| 546428 | Jun 2, 2004 | Jun 2, 2004 | Devon Energy Operating Co., L.P. | McGee, W. H. #2 | 3,800 | 49730168 |
| 546291 | May 28, 2004 | May 28, 2004 | Star of Texas Energy Srvs, Inc. | Hodges #1HH | 9,000 | 49735618 |
| 546279 | May 28, 2004 | May 28, 2004 | Devon Energy Operating Co., L.P. | Peterson, A. L. #18 | 9,000 | 49735617 |
| 546088 | May 26, 2004 | May 26, 2004 | Antero Resources I, LP | Bertha Stephens 4H Unit #4HH | 7,300 | 49735615 |
| 546070 | May 25, 2004 | May 25, 2004 | Lakota Energy, Ltd. | Toten, Dexter #3 | 7,950 | 49735614 |
| 545877 | May 25, 2004 | May 25, 2004 | Sabre Operating, Inc. | Ada Massey Gas Unit #2 | 5,500 | 49735612 |
| 545988 | May 21, 2004 | May 21, 2004 | Dallas Production, Inc. | Ferguson "B" #2 | 8,850 | 49735613 |
| 544960 | May 21, 2004 | May 21, 2004 | Devon Energy Operating Co., L.P. | Johnson, W. D. "B" #30H | 9,000 | 49735593 |
| 545890 | May 19, 2004 | May 19, 2004 | Enexco, Inc. | Skinner #1 | 9,000 | 49735611 |
| 545626 | May 17, 2004 | May 17, 2004 | Denbury Onshore, LLC | Trwd #G 1 | 7,300 | 49735610 |
| 545593 | May 17, 2004 | May 17, 2004 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #26B | 9,000 | 49735608 |
| 545535 | May 14, 2004 | May 14, 2004 | Upham Oil & Gas Company | Orr, William #9 | 7,300 | 49735607 |
| 544676 | May 14, 2004 | May 14, 2004 | Devon Energy Operating Co., L.P. | Knapp #11H | 9,000 | 49735586 |
| 544614 | May 13, 2004 | May 13, 2004 | Devon Energy Operating Co., L.P. | Knapp #10H | 9,000 | 49735584 |
| 545609 | May 12, 2004 | May 12, 2004 | Winchester Production Company | Renshaw #4H | 8,200 | 49735609 |
| 545564 | May 11, 2004 | May 11, 2004 | Devon Energy Operating Co., L.P. | Nash-Billingsley #3 | 6,400 | 49735606 |
| 538338 | May 11, 2004 | May 11, 2004 | Rife Energy Operating, Inc. | Wilson #1 A | 7,500 | 49735441 |
| 545519 | May 10, 2004 | May 10, 2004 | Devon Energy Operating Co., L.P. | Barzun, M. L. #1 | 5,686 | 49733973 |
| 545519Amendment | May 10, 2004 | May 10, 2004 | Devon Energy Operating Co., L.P. | Barzun, M. L. #1 | 5,686 | 49733973 |
| 545240 | May 7, 2004 | May 7, 2004 | Antero Resources I, LP | Indian Creek #O 1 | 7,100 | 49735603 |
| 545240Amendment | May 7, 2004 | May 7, 2004 | Antero Resources I, LP | Indian Creek #O 1 | 7,240 | 49735603 |
| 545368 | May 5, 2004 | May 5, 2004 | Devon Energy Operating Co., L.P. | Bryan "D" #7 | 9,000 | 49735605 |
| 545260 | May 5, 2004 | May 5, 2004 | Burlington Resources O & G Co LP | J. E. Womack "B" Gas Unit #3BHH | 9,000 | 49735604 |
| 545160 | Apr 30, 2004 | Apr 30, 2004 | Merritt Operating, Inc. | Johnson A #2H | 9,000 | 49735601 |
| 545158 | Apr 30, 2004 | Apr 30, 2004 | Devon Energy Operating Co., L.P. | Everett, D. P. #2 | 5,606 | 49731516 |
