| 601377Amendment | May 31, 2005 | May 31, 2005 | Burlington Resources O & G Co LP | Hurley Unit #2 | 9,000 | 49735850 |
| 601232 | May 26, 2005 | May 26, 2005 | Burlington Resources O & G Co LP | Hurley Unit #1 | 9,000 | 49735848 |
| 601005 | May 25, 2005 | May 25, 2005 | Devon Energy Production Co, L.P. | Wcco 4-Miller 'G' #5H | 9,000 | 49735845 |
| 600902 | May 25, 2005 | May 25, 2005 | Devon Energy Production Co, L.P. | Patterson, M.L. GU "A" #7 | 9,000 | 49735841 |
| 600839 | May 25, 2005 | May 25, 2005 | Devon Energy Production Co, L.P. | P. K. Troxell GU #10H | 9,000 | 49735838 |
| 601058 | May 24, 2005 | May 24, 2005 | Devon Energy Production Co, L.P. | Fox, Jeff S. 'A' #2H | 9,000 | 49735847 |
| 600904 | May 24, 2005 | May 24, 2005 | Devon Energy Production Co, L.P. | Patterson, M.L. GU "A" #8 | 9,000 | 49735842 |
| 601003 | May 23, 2005 | May 23, 2005 | Devon Energy Production Co, L.P. | Sewell Ranch, Inc. #4 | 9,000 | 49735846 |
| 600903 | May 23, 2005 | May 23, 2005 | Devon Energy Production Co, L.P. | Patterson, M.L. GU "A" #10 | 9,000 | 49735839 |
| 600901 | May 23, 2005 | May 23, 2005 | Devon Energy Production Co, L.P. | Patterson, M. L. GU "A" #9 | 9,000 | 49735840 |
| 600444 | May 10, 2005 | May 10, 2005 | Burlington Resources O & G Co LP | C. W. "B" #22D | 9,000 | 49735836 |
| 600222 | May 6, 2005 | May 6, 2005 | Joint Resources Company | Fletcher #2A | 9,300 | 49735835 |
| 561034 | May 6, 2005 | May 6, 2005 | Devon Energy Production Co, L.P. | Shoop "A" #12 | 9,000 | 49735826 |
| 561033 | May 6, 2005 | May 6, 2005 | Devon Energy Production Co, L.P. | Shoop "A" #11 | 9,000 | 49735825 |
| 561032 | May 6, 2005 | May 6, 2005 | Devon Energy Production Co, L.P. | Shoop "A' #10H | 9,000 | 49735834 |
| 600044 | May 2, 2005 | May 2, 2005 | Adkins, R. L. Corp. | Martin #1 | 10,000 | 49735833 |
| 561186 | May 2, 2005 | May 2, 2005 | Richey, Ray Management Co., Inc. | Ramsey, J. T. #2 | 8,950 | 49735827 |
| 533708Amendment | May 2, 2005 | May 2, 2005 | BKV Barnett, LLC | Fox, Jeff S. 'A' #1H | 10,610 | 49735322 |
| 561287 | Apr 29, 2005 | Apr 29, 2005 | Antero Resources I, LP | Isbell Unit #2 | 7,100 | 49735832 |
| 561287Amendment | Apr 29, 2005 | Apr 29, 2005 | XTO Energy Inc. | Isbell Unit #2D | 9,500 | 49735832 |
| 561287Amendment | Apr 29, 2005 | Apr 29, 2005 | XTO Energy Inc. | Isbell Unit #2D | 9,500 | 49735832 |
| 561222 | Apr 28, 2005 | Apr 28, 2005 | Denbury Onshore, LLC | Scroggins #1H | 7,050 | 49735829 |
| 561187 | Apr 28, 2005 | Apr 28, 2005 | Encana Oil & Gas(usa) Inc. | Forman #4 | 8,900 | 49735828 |
| 561187Amendment | Apr 28, 2005 | Apr 28, 2005 | Encana Oil & Gas(usa) Inc. | Forman #4HH | 8,900 | 49735828 |
| 560940 | Apr 22, 2005 | Apr 22, 2005 | Devon Energy Production Co, L.P. | Wcco 4 - Morris, Ada #21H | 9,000 | 49735823 |
