| 498582 | Aug 17, 2000 | Aug 17, 2000 | Hunt Oil Company | White, J. M. #400338666 | 6,500 |
| 498540 | Aug 17, 2000 | Aug 17, 2000 | Exxon Mobil Corporation | State University 'GA' #100336073 | 8,600 |
| 498518 | Aug 16, 2000 | Aug 16, 2000 | OXY USA Inc. | North Dollarhide Unit #12700338664 | 7,600 |
| 498516 | Aug 16, 2000 | Aug 16, 2000 | Cross Timbers Operating Company | University 9B #8HH00338384 | 10,900 |
| 497844 | Aug 9, 2000 | Aug 9, 2000 | Centurion Gas Corporation | State of Texas -S- #100307174 | 3,012 |
| 498243 | Aug 8, 2000 | Aug 8, 2000 | Energen Resources Corporation | University #700338663 | 9,000 |
| 498110 | Aug 7, 2000 | Aug 7, 2000 | Exxon Mobil Corporation | Parker, J. E. #1600302994 | 8,955 |
| 497954 | Aug 2, 2000 | Aug 2, 2000 | Cross Timbers Operating Company | University 9 Cec #8HH00338502 | 10,700 |
| 497953 | Aug 2, 2000 | Aug 2, 2000 | Cross Timbers Operating Company | Texas L #600338662 | 10,700 |
| 497952 | Aug 2, 2000 | Aug 2, 2000 | Cross Timbers Operating Company | University "9" -D- #700338661 | 10,700 |
| 497951 | Aug 2, 2000 | Aug 2, 2000 | Cross Timbers Operating Company | State of Texas BH #600338660 | 10,700 |
| 497950 | Aug 2, 2000 | Aug 2, 2000 | Cross Timbers Operating Company | State of Texas BH #700338659 | 10,700 |
| 495603 | Aug 2, 2000 | Aug 2, 2000 | Ica Energy Operating, L.L.C | University IF1013 Unit #100339022 | 7,300 |
| 497906 | Aug 1, 2000 | Aug 1, 2000 | OXY USA Inc. | North Dollarhide Unit #20600338658 | 7,600 |
| 473947Amendment | Aug 1, 2000 | Aug 1, 2000 | Aspen Energy Group, Inc. | Spinks, Jessie M. "B" #2H00302594 | 4,407 |
| 497896 | Jul 31, 2000 | Jul 31, 2000 | Texaco E & P Inc. | Mabee, J. E. 'a' NCT-1 #228HH00310141 | 12,964 |
| 497895 | Jul 31, 2000 | Jul 31, 2000 | Texaco E & P Inc. | Mabee, J. E. 'a' NCT-1 #223HH00307056 | 13,010 |
| 497636 | Jul 26, 2000 | Jul 26, 2000 | Phillips Petroleum Company | University Andrews #8800304792 | 5,500 |
| 497635 | Jul 26, 2000 | Jul 26, 2000 | Phillips Petroleum Company | University Andrews #3500304600 | 5,500 |
| 497558 | Jul 24, 2000 | Jul 24, 2000 | Merit Energy Company | Texas -AA- #1200336494 | 11,094 |
| 497557 | Jul 24, 2000 | Jul 24, 2000 | Merit Energy Company | Texas -AA- #900336275 | 11,084 |
| 497557Amendment | Jul 24, 2000 | Jul 24, 2000 | Merit Energy Company | Texas -AA- #900336275 | 11,084 |
| 497335 | Jul 18, 2000 | Jul 18, 2000 | Occidental Permian Ltd. | Fullerton (San Andres) Unit #13200338657 | 5,000 |
| 496396 | Jul 18, 2000 | Jul 18, 2000 | Burleson, Lewis B. Inc. | Embar University #300338650 | 6,500 |
| 496354 | Jul 18, 2000 | Jul 18, 2000 | Occidental Permian Ltd. | Fasken, David -CH- #1400338649 | 5,300 |
