| 498505 | Aug 15, 2000 | Aug 15, 2000 | Mitchell Energy Corporation | Mae B. Vance GU #6 | 11,500 | 29331353 |
| 498072 | Aug 14, 2000 | Aug 14, 2000 | Ensign Operating Co. | Oakes, C. W. #2 | 11,000 | 29331161 |
| 498313 | Aug 11, 2000 | Aug 11, 2000 | Stroud Petroleum, Inc. | Deen #1 | 9,600 | 29331352 |
| 498234 | Aug 8, 2000 | Aug 8, 2000 | Mitchell Energy Corporation | Smythe Gas Unit #9 | 11,800 | 29331351 |
| 497512 | Jul 27, 2000 | Jul 27, 2000 | Valence Operating Company | Wilson "V" #4 | 10,500 | 29331346 |
| 497686 | Jul 26, 2000 | Jul 26, 2000 | Herd Producing Company, Inc. | W. O. Stone Gas Unit No. 1 #5 | 9,500 | 29331349 |
| 497643 | Jul 26, 2000 | Jul 26, 2000 | Marathon Oil Company | Mason, Lula #13 | 11,500 | 29331348 |
| 497643Amendment | Jul 26, 2000 | Jul 26, 2000 | Marathon Oil Company | Mason, Lula #13 | 9,800 | 29331348 |
| 497586 | Jul 25, 2000 | Jul 25, 2000 | Mitchell Energy Corporation | Mabel Carpenter et al GU #4 | 11,700 | 29331347 |
| 497391 | Jul 19, 2000 | Jul 19, 2000 | Marathon Oil Company | Henderson, Hazel #4 | 11,500 | 29331345 |
| 497334 | Jul 18, 2000 | Jul 18, 2000 | Texaco E & P Inc. | Georgia Cox Gas Unit #7 | 10,400 | 29331344 |
| 497234 | Jul 17, 2000 | Jul 17, 2000 | Mitchell Energy Corporation | Burleson-McBay GU #5 | 11,900 | 29331342 |
| 497233 | Jul 17, 2000 | Jul 17, 2000 | Mitchell Energy Corporation | Browder Gas Unit #8 | 11,600 | 29331343 |
| 497180 | Jul 13, 2000 | Jul 13, 2000 | Miller Energy, Inc. | Herring, Lorraine #1 | 10,250 | 29330545 |
| 497148 | Jul 12, 2000 | Jul 12, 2000 | St. Mary Land & Exploration Co. | White #12 | 8,350 | 29331341 |
| 497148Amendment | Jul 12, 2000 | Jul 12, 2000 | St. Mary Land & Exploration Co. | White #12 | 8,350 | 29331341 |
| 496966 | Jul 7, 2000 | Jul 7, 2000 | Herd Producing Company, Inc. | Phillips Gas Unit "A" #3 | 9,500 | 29331340 |
| 496865 | Jul 7, 2000 | Jul 7, 2000 | Valence Operating Company | Wilson "V" #3 | 10,500 | 29331339 |
| 496585 | Jun 28, 2000 | Jun 28, 2000 | Mitchell Energy Corporation | Spence, Ralph #5 | 11,300 | 29331337 |
| 496584 | Jun 28, 2000 | Jun 28, 2000 | Mitchell Energy Corporation | Raines, B. J. #7 | 11,750 | 29331338 |
| 496532 | Jun 28, 2000 | Jun 28, 2000 | Mitchell Energy Corporation | R. E. Stone Gas Unit #4 | 11,500 | 29331336 |
| 496356 | Jun 20, 2000 | Jun 20, 2000 | Marathon Oil Company | Mason, Lula #12 | 11,500 | 29331335 |
| 496356Amendment | Jun 20, 2000 | Jun 20, 2000 | Marathon Oil Company | Mason, Lula #12 | 11,500 | 29331335 |
| 496081 | Jun 16, 2000 | Jun 16, 2000 | St. Mary Land & Exploration Co. | White #11 | 8,350 | 29331334 |
| 496081Amendment | Jun 16, 2000 | Jun 16, 2000 | St. Mary Land & Exploration Co. | White #11 | 8,350 | 29331334 |