| 560927 | Apr 22, 2005 | Apr 22, 2005 | Denbury Onshore, LLC | Briar #1 | 1,900 | 49735822 |
| 560497 | Apr 20, 2005 | Apr 20, 2005 | Richey, Ray Management Co., Inc. | Gettys Unit #7 | 8,500 | 49735820 |
| 560728 | Apr 19, 2005 | Apr 19, 2005 | Sabre Operating, Inc. | Massey, Ada #2 | 6,700 | 49735821 |
| 560460 | Apr 15, 2005 | Apr 15, 2005 | Encana Oil & Gas(usa) Inc. | Caswell "C" #1H | 8,990 | 49735819 |
| 560309 | Apr 13, 2005 | Apr 13, 2005 | Richey, Ray Management Co., Inc. | Gettys Unit #6 | 8,500 | 49735817 |
| 560357 | Apr 12, 2005 | Apr 12, 2005 | Chief Oil & Gas LLC | Burress Unit #1H | 8,900 | 49735818 |
| 560107 | Apr 7, 2005 | Apr 7, 2005 | Devon Energy Production Co, L.P. | Fox, Zina GU 2 #6H | 9,000 | 49735816 |
| 560107Amendment | Apr 7, 2005 | Apr 7, 2005 | BKV Barnett, LLC | Fox, Zina GU 2 #6H | 10,222 | 49735816 |
| 559972 | Apr 7, 2005 | Apr 7, 2005 | Denbury Onshore, LLC | Trwd #B 1 | 6,700 | 49735235 |
| 559967 | Apr 7, 2005 | Apr 7, 2005 | Richey, Ray Management Co., Inc. | Gettys Unit #5 | 8,700 | 49735815 |
| 559859 | Apr 1, 2005 | Apr 1, 2005 | Devon Energy Production Co, L.P. | Steph, J. H. #6 | 5,550 | 49700841 |
| 558236 | Apr 1, 2005 | Apr 1, 2005 | Devon Energy Production Co, L.P. | Frank, J. J. Gas Unit "B" #3H | 9,000 | 49735795 |
| 559645 | Mar 25, 2005 | Mar 25, 2005 | Devon Energy Production Co, L.P. | Fox, Zina GU 2 #7H | 9,000 | 49735814 |
| 559453 | Mar 25, 2005 | Mar 25, 2005 | Burlington Resources O & G Co LP | Fox #7 | 9,000 | 49735811 |
| 559451 | Mar 25, 2005 | Mar 25, 2005 | Burlington Resources O & G Co LP | Fox #6 | 9,000 | 49735810 |
| 559484 | Mar 24, 2005 | Mar 24, 2005 | Devon Energy Production Co, L.P. | Bryan "D" #10 | 9,000 | 49735812 |
| 559483 | Mar 24, 2005 | Mar 24, 2005 | Devon Energy Production Co, L.P. | Jones, H. S. #2 | 6,300 | 49735813 |
| 558986 | Mar 24, 2005 | Mar 24, 2005 | Upham Oil & Gas Company | Mc Elhaney #1 | 5,850 | 49734578 |
| 559165 | Mar 17, 2005 | Mar 17, 2005 | Devon Energy Production Co, L.P. | Clough, Adele GU "A" #9 | 9,000 | 49735809 |
| 558968 | Mar 14, 2005 | Mar 14, 2005 | Devon Energy Production Co, L.P. | Pugh Gas Unit #3H | 9,000 | 49735808 |
| 558881 | Mar 11, 2005 | Mar 11, 2005 | Devon Energy Production Co, L.P. | Cox, Sam A. #2 | 7,020 | 49734698 |
| 558811 | Mar 10, 2005 | Mar 10, 2005 | Bridgeport Tank Trucks, Inc. | Coleman, W. S. #2 | 11,000 | 49735807 |
| 558811Amendment | Mar 10, 2005 | Mar 10, 2005 | Bridgeport Tank Trucks, Inc. | Coleman, W. S. #2 | 11,000 | 49735807 |
| 558742 | Mar 8, 2005 | Mar 8, 2005 | Adkins, R. L. Corp. | Fortenberry, Henry #3 | 10,000 | 49735806 |
| 558739 | Mar 8, 2005 | Mar 8, 2005 | Adkins, R. L. Corp. | Knight #3 | 10,000 | 49735805 |
| 558717 | Mar 8, 2005 | Mar 8, 2005 | Sanders Oil & Gas, LLC | Smith, Gwen #1 | 8,999 | 49735804 |