| 497031 | Jul 12, 2000 | Jul 12, 2000 | Cross Timbers Operating Company | University Block 9/Penn/Unit #4200305272 | 10,381 |
| 496978 | Jul 7, 2000 | Jul 7, 2000 | 3TEC Energy Corporation | University "10" #700338656 | 8,000 |
| 496792 | Jul 3, 2000 | Jul 3, 2000 | Caprock Operating, Inc. | Mast #100305307 | 4,896 |
| 495588 | Jul 3, 2000 | Jul 3, 2000 | Texland/JMC Joint Venture | Logsdon "C" #4900338343 | 7,500 |
| 496656 | Jun 29, 2000 | Jun 29, 2000 | Blanco Oil Co. | Blanco-Fullerton #342A00301398 | 9,906 |
| 496634 | Jun 28, 2000 | Jun 28, 2000 | Exxon Mobil Corporation | Parker, J. E. #300302981 | 8,465 |
| 496583 | Jun 28, 2000 | Jun 28, 2000 | Maralo, LLC | Lockhart & Brown #100300608 | 5,500 |
| 496559 | Jun 28, 2000 | Jun 28, 2000 | Belco Energy Corp. | Andrews Unit #535R00330162 | 9,700 |
| 496548 | Jun 28, 2000 | Jun 28, 2000 | Minihan Oil & Gas Corporation | Phillips University 11-A #400337171 | 6,750 |
| 496439 | Jun 28, 2000 | Jun 28, 2000 | Lotus, L. L. C. | Lotus #2BH00338653 | 3,100 |
| 496526 | Jun 26, 2000 | Jun 26, 2000 | Exxon Mobil Corporation | Means, J. S. a/C 4 #34200335246 | 8,900 |
| 496485 | Jun 23, 2000 | Jun 23, 2000 | OXY USA Inc. | North Dollarhide Unit #12900338654 | 7,600 |
| 496324 | Jun 23, 2000 | Jun 23, 2000 | Discovery Operating, Inc. | University 11 #700338647 | 8,200 |
| 496452 | Jun 22, 2000 | Jun 22, 2000 | Pure Resources, L.P. | Dollarhide (Silurian) Unit #252S00338652 | 10,000 |
| 496451 | Jun 22, 2000 | Jun 22, 2000 | Pure Resources, L.P. | Dollarhide (Silurian) Unit #401S00338651 | 10,000 |
| 496310 | Jun 21, 2000 | Jun 21, 2000 | Sage Energy Company | Redus #300338648 | 4,700 |
| 496300 | Jun 19, 2000 | Jun 19, 2000 | Phillips Petroleum Company | Goldsmith Andector Unit #N 100338645 | 6,550 |
| 496058 | Jun 16, 2000 | Jun 16, 2000 | Occidental Permian Ltd. | Ratliff & Bedford #4700338644 | 11,500 |
| 495604 | Jun 16, 2000 | Jun 16, 2000 | Ica Energy Operating, L.L.C | University IR1513 Unit #100338635 | 8,800 |
| 495604Amendment | Jun 16, 2000 | Jun 16, 2000 | Ica Energy Operating, L.L.C | University IR1513 Unit #100338635 | 8,800 |
| 496184 | Jun 15, 2000 | Jun 15, 2000 | OXY USA Inc. | North Dollarhide Unit #20700338646 | 7,400 |
| 496184Amendment | Jun 15, 2000 | Jun 15, 2000 | OXY USA WTP LP | North Dollarhide Unit #20700338646 | 7,700 |
| 496059 | Jun 14, 2000 | Jun 14, 2000 | Cross Timbers Operating Company | University Block 9/Penn/Unit #6900338271 | 10,695 |
| 496002 | Jun 13, 2000 | Jun 13, 2000 | Discovery Operating, Inc. | University 11A #400338643 | 8,200 |
| 495767 | Jun 7, 2000 | Jun 7, 2000 | Oilfield Management, Inc. (A) | University 36 #400338642 | 12,700 |
