| 602639 | Jun 30, 2005 | Jun 30, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32300339607 | 4,900 |
| 602639Amendment | Jun 30, 2005 | Jun 30, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32300339607 | 4,900 |
| 602638 | Jun 30, 2005 | Jun 30, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32500339613 | 4,900 |
| 602638Amendment | Jun 30, 2005 | Jun 30, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32500339613 | 4,900 |
| 602637 | Jun 30, 2005 | Jun 30, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32700339606 | 4,900 |
| 602637Amendment | Jun 30, 2005 | Jun 30, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32700339606 | 4,900 |
| 602637Amendment | Jun 30, 2005 | Jun 30, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32700339606 | 4,900 |
| 602636 | Jun 30, 2005 | Jun 30, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32900339603 | 4,900 |
| 602634 | Jun 30, 2005 | Jun 30, 2005 | Range Production Company | West Fuhrman-Mascho Unit #33500339601 | 4,900 |
| 602634Amendment | Jun 30, 2005 | Jun 30, 2005 | Range Production Company | West Fuhrman-Mascho Unit #33500339601 | 4,900 |
| 602633 | Jun 30, 2005 | Jun 30, 2005 | Range Production Company | West Fuhrman-Mascho Unit #33700339600 | 4,900 |
| 602633Amendment | Jun 30, 2005 | Jun 30, 2005 | Range Production Company | West Fuhrman-Mascho Unit #33700339600 | 4,900 |
| 602759 | Jun 29, 2005 | Jun 29, 2005 | OK Arena Operating Company | Seidel #500339612 | 4,800 |
| 602749 | Jun 29, 2005 | Jun 29, 2005 | Encore Operating, L.P. | Gray, Columbus et Al #2210R00339611 | 4,750 |
| 602701 | Jun 29, 2005 | Jun 29, 2005 | Encore Operating, L.P. | Gray, Columbus et Al #2226R00339605 | 4,750 |
| 602687 | Jun 29, 2005 | Jun 29, 2005 | Encore Operating, L.P. | Gray, Columbus et Al #194400339604 | 4,750 |
| 602677 | Jun 29, 2005 | Jun 29, 2005 | TX Heat of the Permian Basin Inc | State FX #100301711 | 8,975 |
| 602658 | Jun 29, 2005 | Jun 29, 2005 | Latigo Petroleum Texas, LP | Univ. McFarland Queen Con. #131000339599 | 5,000 |
| 602656 | Jun 29, 2005 | Jun 29, 2005 | Latigo Petroleum Texas, LP | Univ. McFarland Queen Con. #131100339598 | 5,000 |
| 602654 | Jun 28, 2005 | Jun 28, 2005 | Latigo Petroleum Texas, LP | State Univ. #1 QN Cons Ut. #243400339597 | 5,000 |
| 602653 | Jun 28, 2005 | Jun 28, 2005 | Latigo Petroleum Texas, LP | State Univ #1 QN Cons Ut. #272800339596 | 5,000 |
| 602577 | Jun 28, 2005 | Jun 28, 2005 | Range Production Company | West Fuhrman-Mascho Unit #33900339595 | 4,900 |
| 602575 | Jun 28, 2005 | Jun 28, 2005 | Range Production Company | West Fuhrman-Mascho Unit #31700339594 | 4,900 |
| 602575Amendment | Jun 28, 2005 | Jun 28, 2005 | Range Production Company | West Fuhrman-Mascho Unit #31700339594 | 4,900 |
| 602125 | Jun 23, 2005 | Jun 23, 2005 | Fossil Rock Resources, Inc. | Parker Ranch '1' #100337671 | 8,300 |
| 602411 | Jun 22, 2005 | Jun 22, 2005 | Celero Energy, L.P. | Keith, J. L. 'A' #100300940 | 5,500 |
| 602296 | Jun 21, 2005 | Jun 21, 2005 | Pure Resources, L.P. | U-Texas 36989 #100303781 | 12,664 |
| 602267 | Jun 21, 2005 | Jun 21, 2005 | Apache Corporation | Westbrook Oil Corp BLK 9 #2200310435 | 9,308 |
| 602228 | Jun 21, 2005 | Jun 21, 2005 | Range Production Company | West Fuhrman-Mascho Unit #31600339593 | 4,900 |
| 602221 | Jun 21, 2005 | Jun 21, 2005 | Range Production Company | West Fuhrman-Mascho Unit #33800339592 | 4,900 |
| 602221Amendment | Jun 21, 2005 | Jun 21, 2005 | Range Production Company | West Fuhrman-Mascho Unit #33800339592 | 4,900 |
| 602220 | Jun 21, 2005 | Jun 21, 2005 | Range Production Company | West Fuhrman-Mascho Unit #34000339591 | 4,900 |
