| 493876 | Apr 11, 2000 | Apr 11, 2000 | Blanco Oil Co. | Blanco-Fullerton #13D00306741 | 9,920 |
| 493840 | Apr 7, 2000 | Apr 7, 2000 | Cross Timbers Operating Company | University Block 9/Penn/Unit #6700338203 | 10,339 |
| 493828 | Apr 6, 2000 | Apr 6, 2000 | Raptor Resources, Inc. | McFarland Queen PSL Unit #4700338602 | 5,000 |
| 493599 | Mar 30, 2000 | Mar 30, 2000 | Belco Energy Corp. | Shafter Lake/San Andres Unit #44600338601 | 5,000 |
| 493597 | Mar 30, 2000 | Mar 30, 2000 | Belco Energy Corp. | Shafter Lake/San Andres Unit #44100338600 | 5,000 |
| 493503 | Mar 29, 2000 | Mar 29, 2000 | Minihan Oil & Gas Corporation | University "45" #200337658 | 4,800 |
| 493501 | Mar 29, 2000 | Mar 29, 2000 | Minihan Oil & Gas Corporation | University "45" #300337670 | 4,800 |
| 493557 | Mar 28, 2000 | Mar 28, 2000 | Fossil Rock Resources, Inc. | Chevron University "10" #500338599 | 4,750 |
| 493519 | Mar 27, 2000 | Mar 27, 2000 | Rust Oil Corp. | Chevron University "10" #400338598 | 4,750 |
| 493417 | Mar 27, 2000 | Mar 27, 2000 | Blanco Oil Co. | Blanco-Fullerton #9S00338597 | 4,800 |
| 493279 | Mar 23, 2000 | Mar 23, 2000 | Maynard Oil Co. | Texas -QQ- #100301650 | 8,000 |
| 493260 | Mar 22, 2000 | Mar 22, 2000 | Exxon Corp. | Parker, J E A/C 3A #12600336917 | 7,856 |
| 493261 | Mar 21, 2000 | Mar 21, 2000 | Raptor Resources, Inc. | McFarland Queen PSL Unit #4500338596 | 5,000 |
| 491582 | Mar 17, 2000 | Mar 17, 2000 | Merit Energy Company | Texas -AA- #1200336494 | 11,094 |
| 493147 | Mar 16, 2000 | Mar 16, 2000 | Triumph Exploration, Inc. | Clampett, Jed "B" #100334326 | 4,720 |
| 493142 | Mar 16, 2000 | Mar 16, 2000 | Phillips Petroleum Company | University Andrews #3600304599 | 5,580 |
| 493139 | Mar 16, 2000 | Mar 16, 2000 | Phillips Petroleum Company | University Andrews #3800304598 | 7,670 |
| 493137 | Mar 16, 2000 | Mar 16, 2000 | Phillips Petroleum Company | University Andrews #5600304773 | 5,500 |
| 493137Amendment | Mar 16, 2000 | Mar 16, 2000 | Phillips Petroleum Company | University Andrews #5600304773 | 5,500 |
| 493090 | Mar 16, 2000 | Mar 16, 2000 | Union Oil Company of California | Parker Unit #4411A00337788 | 9,823 |
| 492906 | Mar 9, 2000 | Mar 9, 2000 | Minihan Oil & Gas Corporation | Bitler #400338595 | 5,000 |
| 492906Amendment | Mar 9, 2000 | Mar 9, 2000 | Minihan Oil & Gas Corporation | Bitler #400338595 | 5,000 |
| 492905 | Mar 9, 2000 | Mar 9, 2000 | Minihan Oil & Gas Corporation | Bitler #300338594 | 5,000 |
| 492905Amendment | Mar 9, 2000 | Mar 9, 2000 | Minihan Oil & Gas Corporation | Bitler #300338594 | 5,000 |
| 492903 | Mar 9, 2000 | Mar 9, 2000 | Minihan Oil & Gas Corporation | Bitler #200338593 | 5,000 |