| 545140 | Apr 30, 2004 | Apr 30, 2004 | Burlington Resources O & G Co LP | C. W. "B" #3 | 9,000 | 49735600 |
| 545104 | Apr 29, 2004 | Apr 29, 2004 | Devon Energy Operating Co., L.P. | Stutt, Robert #4 | 6,380 | 49735599 |
| 545064 | Apr 28, 2004 | Apr 28, 2004 | Devon Energy Operating Co., L.P. | Hampton, J. V. #9HH | 9,000 | 49735598 |
| 545027 | Apr 28, 2004 | Apr 28, 2004 | Antero Resources I, LP | Huddleston Trust #8 | 8,000 | 49735597 |
| 544987 | Apr 28, 2004 | Apr 28, 2004 | Antero Resources I, LP | Huddleston Trust #5 | 7,700 | 49735596 |
| 544949 | Apr 28, 2004 | Apr 28, 2004 | Antero Resources I, LP | Vinson Fee G #19 | 8,000 | 49735595 |
| 544981 | Apr 27, 2004 | Apr 27, 2004 | Devon Energy Operating Co., L.P. | Sol Carpenter Heirs #8H | 9,000 | 49735594 |
| 544829 | Apr 27, 2004 | Apr 27, 2004 | Upham Oil & Gas Company | Whitten #10 | 7,400 | 49735588 |
| 544922 | Apr 26, 2004 | Apr 26, 2004 | Antero Resources I, LP | Amy White Unit #2 | 7,600 | 49735592 |
| 544922Amendment | Apr 26, 2004 | Apr 26, 2004 | Antero Resources I, LP | White, Amy #2 | 7,600 | 49735592 |
| 544857 | Apr 26, 2004 | Apr 26, 2004 | Antero Resources I, LP | Vinson Fee H #6HH | 7,600 | 49735591 |
| 544857Amendment | Apr 26, 2004 | Apr 26, 2004 | Antero Resources I, LP | Vinson Fee H #6HH | 7,600 | 49735591 |
| 544854 | Apr 26, 2004 | Apr 26, 2004 | Antero Resources I, LP | Vinson Fee H #8 | 7,700 | 49735589 |
| 544864 | Apr 23, 2004 | Apr 23, 2004 | Devon Energy Operating Co., L.P. | Ramsey, J.T. #3H | 9,000 | 49735590 |
| 544795 | Apr 21, 2004 | Apr 21, 2004 | Star of Texas Energy Srvs, Inc. | Bowling #1HH | 8,500 | 49735587 |
| 543769 | Apr 21, 2004 | Apr 21, 2004 | Devon Energy Operating Co., L.P. | Rogers, Lucy #5 | 6,333 | 49732696 |
| 544674 | Apr 20, 2004 | Apr 20, 2004 | Devon Energy Operating Co., L.P. | Rawle, W. D. #2 | 6,500 | 49732190 |
| 544670 | Apr 20, 2004 | Apr 20, 2004 | Winchester Production Company | Cocanougher, C. 287 #6H | 8,200 | 49735585 |
| 544558 | Apr 16, 2004 | Apr 16, 2004 | Stratagas, Inc. | Taylor, B. J. 'B' #2 | 7,500 | 49735583 |
| 543211 | Apr 16, 2004 | Apr 16, 2004 | Devon Energy Operating Co., L.P. | Wallace, Frank #10D | 9,000 | 49735556 |
| 544499 | Apr 15, 2004 | Apr 15, 2004 | Pioneer Exploration, Ltd. | Doyle, Truitt #2 | 8,900 | 49735582 |
| 544196 | Apr 7, 2004 | Apr 7, 2004 | Winchester Production Company | Collins #5H | 8,200 | 49735581 |
| 544191 | Apr 7, 2004 | Apr 7, 2004 | Tema Oil and Gas Company | Dobbins #9 | 9,000 | 49735580 |
| 544183 | Apr 7, 2004 | Apr 7, 2004 | Ross, Dwight M. Drlg. Co., Inc. | Riner #1 | 5,900 | 49735579 |
| 544072 | Apr 5, 2004 | Apr 5, 2004 | Roil Mineral & Land Co. | Elsom, Roil #1 | 7,600 | 49735578 |
| 544003 | Apr 2, 2004 | Apr 2, 2004 | Antero Resources I, LP | City of Newark #1 | 7,250 | 49735577 |