| 495779 | Jun 6, 2000 | Jun 6, 2000 | Belco Energy Corp. | Andrews Unit #52400307201 | 9,700 |
| 495530 | Jun 6, 2000 | Jun 6, 2000 | Occidental Permian Ltd. | Ratliff & Bedford #4300337679 | 11,220 |
| 495651 | Jun 5, 2000 | Jun 5, 2000 | Apache Corporation | Bakke Unit #70 A00302167 | 8,560 |
| 495335 | Jun 5, 2000 | Jun 5, 2000 | Alleder Inc. | Thornton #100338474 | 7,550 |
| 495335Amendment | Jun 5, 2000 | Jun 5, 2000 | Tag Operating Company, Inc. | Thornton, E. #100338474 | 8,000 |
| 495782 | Jun 2, 2000 | Jun 2, 2000 | Triumph Exploration, Inc. | Clampett, Jed "C" #100338641 | 4,900 |
| 495618 | Jun 2, 2000 | Jun 2, 2000 | Minihan Oil & Gas Corporation | Bitler #1600338636 | 5,000 |
| 495724 | Jun 1, 2000 | Jun 1, 2000 | OXY USA Inc. | North Dollarhide Unit #35900338640 | 7,400 |
| 495724Amendment | Jun 1, 2000 | Jun 1, 2000 | OXY USA WTP LP | North Dollarhide Unit #35900338640 | 7,700 |
| 495663 | Jun 1, 2000 | Jun 1, 2000 | Belco Energy Corp. | Andrews Unit #23200338639 | 9,700 |
| 495620 | Jun 1, 2000 | Jun 1, 2000 | Minihan Oil & Gas Corporation | Bitler #2000338638 | 5,000 |
| 495619 | Jun 1, 2000 | Jun 1, 2000 | Minihan Oil & Gas Corporation | Bitler #1200338637 | 5,000 |
| 495531 | Jun 1, 2000 | Jun 1, 2000 | Occidental Permian Ltd. | Ratliff & Bedford #4600338631 | 11,500 |
| 495560 | May 30, 2000 | May 30, 2000 | Minihan Oil & Gas Corporation | Bitler #1900338634 | 5,000 |
| 495559 | May 30, 2000 | May 30, 2000 | Minihan Oil & Gas Corporation | Bitler #1500338633 | 5,000 |
| 495472 | May 26, 2000 | May 26, 2000 | Belco Energy Corp. | Andrews Unit #23100338632 | 9,700 |
| 495468 | May 25, 2000 | May 25, 2000 | Triumph Exploration, Inc. | Clampett, Jed #400338630 | 4,900 |
| 495061 | May 17, 2000 | May 17, 2000 | Occidental Permian Ltd. | Midland Farms Deep Unit #23W00305835 | 12,589 |
| 495111 | May 16, 2000 | May 16, 2000 | Exxon Mobil Corporation | Parker, J E #11500336771 | 8,814 |
| 494816 | May 11, 2000 | May 11, 2000 | Minihan Oil & Gas Corporation | Bitler #800338629 | 5,000 |
| 494815 | May 11, 2000 | May 11, 2000 | Minihan Oil & Gas Corporation | Bitler #1100338628 | 5,000 |
| 494814 | May 11, 2000 | May 11, 2000 | Minihan Oil & Gas Corporation | Bitler #1000338627 | 5,000 |
| 494813 | May 11, 2000 | May 11, 2000 | Minihan Oil & Gas Corporation | Bitler #900338626 | 5,000 |
| 493649 | May 5, 2000 | May 5, 2000 | Cross Timbers Operating Company | University Block 9/Penn/Unit #6600338160 | 9,400 |
| 494621 | May 3, 2000 | May 3, 2000 | Exxon Mobil Corporation | Means/San Andres/Unit #665600338625 | 5,500 |
| 494485 | May 3, 2000 | May 3, 2000 | Exxon Mobil Corporation | Means/San Andres/Unit #710600338623 | 5,500 |