| 602219 | Jun 21, 2005 | Jun 21, 2005 | Range Production Company | West Fuhrman-Mascho Unit #33200339590 | 4,900 |
| 602219Amendment | Jun 21, 2005 | Jun 21, 2005 | Range Production Company | West Fuhrman-Mascho Unit #33200339590 | 4,900 |
| 602176 | Jun 17, 2005 | Jun 17, 2005 | Range Production Company | West Fuhrman-Mascho Unit #33600339589 | 4,900 |
| 602176Amendment | Jun 17, 2005 | Jun 17, 2005 | Range Production Company | West Fuhrman-Mascho Unit #33600339589 | 4,900 |
| 602163 | Jun 17, 2005 | Jun 17, 2005 | Range Production Company | West Fuhrman-Mascho Unit #33400339588 | 4,900 |
| 602163Amendment | Jun 17, 2005 | Jun 17, 2005 | Range Production Company | West Fuhrman-Mascho Unit #33400339588 | 4,900 |
| 602159 | Jun 17, 2005 | Jun 17, 2005 | Range Production Company | West Fuhrman-Mascho Unit #33000339587 | 4,900 |
| 602144 | Jun 17, 2005 | Jun 17, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32800339586 | 4,900 |
| 602144Amendment | Jun 17, 2005 | Jun 17, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32800339586 | 4,900 |
| 602143 | Jun 17, 2005 | Jun 17, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32600339585 | 4,900 |
| 602143Amendment | Jun 17, 2005 | Jun 17, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32600339585 | 4,900 |
| 602142 | Jun 17, 2005 | Jun 17, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32400339584 | 4,900 |
| 602142Amendment | Jun 17, 2005 | Jun 17, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32400339584 | 4,900 |
| 602141 | Jun 17, 2005 | Jun 17, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32200339583 | 4,900 |
| 602141Amendment | Jun 17, 2005 | Jun 17, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32200339583 | 4,900 |
| 602072 | Jun 17, 2005 | Jun 17, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32000339582 | 4,900 |
| 602072Amendment | Jun 17, 2005 | Jun 17, 2005 | Range Production Company | West Fuhrman-Mascho Unit #32000339582 | 4,900 |
| 602068 | Jun 16, 2005 | Jun 16, 2005 | Range Production Company | West Fuhrman-Mascho Unit #31800339581 | 4,900 |
| 602068Amendment | Jun 16, 2005 | Jun 16, 2005 | Range Production Company | West Fuhrman-Mascho Unit #31800339581 | 4,900 |
| 602032 | Jun 16, 2005 | Jun 16, 2005 | Range Production Company | West Fuhrman-Mascho Unit #31400339580 | 4,900 |
| 602032Amendment | Jun 16, 2005 | Jun 16, 2005 | Range Production Company | West Fuhrman-Mascho Unit #31400339580 | 4,900 |
| 602064 | Jun 14, 2005 | Jun 14, 2005 | Brammer Engineering, Inc. | Fisher #200339579 | 3,300 |
| 602062 | Jun 14, 2005 | Jun 14, 2005 | Brammer Engineering, Inc. | Fisher #100339578 | 3,300 |
| 601862 | Jun 10, 2005 | Jun 10, 2005 | Forest Oil Corporation | Phillips University "11A" #1000339577 | 8,000 |
| 601798 | Jun 10, 2005 | Jun 10, 2005 | XTO Energy Inc. | Texas N #1000339573 | 11,000 |
| 601863 | Jun 9, 2005 | Jun 9, 2005 | Forest Oil Corporation | Phillips University O #800339576 | 8,000 |
| 601861 | Jun 9, 2005 | Jun 9, 2005 | Forest Oil Corporation | Phillips University "P" #800339574 | 8,000 |
| 601859 | Jun 9, 2005 | Jun 9, 2005 | Forest Oil Corporation | Phillips University "T" #900339575 | 8,000 |
| 601622 | Jun 6, 2005 | Jun 6, 2005 | Thompson, J. Cleo | University 9-7 #200339572 | 4,700 |
| 601567 | Jun 2, 2005 | Jun 2, 2005 | Apache Corporation | University BR #1300339571 | 6,000 |
| 601327 | May 31, 2005 | May 31, 2005 | Conocophillips Company | University Andrews #14100339570 | 6,600 |
| 601327Amendment | May 31, 2005 | May 31, 2005 | Conocophillips Company | University Andrews #14100339570 | 6,600 |
| 601323 | May 31, 2005 | May 31, 2005 | Conocophillips Company | University Andrews #14000339569 | 6,600 |