| 543760 | Apr 2, 2004 | Apr 2, 2004 | Antero Resources I, LP | Bertha Stephens #12H | 7,150 | 49735571 |
| 543972 | Apr 1, 2004 | Apr 1, 2004 | Texakoma Oil & Gas Corporation | Greenwood #1 | 8,800 | 49735371 |
| 543944 | Apr 1, 2004 | Apr 1, 2004 | Pioneer Exploration, Ltd. | Enis, Sible #2 | 8,900 | 49735576 |
| 543939 | Apr 1, 2004 | Apr 1, 2004 | Devon Energy Operating Co., L.P. | Farlow, J. F. Gas Unit "A" #5H | 9,000 | 49735575 |
| 543862 | Mar 30, 2004 | Mar 30, 2004 | Devon Energy Operating Co., L.P. | Shoop, Glenn P. "F" #7 | 9,000 | 49735573 |
| 543860 | Mar 30, 2004 | Mar 30, 2004 | Devon Energy Operating Co., L.P. | Shoop, Glenn P. "F" #6 | 9,000 | 49735572 |
| 543853 | Mar 30, 2004 | Mar 30, 2004 | Devon Energy Operating Co., L.P. | Gadberry, H. C. "B" #29 | 6,200 | 49735574 |
| 543748 | Mar 30, 2004 | Mar 30, 2004 | Upham Oil & Gas Company | Teddell, E. T. "A" #A 3 | 5,800 | 49734775 |
| 543640 | Mar 29, 2004 | Mar 29, 2004 | Sabre Operating, Inc. | Morris, R. L. C #10 | 6,983 | 49732726 |
| 542590 | Mar 26, 2004 | Mar 26, 2004 | Devon Energy Operating Co., L.P. | Shoop, Glenn P. "F" #4HH | 9,000 | 49735546 |
| 543664 | Mar 25, 2004 | Mar 25, 2004 | Devon Energy Operating Co., L.P. | Lamm, Frances #3HH | 9,000 | 49735570 |
| 543540 | Mar 25, 2004 | Mar 25, 2004 | McCutchin Petroleum Corporation | Lowrance, Gene #6 | 7,200 | 49735566 |
| 543632 | Mar 24, 2004 | Mar 24, 2004 | Devon Energy Operating Co., L.P. | Knapp #9D | 9,000 | 49735569 |
| 543632Amendment | Mar 24, 2004 | Mar 24, 2004 | Devon Energy Operating Co., L.P. | Knapp #9 | 9,000 | 49735569 |
| 543631 | Mar 24, 2004 | Mar 24, 2004 | Devon Energy Operating Co., L.P. | Knapp #8 | 9,000 | 49735568 |
| 543631Amendment | Mar 24, 2004 | Mar 24, 2004 | Devon Energy Operating Co., L.P. | Knapp #8 | 9,000 | 49735568 |
| 543611 | Mar 23, 2004 | Mar 23, 2004 | Star of Texas Energy Srvs, Inc. | Shepherd-Star #1HH | 8,200 | 49735567 |
| 543579 | Mar 23, 2004 | Mar 23, 2004 | Enexco, Inc. | Knox #1 | 9,000 | 49735565 |
| 543513 | Mar 22, 2004 | Mar 22, 2004 | Devon Energy Operating Co., L.P. | Bridges, J.H. #3 | 6,300 | 49735564 |
| 543373 | Mar 18, 2004 | Mar 18, 2004 | Antero Resources I, LP | Indian Creek #O 4 | 7,230 | 49735563 |
| 543391 | Mar 17, 2004 | Mar 17, 2004 | Chief Oil & Gas LLC | Fitzgerald Unit #5HH | 8,900 | 49735562 |
| 543388 | Mar 17, 2004 | Mar 17, 2004 | Devon Energy Operating Co., L.P. | McGee, Thelma #3HH | 9,000 | 49735560 |
| 543387 | Mar 17, 2004 | Mar 17, 2004 | Devon Energy Operating Co., L.P. | Ardinger, Horace #3 | 6,150 | 49735561 |
| 543387Amendment | Mar 17, 2004 | Mar 17, 2004 | Devon Energy Operating Co., L.P. | Ardinger, Horace #3 | 6,150 | 49735561 |
| 543319 | Mar 17, 2004 | Mar 17, 2004 | Denbury Onshore, LLC | Engler #1H | 6,940 | 49735559 |
