| 633521 | Feb 16, 2007 | Feb 16, 2007 | Houston Petroleum Company | Shaw , Mollie #24 | 1,500 | 22531101 |
| 633519 | Feb 16, 2007 | Feb 16, 2007 | Houston Petroleum Company | Shaw, Mollie #27 | 1,500 | 22531103 |
| 633355 | Feb 13, 2007 | Feb 13, 2007 | Chesapeake Operating, Inc. | Temple-Inland Gas Unit #5HH | 14,000 | 22531100 |
| 631312 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | T. I. N. #2 | 13,000 | 22531098 |
| 631312Amendment | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | T. I. N. #2 | 13,000 | 22531098 |
| 631312Amendment | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | T. I. N. #2 | 13,000 | 22531098 |
| 631231 | Jan 25, 2007 | Jan 25, 2007 | XTO Energy Inc. | T. I. N. #3 | 13,000 | 22531097 |
| 631231Amendment | Jan 25, 2007 | Jan 25, 2007 | XTO Energy Inc. | T. I. N. #3 | 13,000 | 22531097 |
| 631927 | Jan 18, 2007 | Jan 18, 2007 | Chesapeake Operating, Inc. | Temple a-94 Gas Unit #1HH | 14,000 | 22531096 |
| 630089 | Dec 6, 2006 | Dec 6, 2006 | Chesapeake Operating, Inc. | Lovell Gas Unit #5HH | 16,000 | 22531095 |
| 629289 | Nov 20, 2006 | Nov 20, 2006 | Houston Petroleum Company | Shaw, Mollie "G" #3G | 4,000 | 22531094 |
| 628979 | Nov 14, 2006 | Nov 14, 2006 | Chesapeake Operating, Inc. | Adams Gas Unit #1HH | 12,000 | 22531093 |
| 628464 | Nov 13, 2006 | Nov 13, 2006 | Encana Oil & Gas(usa) Inc. | Temple #1 | 19,800 | 22531092 |
| 628594 | Nov 6, 2006 | Nov 6, 2006 | Chesapeake Operating, Inc. | Lovell Gas Unit #4HH | 16,000 | 22531091 |
| 628594Amendment | Nov 6, 2006 | Nov 6, 2006 | Chesapeake Operating, Inc. | Lovell Gas Unit #4HH | 16,000 | 22531091 |
| 628545 | Nov 3, 2006 | Nov 3, 2006 | Seven Energy LLC | Farmers Oil Co. #5HH | 12,000 | 22531090 |
| 628545Amendment | Nov 3, 2006 | Nov 3, 2006 | Txco Resources Inc. | Farmers Oil #5HH | 12,000 | 22531090 |
| 628137 | Oct 27, 2006 | Oct 27, 2006 | Anadarko E&P Company LP | Hamilton C Unit #1 | 19,700 | 22531089 |
| 628137Amendment | Oct 27, 2006 | Oct 27, 2006 | Anadarko Petroleum Corporation | Hamilton C Unit #1 | 19,700 | 22531089 |
| 628137Amendment | Oct 27, 2006 | Oct 27, 2006 | Anadarko Petroleum Corporation | Hamilton C Unit #1 | 20,500 | 22531089 |
| 627656 | Oct 24, 2006 | Oct 24, 2006 | Encana Oil & Gas(usa) Inc. | SGG Unit #1 | 20,100 | 22531088 |
| 627656Amendment | Oct 24, 2006 | Oct 24, 2006 | Encana Oil & Gas(usa) Inc. | SGG Unit #1 | 20,100 | 22531088 |
| 627431 | Oct 19, 2006 | Oct 19, 2006 | Range Production Company | Troutman 'A' #5 | 2,000 | 22531087 |
| 627158 | Oct 6, 2006 | Oct 6, 2006 | Houston Petroleum Company | Mollie Shaw #25 | 4,000 | 22531086 |
| 626573 | Sep 26, 2006 | Sep 26, 2006 | Hunt Oil Company | Temple Inland #1H | 11,300 | 22531085 |
