guard Production,l.l.c. | State Tract 164 #4 | 10,800 | 05731584 |
| 475836 | Apr 30, 1998 | Apr 30, 1998 | Petro-Guard Production,l.l.c. | State Tract -173- #2 | 5,950 | 05731585 |
| 475201 | Apr 9, 1998 | Apr 9, 1998 | Petro-Guard Production,l.l.c. | State Tract -216- #16 | 6,200 | 05731583 |
| 474581 | Apr 6, 1998 | Apr 6, 1998 | Synergy Oil & Gas, Inc. (A) | Knipling Gas Unit #3 | 9,036 | 05730262 |
| 474810 | Mar 27, 1998 | Mar 27, 1998 | Petro-Guard Production,l.l.c. | State Tract -216- #17 | 6,200 | 05731581 |
| 474378 | Mar 26, 1998 | Mar 26, 1998 | Prime Operating Company | State Tract 90 #1U | 6,500 | 05731569 |
| 474429 | Mar 17, 1998 | Mar 17, 1998 | Petro-Guard Production,l.l.c. | State Tract -215- #2 | 6,100 | 05731580 |
| 473550 | Feb 19, 1998 | Feb 19, 1998 | Adobe Energy, Inc. | American National Ins. Co #4 | 7,000 | 05731579 |
| 473396 | Feb 17, 1998 | Feb 17, 1998 | Burlington Resources Oil&gas Co. | Traylor, Maude B. "B" #B 6 | 13,352 | 05731553 |
| 473270 | Feb 12, 1998 | Feb 12, 1998 | Petro-Guard Production,l.l.c. | State Tract -210- #5 | 6,200 | 05731578 |
| 472986 | Feb 5, 1998 | Feb 5, 1998 | Unit Petroleum Company | Welder "D" #3 | 6,500 | 05731577 |
| 470683 | Dec 1, 1997 | Dec 1, 1997 | Prime Operating Company | Degolyer #11 | 3,150 | 05731576 |
| 469513 | Nov 13, 1997 | Nov 13, 1997 | San Patricio Corporation | Bennett, W. H. #A 2 | 7,445 | 05731530 |
| 469628 | Nov 12, 1997 | Nov 12, 1997 | McGowan Working Partners | Bennett, W. H. #A 1 | 8,416 | 05731521 |
| 469746 | Nov 7, 1997 | Nov 7, 1997 | Unit Petroleum Company | Welder "A" #54 | 6,500 | 05731574 |
| 469745 | Nov 7, 1997 | Nov 7, 1997 | Unit Petroleum Company | Welder "A" #55 | 6,500 | 05731575 |
| 469745Amendment | Nov 7, 1997 | Nov 7, 1997 | Unit Petroleum Company | Welder "A" #55 | 6,700 | 05731575 |
| 469744 | Nov 7, 1997 | Nov 7, 1997 | Unit Petroleum Company | Welder "A" #56 | 6,500 | 05731573 |
| 468320 | Oct 29, 1997 | Oct 29, 1997 | Esenjay Petroleum Corp. | State Tract No. 77 #2 | 8,900 | 05731572 |
| 468320Amendment | Oct 29, 1997 | Oct 29, 1997 | Esenjay Exploration, Inc | State Tract #7702 | 8,900 | 05731572 |
| 466999 | Oct 21, 1997 | Oct 21, 1997 | Atasca Resources, Inc. | Welder B #15 | 7,970 | 05731510 |
| 468817 | Oct 16, 1997 | Oct 16, 1997 | Pioneer Resources Producing, L.P | Traylor, Maude B. #35 | 9,000 | 05731571 |
| 468048 | Sep 25, 1997 | Sep 25, 1997 | Neumin Production Company | State Tract 38 #6 | 13,500 | 05731523 |
| 467507 | Sep 16, 1997 | Sep 16, 1997 | Parker & Parsley Producing L.P. | Traylor, Maude B. #34 | 9,000 | 05731570 |
| 466947 | Aug 29, 1997 | Aug 29, 1997 | Prime Operating Company | State Tract 90 #1 | 6,812 | 05731569 |
| 466818 | Aug 28, 1997 | Aug 28, 1997 | Unit Petroleum Company | Welder "D" #2 | 6,500 | 05731568 |
| 466681 | Aug 27, 1997 | Aug 27, 1997 | Unit Petroleum Company | Welder #A 53 | 8,600 | 05731567 |
| 466654 | Aug 22, 1997 | Aug 22, 1997 | Prime Operating Company | Powderhorn Ranch #1 | 4,966 | 05731566 |