| 492466 | Mar 9, 2000 | Mar 9, 2000 | Conoco Inc. | Boner-Ford #1HH00338587 | 5,000 |
| 492391 | Mar 9, 2000 | Mar 9, 2000 | Arco Permian | Univ. 11 Sec. -1- #9C00338585 | 8,000 |
| 492391Amendment | Mar 9, 2000 | Mar 9, 2000 | Arco Permian | Univ. 11 Sec. -1- #9C00338585 | 8,200 |
| 492390 | Mar 9, 2000 | Mar 9, 2000 | Arco Permian | Univ. 11 Sec. -1- #12D00338584 | 8,000 |
| 492390Amendment | Mar 9, 2000 | Mar 9, 2000 | Arco Permian | Univ. 11 Sec. -1- #12D00338584 | 8,000 |
| 492388 | Mar 9, 2000 | Mar 9, 2000 | Arco Permian | Univ. 11 Sec. -1- #3A00300293 | 8,000 |
| 492785 | Mar 8, 2000 | Mar 8, 2000 | Cross Timbers Operating Company | University 9 H #300338589 | 10,700 |
| 492784 | Mar 8, 2000 | Mar 8, 2000 | Cross Timbers Operating Company | University 9 Cee #800338590 | 10,700 |
| 492783 | Mar 8, 2000 | Mar 8, 2000 | Cross Timbers Operating Company | University 9 Cec #1000338591 | 10,700 |
| 492743 | Mar 8, 2000 | Mar 8, 2000 | Fasken Oil and Ranch, Ltd. | University "40A" #200338592 | 6,000 |
| 492389 | Mar 6, 2000 | Mar 6, 2000 | Arco Permian | Univ. -11- Sec. -12- #9A00338583 | 8,000 |
| 492569 | Mar 2, 2000 | Mar 2, 2000 | Texland/JMC Joint Venture | Scarborough Unit #206300338588 | 4,900 |
| 490787 | Mar 1, 2000 | Mar 1, 2000 | Abarta Oil & Gas Co., Inc. | Cothes #700337748 | 6,300 |
| 492462 | Feb 25, 2000 | Feb 25, 2000 | Staghorn Resources, LLC | Texas University #100338586 | 5,800 |
| 492249 | Feb 25, 2000 | Feb 25, 2000 | Blanco Oil Co. | Blanco-Fullerton #15D00306748 | 9,874 |
| 491369 | Feb 25, 2000 | Feb 25, 2000 | Lynne Development | Lindley, J. T. #300334230 | 3,258 |
| 492428 | Feb 24, 2000 | Feb 24, 2000 | Altura Energy Ltd. | Midland Farms Deep Unit #173W00335549 | 9,114 |
| 492358 | Feb 23, 2000 | Feb 23, 2000 | Cross Timbers Operating Company | University "9" -A- #600338582 | 10,700 |
| 492159 | Feb 23, 2000 | Feb 23, 2000 | Union Oil Company of California | Cowden, E. P. "B" #3BR00384717 | 2,200 |
| 492164 | Feb 17, 2000 | Feb 17, 2000 | Amerind Oil Company, Ltd. | Cowden "F" #600333297 | 8,169 |
| 492146 | Feb 16, 2000 | Feb 16, 2000 | Cross Timbers Operating Company | University 9 Cec #900338581 | 10,700 |
| 492062 | Feb 14, 2000 | Feb 14, 2000 | Titan Resources I, Inc. | Fasken Block "CB" a/C 2 #4H00338580 | 16,000 |
| 492062Amendment | Feb 14, 2000 | Feb 14, 2000 | Pure Resources, L.P. | Fasken "CB" #4H00338580 | 16,000 |
| 492044 | Feb 14, 2000 | Feb 14, 2000 | Devon Energy Corporation(nevada) | State FI #11HH00338579 | 10,950 |
| 492044Amendment | Feb 14, 2000 | Feb 14, 2000 | Devon Energy Corporation(nevada) | State FI #11HH00338579 | 10,950 |