| 558696 | Mar 8, 2005 | Mar 8, 2005 | Gonzenbach, Glen D | Younger #1 | 7,500 | 49735803 |
| 558554 | Mar 4, 2005 | Mar 4, 2005 | Devon Energy Production Co, L.P. | Hoyl, C. B. #1 | 7,800 | 49734724 |
| 558486 | Mar 3, 2005 | Mar 3, 2005 | Devon Energy Production Co, L.P. | Bryan "D" #8 | 9,000 | 49735801 |
| 558486Amendment | Mar 3, 2005 | Mar 3, 2005 | Devon Energy Production Co, L.P. | Bryan "D" #8 | 9,000 | 49735801 |
| 558437 | Mar 2, 2005 | Mar 2, 2005 | Devon Energy Production Co, L.P. | Norman, J.E. Gas Unit "C" #11 | 9,000 | 49735802 |
| 558435 | Mar 2, 2005 | Mar 2, 2005 | Devon Energy Production Co, L.P. | Gerber, M.F. #3 | 6,500 | 49735800 |
| 558435Amendment | Mar 2, 2005 | Mar 2, 2005 | Devon Energy Production Co, L.P. | Gerber, M.F. #3 | 6,500 | 49735800 |
| 558434 | Mar 2, 2005 | Mar 2, 2005 | Threshold Development Co. | Rolling V Ranch "B" #2 | 4,450 | 49735798 |
| 558433 | Mar 2, 2005 | Mar 2, 2005 | Threshold Development Co. | Rolling V Ranch "B" #1 | 4,450 | 49735799 |
| 558392 | Mar 2, 2005 | Mar 2, 2005 | Burlington Resources O & G Co LP | J. E. French Unit #1BHH | 9,000 | 49735797 |
| 558235 | Feb 25, 2005 | Feb 25, 2005 | Devon Energy Production Co, L.P. | Womack, E.A. Gas Unit "A" #2 | 6,300 | 49735796 |
| 558159 | Feb 24, 2005 | Feb 24, 2005 | Devon Energy Production Co, L.P. | Frank, J.J. Gas Unit "B" #4H | 9,000 | 49735794 |
| 558052 | Feb 24, 2005 | Feb 24, 2005 | CD Consulting & Operating Co. | Barbara #2 | 5,983 | 49731108 |
| 555393 | Feb 24, 2005 | Feb 24, 2005 | Roil Mineral & Land Co. | Wolfe-Guinn-Renfro #9HH | 7,500 | 49735757 |
| 558006 | Feb 22, 2005 | Feb 22, 2005 | Devon Energy Production Co, L.P. | Norwood, J.A. #2 | 6,990 | 49734484 |
| 557970 | Feb 18, 2005 | Feb 18, 2005 | Threshold Development Co. | Rolling V Ranch "E" #2 | 5,770 | 49735793 |
| 557970Amendment | Feb 18, 2005 | Feb 18, 2005 | Threshold Development Co. | Rolling V Ranch "E" #2 | 5,770 | 49735793 |
| 557969 | Feb 18, 2005 | Feb 18, 2005 | Threshold Development Co. | Rolling V Ranch "G" #1 | 4,500 | 49735792 |
| 557969Amendment | Feb 18, 2005 | Feb 18, 2005 | Threshold Development Co. | Rolling V Ranch "G" #1 | 4,500 | 49735792 |
| 557817 | Feb 16, 2005 | Feb 16, 2005 | Devon Energy Production Co, L.P. | Carter, B.S. Jr #8 | 8,045 | 49735790 |
| 557816 | Feb 16, 2005 | Feb 16, 2005 | Devon Energy Production Co, L.P. | Miller, William "D" #4 | 9,000 | 49735791 |
| 557742 | Feb 15, 2005 | Feb 15, 2005 | Devon Energy Production Co, L.P. | Chism, Royce #8 | 9,000 | 49735787 |
| 557741 | Feb 15, 2005 | Feb 15, 2005 | Devon Energy Production Co, L.P. | Slimp, J. #10 | 9,000 | 49735789 |
| 557740 | Feb 15, 2005 | Feb 15, 2005 | Devon Energy Production Co, L.P. | Remmele, J.B. Unit #3 | 6,250 | 49735788 |