| 496081Amendment | Jun 16, 2000 | Jun 16, 2000 | St. Mary Land & Exploration Co. | White #11 | 9,450 | 29331334 |
| 494897 | Jun 16, 2000 | Jun 16, 2000 | Samson Lone Star LP | Douglas #2 | 11,350 | 29330747 |
| 496083 | Jun 12, 2000 | Jun 12, 2000 | Mitchell Energy Corporation | Croft, M. V. #3 | 11,200 | 29331333 |
| 496083Amendment | Jun 12, 2000 | Jun 12, 2000 | Mitchell Energy Corporation | Croft, M. V. #3 | 11,200 | 29331333 |
| 495881 | Jun 6, 2000 | Jun 6, 2000 | KCS Resources, Inc. | Baker Gas Unit #3 | 10,451 | 29331085 |
| 495862 | Jun 6, 2000 | Jun 6, 2000 | Mitchell Energy Corporation | Quinn Estate #5 | 11,800 | 29331332 |
| 495862Amendment | Jun 6, 2000 | Jun 6, 2000 | Mitchell Energy Corporation | Quinn Estate #5 | 11,800 | 29331332 |
| 495862Amendment | Jun 6, 2000 | Jun 6, 2000 | Mitchell Energy Corporation | Quinn Estate #5 | 11,800 | 29331332 |
| 495311 | May 19, 2000 | May 19, 2000 | Marathon Oil Company | Jobe #1 #6 | 13,000 | 29331331 |
| 495234 | May 18, 2000 | May 18, 2000 | Mitchell Energy Corporation | Miles, C. A. #6 | 12,000 | 29331329 |
| 495234Amendment | May 18, 2000 | May 18, 2000 | Mitchell Energy Corporation | Miles, C. A. #6 | 12,000 | 29331329 |
| 495233 | May 18, 2000 | May 18, 2000 | Mitchell Energy Corporation | Angelina County Lumber Co. #4 | 12,000 | 29331330 |
| 495233Amendment | May 18, 2000 | May 18, 2000 | Mitchell Energy Corporation | Angelina County Lumber Co. #4 | 12,000 | 29331330 |
| 494930 | May 10, 2000 | May 10, 2000 | Mitchell Energy Corporation | Thurman, M. J. Estate #5 | 11,200 | 29331328 |
| 494930Amendment | May 10, 2000 | May 10, 2000 | Mitchell Energy Corporation | Thurman, M. J. Estate #5 | 11,200 | 29331328 |
| 494734 | May 4, 2000 | May 4, 2000 | Marathon Oil Company | Yarbrough Trust #6 | 11,500 | 29331327 |
| 494512 | Apr 27, 2000 | Apr 27, 2000 | Mitchell Energy Corporation | Renfroe, R. L. #4 | 11,200 | 29331326 |
| 494178 | Apr 18, 2000 | Apr 18, 2000 | Mitchell Energy Corporation | Jackson, James W. Jr. #3 | 10,680 | 29331149 |
| 493622 | Apr 3, 2000 | Apr 3, 2000 | St. Mary Land & Exploration Co. | Keris #7 | 9,500 | 29331325 |
| 493454 | Mar 31, 2000 | Mar 31, 2000 | Phillips Petroleum Company | Bradley 'A' #6 | 10,000 | 29331324 |
| 493453 | Mar 31, 2000 | Mar 31, 2000 | Phillips Petroleum Company | Bradley 'A' #7 | 10,000 | 29331323 |
| 493600 | Mar 29, 2000 | Mar 29, 2000 | Marathon Oil Company | Mason, Lula #10 | 8,200 | 29331066 |
| 492820 | Mar 9, 2000 | Mar 9, 2000 | Phillips Petroleum Company | Bradley "A" #5 | 10,000 | 29331322 |
| 492779 | Mar 8, 2000 | Mar 8, 2000 | Valence Operating Company | Sims, Collie #3 | 8,250 | 29331258 |
| 492779Amendment | Mar 8, 2000 | Mar 8, 2000 | Valence Operating Company | Sims, Collie #3 | 6,800 | 29331258 |