| 494485Amendment | May 3, 2000 | May 3, 2000 | Exxon Mobil Corporation | Means/San Andres/Unit #710600338623 | 5,500 |
| 494484 | May 3, 2000 | May 3, 2000 | Exxon Mobil Corporation | Means/San Andres/Unit #785400338624 | 5,500 |
| 494408 | Apr 27, 2000 | Apr 27, 2000 | Cross Timbers Operating Company | University Block 9/Penn/Unit #6800338556 | 9,500 |
| 494133 | Apr 24, 2000 | Apr 24, 2000 | Exxon Mobil Corporation | Means/San Andres/Unit #295600338606 | 5,500 |
| 494322 | Apr 21, 2000 | Apr 21, 2000 | Belco Energy Corp. | Shafter Lake/San Andres Unit #43100338622 | 5,000 |
| 494321 | Apr 21, 2000 | Apr 21, 2000 | Belco Energy Corp. | Shafter Lake/San Andres Unit #42300338621 | 5,000 |
| 494320 | Apr 21, 2000 | Apr 21, 2000 | Belco Energy Corp. | Shafter Lake/San Andres Unit #44200338620 | 5,000 |
| 494319 | Apr 21, 2000 | Apr 21, 2000 | Belco Energy Corp. | Shafter Lake/San Andres Unit #44700338619 | 5,000 |
| 494287 | Apr 20, 2000 | Apr 20, 2000 | Belco Energy Corp. | Shafter Lake/San Andres Unit #42900338618 | 5,000 |
| 494286 | Apr 20, 2000 | Apr 20, 2000 | Belco Energy Corp. | Shafter Lake/San Andres Unit #43000338617 | 5,000 |
| 494285 | Apr 20, 2000 | Apr 20, 2000 | Belco Energy Corp. | Shafter Lake/San Andres Unit #42200338616 | 5,000 |
| 494284 | Apr 20, 2000 | Apr 20, 2000 | Belco Energy Corp. | Shafter Lake/San Andres Unit #50300338615 | 5,000 |
| 494283 | Apr 20, 2000 | Apr 20, 2000 | Belco Energy Corp. | Shafter Lake/San Andres/Unit #50400338614 | 5,000 |
| 494243 | Apr 19, 2000 | Apr 19, 2000 | Minihan Oil & Gas Corporation | Bitler #600338613 | 5,000 |
| 494242 | Apr 19, 2000 | Apr 19, 2000 | Minihan Oil & Gas Corporation | Bitler #700338612 | 5,000 |
| 494241 | Apr 19, 2000 | Apr 19, 2000 | Minihan Oil & Gas Corporation | Bitler #500338611 | 5,000 |
| 494154 | Apr 18, 2000 | Apr 18, 2000 | Belco Energy Corp. | Shafter Lake/San Andres Unit #50600338610 | 5,000 |
| 494152 | Apr 18, 2000 | Apr 18, 2000 | Belco Energy Corp. | Shafter Lake/San Andres Unit #50500338609 | 5,000 |
| 494151 | Apr 18, 2000 | Apr 18, 2000 | Belco Energy Corp. | Shafter Lake/San Andres Unit #50200338608 | 5,000 |
| 494150 | Apr 18, 2000 | Apr 18, 2000 | Belco Energy Corp. | Shafter Lake/San Andres Unit #50100338607 | 5,000 |
| 494044 | Apr 18, 2000 | Apr 18, 2000 | Qualia, C. F. Operating Inc. | Allar "13" #100338605 | 7,700 |
| 494003 | Apr 12, 2000 | Apr 12, 2000 | Exxon Mobil Corporation | Means/San Andres/Unit #556200338603 | 5,500 |
| 494002 | Apr 12, 2000 | Apr 12, 2000 | Exxon Mobil Corporation | Means/San Andres/Unit #575600338604 | 5,500 |
| 493874 | Apr 12, 2000 | Apr 12, 2000 | Blanco Oil Co. | Blanco-Fullerton #17D00306745 | 9,910 |