| 557477 | Feb 9, 2005 | Feb 9, 2005 | Devon Energy Production Co, L.P. | Stella Young GU "A" #18 | 6,350 | 49735786 |
| 557322 | Feb 8, 2005 | Feb 8, 2005 | Antero Resources I, LP | Ranger Resources #1 | 7,440 | 49735785 |
| 557358 | Feb 7, 2005 | Feb 7, 2005 | Adkins, R. L. Corp. | Fortenberry, Henry #2 | 10,000 | 49735783 |
| 557357 | Feb 7, 2005 | Feb 7, 2005 | Adkins, R. L. Corp. | Fortenberry, Janet #5 | 10,000 | 49735784 |
| 557274 | Feb 4, 2005 | Feb 4, 2005 | Devon Energy Production Co, L.P. | Waggoner, Crystelle (Echo) #4H | 9,000 | 49735782 |
| 557160 | Feb 4, 2005 | Feb 4, 2005 | Van Operating, Ltd. | Patty Jane Holt #1 | 8,000 | 49735780 |
| 557198 | Feb 3, 2005 | Feb 3, 2005 | Willowbend Investments, Inc. | Wilson #1 | 9,000 | 49735781 |
| 557051 | Feb 3, 2005 | Feb 3, 2005 | Lakota Energy, Ltd. | Travis Cobb #1 | 7,400 | 49735776 |
| 557152 | Feb 2, 2005 | Feb 2, 2005 | Ebs Oil & Gas Partners Op.co.,lp | Barnett, Patricia #1 | 9,000 | 49735779 |
| 557098 | Feb 1, 2005 | Feb 1, 2005 | Tema Oil and Gas Company | Stevens Gas Unit #9 | 8,500 | 49735777 |
| 557097 | Feb 1, 2005 | Feb 1, 2005 | Tema Oil and Gas Company | Stevens Gas Unit #8 | 8,500 | 49735778 |
| 557025 | Jan 31, 2005 | Jan 31, 2005 | J-W Operating Co. | Potter, H. M. #14 HH | 12,000 | 49735775 |
| 556952 | Jan 28, 2005 | Jan 28, 2005 | Devon Energy Production Co, L.P. | Giles, J. E. GU 1 #5 | 5,400 | 49733781 |
| 556894 | Jan 27, 2005 | Jan 27, 2005 | Threshold Development Co. | Rolling V Ranch #1E | 5,770 | 49735774 |
| 556894Amendment | Jan 27, 2005 | Jan 27, 2005 | Threshold Development Co. | Rolling V Ranch E #1 | 5,770 | 49735774 |
| 556891 | Jan 27, 2005 | Jan 27, 2005 | Threshold Development Co. | Rolling V Ranch #1A | 4,450 | 49735773 |
| 556891Amendment | Jan 27, 2005 | Jan 27, 2005 | Threshold Development Co. | Rolling V Ranch "A" #1 | 4,452 | 49735773 |
| 556570 | Jan 21, 2005 | Jan 21, 2005 | Devon Energy Production Co, L.P. | Phillips, R. H. -A- #4 | 6,220 | 49733678 |
| 556498 | Jan 20, 2005 | Jan 20, 2005 | Adkins, R. L. Corp. | Fortenberry, Janet #3 | 10,000 | 49735772 |
| 556490 | Jan 20, 2005 | Jan 20, 2005 | Devon Energy Production Co, L.P. | Clemans-Green #3 | 6,300 | 49735771 |
| 556464 | Jan 19, 2005 | Jan 19, 2005 | Adkins, R. L. Corp. | Fortenberry, Janet #4 | 10,000 | 49735770 |
| 556007 | Jan 18, 2005 | Jan 18, 2005 | Keene, Roy J. Jr. | Foster, C.A. #1 | 5,900 | 49731248 |
| 556203 | Jan 14, 2005 | Jan 14, 2005 | Fagadau Energy Corporation | Bridges #1 HH | 8,000 | 49735769 |
| 556127 | Jan 14, 2005 | Jan 14, 2005 | Burlington Resources O & G Co LP | J. E. Womack "B" Gas Unit #1 B | 9,000 | 49735768 |
| 556118 | Jan 14, 2005 | Jan 14, 2005 | Burlington Resources O & G Co LP | J. E. Womack Gas Unit #1 B | 9,000 | 49735767 |