| 543301 | Mar 16, 2004 | Mar 16, 2004 | Devon Energy Operating Co., L.P. | Wallace, Frank #9D | 9,000 | 49735557 |
| 543299 | Mar 16, 2004 | Mar 16, 2004 | Devon Energy Operating Co., L.P. | Wcco 4 -William Miller G U B-1 #12 | 9,000 | 49735558 |
| 543073 | Mar 15, 2004 | Mar 15, 2004 | Antero Resources I, LP | Isbell #1 | 7,100 | 49735555 |
| 542990 | Mar 9, 2004 | Mar 9, 2004 | Devon Energy Operating Co., L.P. | Dan B. Maeyers Gas Unit "A" #7 | 9,000 | 49735554 |
| 542989 | Mar 9, 2004 | Mar 9, 2004 | Devon Energy Operating Co., L.P. | Dan B. Maeyers Gas Unit "A" #8 | 9,000 | 49735553 |
| 542916 | Mar 8, 2004 | Mar 8, 2004 | Devon Energy Operating Co., L.P. | Dan B. Maeyers GU "B" #8 | 9,000 | 49735552 |
| 542915 | Mar 8, 2004 | Mar 8, 2004 | Devon Energy Operating Co., L.P. | Bridges, C. R. "B" #1H | 9,000 | 49735551 |
| 542866 | Mar 5, 2004 | Mar 5, 2004 | Dark Horse Operating Co., L.L.C. | Pitts #1 | 9,000 | 49735550 |
| 542826 | Mar 4, 2004 | Mar 4, 2004 | Devon Energy Operating Co., L.P. | Foxall, T.H. Unit #2 | 6,680 | 49731073 |
| 542825 | Mar 4, 2004 | Mar 4, 2004 | Devon Energy Operating Co., L.P. | Gasperson, E.G. #3 | 3,900 | 49733547 |
| 542823 | Mar 4, 2004 | Mar 4, 2004 | Devon Energy Operating Co., L.P. | Kaker Unit #3 | 6,065 | 49734387 |
| 542709 | Mar 3, 2004 | Mar 3, 2004 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #18B | 9,000 | 49735549 |
| 542688 | Mar 2, 2004 | Mar 2, 2004 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #17B | 9,000 | 49735548 |
| 542670 | Mar 2, 2004 | Mar 2, 2004 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #16B | 9,000 | 49735547 |
| 542408 | Mar 1, 2004 | Mar 1, 2004 | Enexco, Inc. | Pruett #1 | 9,000 | 49735544 |
| 542530 | Feb 26, 2004 | Feb 26, 2004 | Devon Energy Operating Co., L.P. | Crenshaw Unit #1 | 5,580 | 49701592 |
| 542499 | Feb 25, 2004 | Feb 25, 2004 | Devon Energy Operating Co., L.P. | Bridges, C. R. GU #6 | 6,250 | 49735545 |
| 542417 | Feb 25, 2004 | Feb 25, 2004 | Burlington Resources O & G Co LP | C. W. "B" #19HH | 9,000 | 49735543 |
| 542417Amendment | Feb 25, 2004 | Feb 25, 2004 | Burlington Resources O & G Co LP | C. W. "B" #19HH | 9,000 | 49735543 |
| 542415 | Feb 25, 2004 | Feb 25, 2004 | Burlington Resources O & G Co LP | Fox #5HH | 9,000 | 49735542 |
| 542269 | Feb 23, 2004 | Feb 23, 2004 | Burlington Resources O & G Co LP | Smith-Gentry Unit #2 | 9,000 | 49735541 |
| 541276 | Feb 23, 2004 | Feb 23, 2004 | Devon Energy Operating Co., L.P. | Young, Richard F. #1 | 7,000 | 49734803 |
| 542240 | Feb 19, 2004 | Feb 19, 2004 | Devon Energy Operating Co., L.P. | Chism, Royce #7D | 9,000 | 49735540 |
| 542109 | Feb 17, 2004 | Feb 17, 2004 | Devon Energy Operating Co., L.P. | Young, J. W. GU #3 | 9,000 | 49735539 |