| 626573Amendment | Sep 26, 2006 | Sep 26, 2006 | Hunt Oil Company | Temple Inland #1H | 12,500 | 22531085 |
| 626573Amendment | Sep 26, 2006 | Sep 26, 2006 | Hunt Oil Company | Temple Inland #1H | 12,500 | 22531085 |
| 626342 | Sep 21, 2006 | Sep 21, 2006 | Houston Petroleum Company | Shaw, Mollie #23 | 4,000 | 22531084 |
| 626180 | Sep 19, 2006 | Sep 19, 2006 | Chesapeake Operating, Inc. | Henley #1H | 17,000 | 22531083 |
| 625956 | Sep 15, 2006 | Sep 15, 2006 | Houston Petroleum Company | Shaw, Mollie et Al #22 | 4,000 | 22531082 |
| 624918 | Aug 28, 2006 | Aug 28, 2006 | Parten Operating Inc. | Bruton 7 Unit #7L | 10,775 | 22500427 |
| 624710 | Aug 21, 2006 | Aug 21, 2006 | Delta Exploration Company, Inc. | C. T. Adams Oil Unit 2 #2 | 10,000 | 22531080 |
| 624212 | Aug 18, 2006 | Aug 18, 2006 | Range Production Company | Troutman 'A' #6 | 2,000 | 22531079 |
| 623520 | Aug 9, 2006 | Aug 9, 2006 | Range Production Company | Dominy #18 | 2,000 | 22531078 |
| 623384 | Jul 28, 2006 | Jul 28, 2006 | Chesapeake Operating, Inc. | C. Richards Est. Gas Unit #1 | 25,000 | 22530596 |
| 622945 | Jul 20, 2006 | Jul 20, 2006 | Chesapeake Operating, Inc. | Palmer #1 | 15,000 | 22531077 |
| 619724 | Jul 14, 2006 | Jul 14, 2006 | XTO Energy Inc. | T. I. N. #1 | 13,000 | 22531073 |
| 622521 | Jul 13, 2006 | Jul 13, 2006 | Houston Petroleum Company | Shaw, Mollie #21 | 4,000 | 22531076 |
| 621585 | Jun 26, 2006 | Jun 26, 2006 | Energy Ventures, L.L.C. | Farmers Oil #4 | 10,000 | 22531075 |
| 621435 | Jun 22, 2006 | Jun 22, 2006 | Parten Operating Inc. | Seven J Stock Farm Inc. #46 | 8,410 | 22531074 |
| 621435Amendment | Jun 22, 2006 | Jun 22, 2006 | Parten Operating Inc. | Seven J Stock Farm Inc. #46 | 8,660 | 22531074 |
| 620613 | Jun 8, 2006 | Jun 8, 2006 | Noble Energy Inc | Hester B #1 | 10,280 | 22530388 |
| 619720 | Jun 1, 2006 | Jun 1, 2006 | XTO Energy Inc. | McLean, Harry #1H | 13,000 | 22531072 |
| 619720Amendment | Jun 1, 2006 | Jun 1, 2006 | XTO Energy Inc. | McLean, Harry #1 | 13,000 | 22531072 |
| 619720Amendment | Jun 1, 2006 | Jun 1, 2006 | XTO Energy Inc. | McLean, Harry #1 | 13,000 | 22531072 |
| 611705 | May 17, 2006 | May 17, 2006 | Range Production Company | Federal 19772 #20 | 1,700 | 22530924 |
| 618173 | Apr 25, 2006 | Apr 25, 2006 | Mustang Drilling, Ltd. | Lundy #1D | 9,100 | 22500678 |
| 617633 | Apr 21, 2006 | Apr 21, 2006 | XTO Energy Inc. | Temple-Eastex Leonard #2HH | 11,000 | 22531071 |
| 617772 | Apr 19, 2006 | Apr 19, 2006 | Parten Operating Inc. | Seven J Stock Farm, Inc #24 | 10,650 | 22530028 |
| 616798 | Apr 19, 2006 | Apr 19, 2006 | XTO Energy Inc. | Davy Crockett #2 | 13,600 | 22531069 |
| 616798Amendment | Apr 19, 2006 | Apr 19, 2006 | XTO Energy Inc. | Crockett, Davy #2 | 13,600 | 22531069 |