| 492778 | Mar 8, 2000 | Mar 8, 2000 | Valence Operating Company | Sims, Collie #2 | 8,250 | 29331255 |
| 492835 | Mar 7, 2000 | Mar 7, 2000 | Mitchell Energy Corporation | A. R. Easterling et al Unit #4 | 11,700 | 29331246 |
| 492601 | Mar 6, 2000 | Mar 6, 2000 | Mitchell Energy Corporation | Little, W. P. #5 | 11,500 | 29331321 |
| 491911 | Mar 6, 2000 | Mar 6, 2000 | Marathon Oil Company | Mason, Lula #11 | 11,500 | 29331317 |
| 492191 | Feb 24, 2000 | Feb 24, 2000 | Mitchell Energy Corporation | Laurence, R. A. #6 | 11,700 | 29331319 |
| 492269 | Feb 22, 2000 | Feb 22, 2000 | Marathon Oil Company | Henderson, Hazel #3 | 11,500 | 29331320 |
| 492004 | Feb 15, 2000 | Feb 15, 2000 | Texaco E & P Inc. | Georgia Cox Gas Unit #4 | 7,800 | 29331015 |
| 491361 | Feb 14, 2000 | Feb 14, 2000 | O'Benco, Inc. | Bobby Reed Gas Unit #3 | 12,000 | 29331316 |
| 491929 | Feb 9, 2000 | Feb 9, 2000 | Mitchell Energy Corporation | Burleson-McBay GU #4 | 11,700 | 29331318 |
| 490688 | Dec 30, 1999 | Dec 30, 1999 | Ensign Operating Co. | Laura Hill G.U. #1 Well #3 #3 | 11,000 | 29331227 |
| 490544 | Dec 29, 1999 | Dec 29, 1999 | Mitchell Energy Corporation | McGillivray Muse #6 | 12,100 | 29331315 |
| 490544Amendment | Dec 29, 1999 | Dec 29, 1999 | Mitchell Energy Corporation | McGillivray Muse #6 | 12,100 | 29331315 |
| 490424 | Dec 17, 1999 | Dec 17, 1999 | Mitchell Energy Corporation | Vance, Mae B. "A" #3 | 11,600 | 29331314 |
| 490424Amendment | Dec 17, 1999 | Dec 17, 1999 | Mitchell Energy Corporation | Vance, Mae B. "A" #3 | 11,600 | 29331314 |
| 490424Amendment | Dec 17, 1999 | Dec 17, 1999 | Mitchell Energy Corporation | Vance, Mae B. "A" #3 | 11,600 | 29331314 |
| 490072 | Dec 6, 1999 | Dec 6, 1999 | St. Mary Land & Exploration Co. | Keris #3 | 9,425 | 29331167 |
| 488775 | Nov 17, 1999 | Nov 17, 1999 | Comstock Oil & Gas, Inc. | Jackson #5 | 10,000 | 29331313 |
| 488692 | Oct 20, 1999 | Oct 20, 1999 | Comstock Oil & Gas, Inc. | Jackson "B" #4 | 10,000 | 29331312 |
| 488690 | Oct 20, 1999 | Oct 20, 1999 | Sklar-Tex L.L.C. | Jackson #1 | 9,500 | 29331311 |
| 488108 | Oct 4, 1999 | Oct 4, 1999 | Mitchell Energy Corporation | Hawkins, J. G. #4 | 11,250 | 29331310 |
| 487858 | Oct 1, 1999 | Oct 1, 1999 | Phillips Petroleum Company | Bradley "A" #4 | 10,000 | 29331308 |
| 487920 | Sep 29, 1999 | Sep 29, 1999 | Z/F Little Buddy, L.P. | Gaines, Minnie Lee #1 | 11,300 | 29331309 |
| 487869 | Sep 24, 1999 | Sep 24, 1999 | Mitchell Energy Corporation | Everett #8 | 12,200 | 29331307 |
| 487538 | Sep 17, 1999 | Sep 17, 1999 | Phillips Petroleum Company | Bradley "A" #3 | 10,000 | 29331306 |
| 487474 | Sep 10, 1999 | Sep 10, 1999 | Ensign Operating Co. | Oaks, C. W. Estate #1 | 9,000 | 29331134 |