| 491869 | Feb 11, 2000 | Feb 11, 2000 | Texland/JMC Joint Venture | Logsdon "D" #3100338577 | 4,900 |
| 491866 | Feb 11, 2000 | Feb 11, 2000 | Texland/JMC Joint Venture | Logsdon "B" #1600338574 | 4,900 |
| 491866Amendment | Feb 11, 2000 | Feb 11, 2000 | Texland/JMC Joint Venture | Logsdon "B" #1600338574 | 4,900 |
| 491943 | Feb 10, 2000 | Feb 10, 2000 | Minihan Oil & Gas Corporation | Univ. "P" #600338578 | 7,100 |
| 491868 | Feb 9, 2000 | Feb 9, 2000 | Texland/JMC Joint Venture | Logsdon "C" #4800338576 | 4,900 |
| 491867 | Feb 9, 2000 | Feb 9, 2000 | Texland/JMC Joint Venture | Logdson "C" #4600338575 | 4,900 |
| 491787 | Feb 8, 2000 | Feb 8, 2000 | Energen Resources Corporation | University "13-A" #200338572 | 5,500 |
| 491788 | Feb 4, 2000 | Feb 4, 2000 | Energen Resources Corporation | Fasken "EE" #1300338573 | 5,500 |
| 491705 | Feb 4, 2000 | Feb 4, 2000 | Union Oil Company of California | Parker Unit #2211A00338571 | 9,700 |
| 491702 | Feb 4, 2000 | Feb 4, 2000 | Union Oil Company of California | Cowden, E. P. "A-25" #10200304919 | 2,970 |
| 491647 | Feb 2, 2000 | Feb 2, 2000 | Belco Energy Corp. | Andrews Unit #53800338570 | 9,700 |
| 491526 | Jan 28, 2000 | Jan 28, 2000 | Henry Petroleum Corp. | Shafter Lake Clearfork Unit #725W00338569 | 7,200 |
| 491484 | Jan 28, 2000 | Jan 28, 2000 | Fasken Oil and Ranch, Ltd. | Holt, O. B. "H" #700338568 | 5,500 |
| 491498 | Jan 27, 2000 | Jan 27, 2000 | Cross Timbers Operating Company | Texas N #600338567 | 10,800 |
| 491398 | Jan 25, 2000 | Jan 25, 2000 | Cross Timbers Operating Company | University "9" -D- #600338566 | 10,800 |
| 491246 | Jan 21, 2000 | Jan 21, 2000 | Union Oil Company of California | Brangus University #300338565 | 9,500 |
| 491245 | Jan 21, 2000 | Jan 21, 2000 | Union Oil Company of California | Parker Unit #6212A00338564 | 9,600 |
| 491074 | Jan 19, 2000 | Jan 19, 2000 | Minihan Oil & Gas Corporation | MPS University #700338561 | 5,000 |
| 491098 | Jan 14, 2000 | Jan 14, 2000 | Belco Energy Corp. | Andrews Unit #54000338562 | 9,700 |
| 491097 | Jan 14, 2000 | Jan 14, 2000 | Belco Energy Corp. | Andrews Unit #53700339014 | 9,700 |
| 490148 | Jan 6, 2000 | Jan 6, 2000 | Phillips Petroleum Company | University Andrews #11800336834 | 5,400 |
| 490715 | Jan 3, 2000 | Jan 3, 2000 | Altura Energy Ltd. | Ratliff & Bedford #4500338560 | 9,300 |
| 489697 | Dec 31, 1999 | Dec 31, 1999 | OXY USA Inc. | King B #500332427 | 10,005 |
| 490640 | Dec 29, 1999 | Dec 29, 1999 | Minihan Oil & Gas Corporation | University "33-11" #800338557 | 4,500 |
| 490632 | Dec 29, 1999 | Dec 29, 1999 | Apache Corporation | University Lands -1806- #100333302 | 12,562 |