| 617697 | Apr 18, 2006 | Apr 18, 2006 | Parten Operating Inc. | Seven J Stock Farm, Inc #48 | 11,000 | 22531070 |
| 616535 | Mar 30, 2006 | Mar 30, 2006 | XTO Energy Inc. | Temple-Eastex Leonard #3HH | 11,000 | 22531068 |
| 616535Amendment | Mar 30, 2006 | Mar 30, 2006 | XTO Energy Inc. | Temple-Eastex Leonard #3HH | 11,000 | 22531068 |
| 615202 | Mar 6, 2006 | Mar 6, 2006 | Texakoma Operating, L.P. | Coleman #1 | 10,600 | 22531067 |
| 613621 | Feb 3, 2006 | Feb 3, 2006 | Chesapeake Operating, Inc. | Bobbitt #1H | 12,000 | 22531066 |
| 613540 | Feb 3, 2006 | Feb 3, 2006 | Houston Petroleum Company | Thornton, Annie #6 | 7,000 | 22531065 |
| 611819 | Jan 5, 2006 | Jan 5, 2006 | Anadarko Petroleum Corporation | Riemenschneider "A" #1 | 19,500 | 22531064 |
| 610439 | Dec 5, 2005 | Dec 5, 2005 | Opex Energy, LLC | Shelly #1H | 9,400 | 22531063 |
| 610439Amendment | Dec 5, 2005 | Dec 5, 2005 | Opex Energy, LLC | Shelly #1 | 9,050 | 22531063 |
| 609650 | Nov 18, 2005 | Nov 18, 2005 | Mustang Drilling, Ltd. | Calvert #1 | 11,212 | 22531002 |
| 608551 | Oct 28, 2005 | Oct 28, 2005 | Bomar Oil & Gas, Inc. | Pennington #1 | 6,000 | 22531062 |
| 608545 | Oct 28, 2005 | Oct 28, 2005 | Bomar Oil & Gas, Inc. | Pennington #2 | 6,000 | 22531061 |
| 608545Amendment | Oct 28, 2005 | Oct 28, 2005 | Bomar Oil & Gas, Inc. | Pennington #2 | 6,100 | 22531061 |
| 608125 | Oct 19, 2005 | Oct 19, 2005 | Chesapeake Operating, Inc. | Damuth Gas Unit #1 #1H | 14,000 | 22531060 |
| 608125Amendment | Oct 19, 2005 | Oct 19, 2005 | Chesapeake Operating, Inc. | Damuth Gas Unit #1 #1H | 14,000 | 22531060 |
| 607892 | Oct 14, 2005 | Oct 14, 2005 | Houston Petroleum Company | Stephens, C.A. et Al #3 | 13,000 | 22531059 |
| 607892Amendment | Oct 14, 2005 | Oct 14, 2005 | Houston Petroleum Company | Stephens, C. A. et Al #3 | 13,000 | 22531059 |
| 607892Amendment | Oct 14, 2005 | Oct 14, 2005 | Houston Petroleum Company | Southland Paper Mills Unit #5 | 8,826 | 22531059 |
| 607496 | Oct 10, 2005 | Oct 10, 2005 | Houston Petroleum Company | C.A. Stephens, et Al #1 | 13,000 | 22500514 |
| 607230 | Oct 3, 2005 | Oct 3, 2005 | Mustang Drilling, Ltd. | Calvert #2HH | 9,500 | 22531058 |
| 606274 | Sep 14, 2005 | Sep 14, 2005 | XTO Energy Inc. | McLean Estates Gas Unit #4HH | 11,000 | 22531057 |
| 606075 | Sep 9, 2005 | Sep 9, 2005 | Opex Energy, LLC | Seven J. Stock Farms, Inc. #47H | 9,100 | 22531056 |
| 603779 | Aug 16, 2005 | Aug 16, 2005 | XTO Energy Inc. | McLean Estate Gas Unit #3HH | 11,000 | 22531054 |
| 603779Amendment | Aug 16, 2005 | Aug 16, 2005 | XTO Energy Inc. | McLean Estate Gas Unit #3HH | 11,000 | 22531054 |
| 603779Amendment | Aug 16, 2005 | Aug 16, 2005 | XTO Energy Inc. | McLean Estate Gas Unit #3HH | 11,000 | 22531054 |