| 487288 | Sep 3, 1999 | Sep 3, 1999 | Herd Producing Company, Inc. | Lyons Gas Unit No. 1 #7 | 12,300 | 29331305 |
| 487128 | Aug 31, 1999 | Aug 31, 1999 | O'Benco, Inc. | Bobby Reed Gas Unit #2 | 11,800 | 29331304 |
| 486997 | Aug 27, 1999 | Aug 27, 1999 | Mitchell Energy Corporation | Herod, D. C. #4 | 11,250 | 29331303 |
| 487009 | Aug 26, 1999 | Aug 26, 1999 | Z/F Little Buddy, L.P. | Carrie Lou Little Gas Unit 1 #1 | 11,130 | 29330094 |
| 487009Amendment | Aug 26, 1999 | Aug 26, 1999 | Z/F Little Buddy, L.P. | Carrie Lou Little Gas Unit 1 #1 | 9,904 | 29330094 |
| 486899 | Aug 24, 1999 | Aug 24, 1999 | Z/F Little Buddy, L.P. | Wright Gas Unit #1 #3 | 11,300 | 29331289 |
| 486899Amendment | Aug 24, 1999 | Aug 24, 1999 | Z/F Little Buddy, L.P. | Wright Gas Unit #1 #3 | 11,300 | 29331289 |
| 486827 | Aug 23, 1999 | Aug 23, 1999 | Mitchell Energy Corporation | J. R. Thomason Gas Unit #1 | 11,120 | 29330473 |
| 486568 | Aug 11, 1999 | Aug 11, 1999 | Z/F Little Buddy, L.P. | Livingston Estate Gas Unit #1 | 13,000 | 29330089 |
| 486106 | Jul 26, 1999 | Jul 26, 1999 | Mitchell Energy Corporation | J. E. Engram Unit #5 | 10,200 | 29331113 |
| 486014 | Jul 21, 1999 | Jul 21, 1999 | Mitchell Energy Corporation | Kerr, R. L. #2 | 10,960 | 29331086 |
| 485283 | Jun 17, 1999 | Jun 17, 1999 | Valence Operating Company | Schultz "E" #8 | 11,200 | 29331302 |
| 485053 | Jun 10, 1999 | Jun 10, 1999 | St. Mary Land & Exploration Co. | Wilson #11 | 8,350 | 29331301 |
| 485078 | Jun 8, 1999 | Jun 8, 1999 | St. Mary Land & Exploration Co. | Nicholas #1 | 10,100 | 29331300 |
| 484972 | Jun 7, 1999 | Jun 7, 1999 | Mitchell Energy Corporation | Bettinger #1 | 9,340 | 29331109 |
| 484862 | Jun 2, 1999 | Jun 2, 1999 | Sklar & Phillips Oil Co. | Smith, Charles #1 | 9,400 | 29331257 |
| 484655 | May 20, 1999 | May 20, 1999 | Valence Operating Company | Schultz "E" #7 | 8,950 | 29331299 |
| 484519 | May 13, 1999 | May 13, 1999 | Herd Producing Company, Inc. | Lyons Gas Unit No. 1 #6 | 8,900 | 29331297 |
| 484518 | May 13, 1999 | May 13, 1999 | Herd Producing Company, Inc. | Lyons Gas Unit No. 1 #5 | 8,900 | 29331298 |
| 484454 | May 11, 1999 | May 11, 1999 | Mitchell Energy Corporation | Burleson-McBay #2 | 11,020 | 29330709 |
| 484134 | Apr 27, 1999 | Apr 27, 1999 | Herd Producing Company, Inc. | Lyons Gas Unit No. 1 #4 | 8,900 | 29331296 |
| 483855 | Apr 15, 1999 | Apr 15, 1999 | Mitchell Energy Corporation | Bettinger #3 | 11,500 | 29331295 |
| 483855Amendment | Apr 15, 1999 | Apr 15, 1999 | Mitchell Energy Corporation | Bettinger #3 | 12,200 | 29331295 |
| 483567 | Mar 29, 1999 | Mar 29, 1999 | Mitchell Energy Corporation | Phillips Heirs #1 | 7,700 | 29331182 |
| 483567Amendment | Mar 29, 1999 | Mar 29, 1999 | Mitchell Energy Corporation | Phillips Heirs #1 | 7,700 | 29331182 |