| 490682 | Dec 28, 1999 | Dec 28, 1999 | Triumph Exploration, Inc. | Clampett, Jed #300338559 | 4,900 |
| 490681 | Dec 28, 1999 | Dec 28, 1999 | Triumph Exploration, Inc. | Clampett, Jed "A" #100338558 | 4,900 |
| 490375 | Dec 28, 1999 | Dec 28, 1999 | Altura Energy Ltd. | Midland Farms Unit #710H00336961 | 4,936 |
| 490196 | Dec 16, 1999 | Dec 16, 1999 | Hillside Oil & Gas, Inc. | Parker, J. E. Est. #2 E00337800 | 4,740 |
| 490332 | Dec 14, 1999 | Dec 14, 1999 | Cross Timbers Operating Company | Texas -Q- #700338556 | 10,800 |
| 490332Amendment | Dec 14, 1999 | Dec 14, 1999 | Cross Timbers Operating Company | Texas -Q- #700338556 | 10,800 |
| 490279 | Dec 13, 1999 | Dec 13, 1999 | OXY USA Inc. | King B #200300873 | 6,150 |
| 490278 | Dec 13, 1999 | Dec 13, 1999 | Phillips Petroleum Company | Texas University -CC #1900304697 | 11,070 |
| 490277 | Dec 13, 1999 | Dec 13, 1999 | Phillips Petroleum Company | Texas University -CC #600304730 | 11,140 |
| 490179 | Dec 9, 1999 | Dec 9, 1999 | Belco Energy Corp. | Andrews Unit #72900338555 | 9,600 |
| 490048 | Dec 6, 1999 | Dec 6, 1999 | Phillips Petroleum Company | Texas University-R #700334231 | 6,188 |
| 489748 | Dec 2, 1999 | Dec 2, 1999 | Blanco Oil Co. | Blanco-Fullerton #16D00306744 | 8,400 |
| 489845 | Nov 24, 1999 | Nov 24, 1999 | Rust Oil Corp. | Longhorn "213" #500338554 | 4,750 |
| 489844 | Nov 24, 1999 | Nov 24, 1999 | Rust Oil Corp. | Arco University "2" #300338553 | 4,750 |
| 489760 | Nov 24, 1999 | Nov 24, 1999 | Henry Petroleum Corp. | State University "BT" #300338552 | 5,000 |
| 489635 | Nov 24, 1999 | Nov 24, 1999 | Oilfield Management, Inc. (A) | University D #202500333889 | 12,616 |
| 489758 | Nov 23, 1999 | Nov 23, 1999 | Phillips Petroleum Company | University Andrews #12100336816 | 5,450 |
| 489742 | Nov 22, 1999 | Nov 22, 1999 | OXY USA Inc. | King B #100300869 | 12,050 |
| 489712 | Nov 22, 1999 | Nov 22, 1999 | OXY USA Inc. | North Dollarhide Unit #114A00338551 | 7,700 |
| 489712Amendment | Nov 22, 1999 | Nov 22, 1999 | OXY USA Inc. | North Dollarhide Unit #114A00338551 | 7,700 |
| 489229 | Nov 15, 1999 | Nov 15, 1999 | Minihan Oil & Gas Corporation | University "32-11A" #100338550 | 5,000 |
| 489092 | Nov 9, 1999 | Nov 9, 1999 | Sage Energy Company | Redus #100303256 | 7,432 |
| 489220 | Nov 8, 1999 | Nov 8, 1999 | Exxon Corp. | Fullerton Clearfork Unit #1922W00301373 | 7,350 |
| 489219 | Nov 8, 1999 | Nov 8, 1999 | Exxon Corp. | Fullerton Clearfork Unit #1924W00307409 | 7,350 |
| 489135 | Nov 4, 1999 | Nov 4, 1999 | Energen Resources Corporation | Fasken BLK "EA" #400303639 | 5,000 |