| 601494 | Jul 28, 2005 | Jul 28, 2005 | Palmer Petroleum Inc. | Dailey Estate #1 | 6,500 | 22530829 |
| 603783 | Jul 25, 2005 | Jul 25, 2005 | XTO Energy Inc. | Temple Industries "B" #3HH | 11,000 | 22531055 |
| 603140 | Jul 11, 2005 | Jul 11, 2005 | Houston Petroleum Company | Thornton, Annie #4 | 3,551 | 22531013 |
| 603113 | Jul 7, 2005 | Jul 7, 2005 | Winn Exploration Co., Inc. | Harrelson Oil Unit #1H | 12,000 | 22531053 |
| 603113Amendment | Jul 7, 2005 | Jul 7, 2005 | Winn Exploration Co., Inc. | Harrelson Oil Unit #1H | 12,000 | 22531053 |
| 603113Amendment | Jul 7, 2005 | Jul 7, 2005 | Chesapeake Operating, Inc. | Harrelson #1H | 12,000 | 22531053 |
| 602589 | Jun 28, 2005 | Jun 28, 2005 | Ridge Petroleum Inc. | Dailey, R. S. & H. H. #9B | 6,250 | 22531052 |
| 601060 | May 24, 2005 | May 24, 2005 | Houston Pet. Co. | Thornton, Annie #5 | 4,000 | 22531051 |
| 600400 | May 9, 2005 | May 9, 2005 | Houston Petroleum Company | Trinity State Bank #10 | 4,000 | 22531050 |
| 600399 | May 9, 2005 | May 9, 2005 | Houston Petroleum Company | Trinity State Bank #11 | 4,000 | 22531048 |
| 600395 | May 9, 2005 | May 9, 2005 | PXP Texas Inc. | Arthur Holcomb Gas Unit No. 1 #3HH | 11,000 | 22531049 |
| 600395Amendment | May 9, 2005 | May 9, 2005 | XTO Energy Inc. | Arthur Holcomb Gas Unit No. 1 #3HH | 11,000 | 22531049 |
| 600395Amendment | May 9, 2005 | May 9, 2005 | XTO Energy Inc. | Arthur Holcomb Gas Unit No. 1 #3HH | 12,000 | 22531049 |
| 560476 | Apr 14, 2005 | Apr 14, 2005 | Winn Exploration Co., Inc. | Lovell Gas Unit 3 #3H | 18,500 | 22531047 |
| 560476Amendment | Apr 14, 2005 | Apr 14, 2005 | Winn Exploration Co., Inc. | Lovell Gas Unit 3 #3H | 18,500 | 22531047 |
| 560476Amendment | Apr 14, 2005 | Apr 14, 2005 | Winn Exploration Co., Inc. | Lovell Gas Unit III #3RH | 18,500 | 22531047 |
| 560045 | Apr 6, 2005 | Apr 6, 2005 | PXP Texas Inc. | Arthur Holcomb Gas Unit No. 1 #2 HH | 10,500 | 22531046 |
| 558547 | Mar 4, 2005 | Mar 4, 2005 | Winn Exploration Co., Inc. | Kleinschmidt #1H | 17,000 | 22531045 |
| 558547Amendment | Mar 4, 2005 | Mar 4, 2005 | Winn Exploration Co., Inc. | Kleinschmidt #1 | 17,000 | 22531045 |
| 557926 | Feb 18, 2005 | Feb 18, 2005 | PXP Texas Inc. | Temple Industries B #2 HH | 10,500 | 22531044 |
| 557450 | Feb 9, 2005 | Feb 9, 2005 | Winn Exploration Co., Inc. | Rudman #1H | 17,500 | 22531043 |
| 557450Amendment | Feb 9, 2005 | Feb 9, 2005 | Chesapeake Operating, Inc. | Rudman #1H | 17,500 | 22531043 |
| 553796 | Feb 4, 2005 | Feb 4, 2005 | Questar Expl. and Prod. Co. | Warner Gas Unit #2 | 12,000 | 22531036 |
| 554409 | Dec 6, 2004 | Dec 6, 2004 | Winn Exploration Co., Inc. | Lovell -A- #1H | 16,000 | 22531042 |