| 601312 | May 31, 2005 | May 31, 2005 | Conocophillips Company | University Andrews #8700304694 | 6,350 |
| 601325 | May 27, 2005 | May 27, 2005 | Apache Corporation | University BX #1200339567 | 6,000 |
| 601324 | May 27, 2005 | May 27, 2005 | Apache Corporation | University BX #1300339568 | 6,000 |
| 601322 | May 27, 2005 | May 27, 2005 | Apache Corporation | University CF #1200339566 | 6,000 |
| 601260 | May 26, 2005 | May 26, 2005 | Conocophillips Company | University Andrews #13900339565 | 6,600 |
| 601240 | May 26, 2005 | May 26, 2005 | Conocophillips Company | University Andrews #13800339564 | 6,600 |
| 601224 | May 25, 2005 | May 25, 2005 | Conocophillips Company | University UA #100339563 | 7,100 |
| 601159 | May 25, 2005 | May 25, 2005 | Texland Petroleum, L.P. | Logsdon "B" #1900339562 | 4,800 |
| 600617 | May 13, 2005 | May 13, 2005 | Occidental Permian Ltd. | Midland Farms AG #1200339561 | 8,900 |
| 600615 | May 13, 2005 | May 13, 2005 | Texland Petroleum, L.P. | Lineberry Unit 16 #7I00339560 | 4,750 |
| 600533 | May 11, 2005 | May 11, 2005 | Texland Petroleum, L.P. | Logsdon "C" #5300339558 | 4,800 |
| 600516 | May 11, 2005 | May 11, 2005 | Texland Petroleum, L.P. | Logsdon "E" #2500339557 | 4,750 |
| 600342 | May 9, 2005 | May 9, 2005 | Thompson, J. Cleo | Block 9 Fuhrman-Mascho Unit #16300339556 | 4,700 |
| 600339 | May 9, 2005 | May 9, 2005 | Thompson, J. Cleo | Block 9 Fuhrman-Mascho Unit #16200339553 | 4,700 |
| 600338 | May 9, 2005 | May 9, 2005 | Thompson, J. Cleo | Block 9 Fuhrman-Mascho Unit #16100339552 | 4,700 |
| 600337 | May 9, 2005 | May 9, 2005 | Minihan Oil & Gas Ltd. | Bitler #18I00339555 | 5,000 |
| 600336 | May 9, 2005 | May 9, 2005 | Thompson, J. Cleo | Block 9 Fuhrman-Mascho Unit #16000339551 | 4,700 |
| 600335 | May 9, 2005 | May 9, 2005 | Minihan Oil & Gas Ltd. | Bitler #10I00339554 | 5,000 |
| 600334 | May 9, 2005 | May 9, 2005 | Thompson, J. Cleo | Block 9 Fuhrman-Mascho Unit #15900339550 | 4,700 |
| 600065 | May 3, 2005 | May 3, 2005 | Minihan Oil & Gas Ltd. | Bitler #3I00339549 | 5,000 |
| 600050 | May 3, 2005 | May 3, 2005 | OK Arena Operating Company | Munger Nix "A" #3300339548 | 4,800 |
| 600048 | May 3, 2005 | May 3, 2005 | OK Arena Operating Company | Munger Nix "A" #3200339547 | 4,800 |
| 600047 | May 3, 2005 | May 3, 2005 | OK Arena Operating Company | Munger Nix "A" #3100339546 | 4,800 |
| 600043 | May 3, 2005 | May 3, 2005 | OK Arena Operating Company | Munger Nix "A" #3000339545 | 4,800 |
| 600034 | May 2, 2005 | May 2, 2005 | OK Arena Operating Company | Munger Nix "A" #3400339544 | 4,800 |
| 561251 | Apr 29, 2005 | Apr 29, 2005 | Texland Petroleum, L.P. | Scarborough Unit #116900339543 | 4,800 |
| 561105 | Apr 28, 2005 | Apr 28, 2005 | Stephens & Johnson Operating Co. | University "11" #200339542 | 7,500 |
| 561100 | Apr 28, 2005 | Apr 28, 2005 | Stephens & Johnson Operating Co. | University "A" #1200339541 | 7,500 |
| 560851 | Apr 28, 2005 | Apr 28, 2005 | OK Arena Operating Company | Munger Nix "A" #2900339538 | 4,800 |
| 561126 | Apr 27, 2005 | Apr 27, 2005 | Apache Corporation | University CG #500338454 | 5,500 |
| 561036 | Apr 25, 2005 | Apr 25, 2005 | Redhorn Energy, LLC | FW Consol. #4 #E 100301707 | 9,300 |
| 561000 | Apr 25, 2005 | Apr 25, 2005 | Conocophillips Company | Texas University -TT- #1900304697 | 12,650 |
| 560975 | Apr 22, 2005 | Apr 22, 2005 | EOG Resources, Inc. | University 1-16 #1H00339540 | 11,500 |
| 560789 | Apr 22, 2005 | Apr 22, 2005 | Thompson, J. Cleo | Texas University Cons. #C 600339537 | 4,700 |
| 560787 | Apr 22, 2005 | Apr 22, 2005 | Thompson, J. Cleo | Texas University Cons. #D 500339536 | 4,700 |