| 483473 | Mar 29, 1999 | Mar 29, 1999 | Mitchell Energy Corporation | Mae. B. Vance GU #5 | 11,500 | 29331294 |
| 482944 | Feb 26, 1999 | Feb 26, 1999 | Mitchell Energy Corporation | Thompson, Mildred #9 | 12,300 | 29331293 |
| 482823 | Feb 25, 1999 | Feb 25, 1999 | Tag Operating Company, Inc. | Howk, Anna Nell #1 | 3,500 | 29331292 |
| 482506 | Feb 9, 1999 | Feb 9, 1999 | Valence Operating Company | Schultz "E" #5 | 11,200 | 29331262 |
| 482429 | Feb 8, 1999 | Feb 8, 1999 | Sklar & Phillips Oil Co. | White #1 | 8,500 | 29331291 |
| 482045 | Jan 19, 1999 | Jan 19, 1999 | Phillips Petroleum Company | Bradley "A" #2 | 10,000 | 29331290 |
| 481873 | Jan 6, 1999 | Jan 6, 1999 | Herd Producing Company, Inc. | Connell Gas Unit No. 1 #2 | 6,710 | 29330630 |
| 481219 | Dec 2, 1998 | Dec 2, 1998 | Z/F Little Buddy, L.P. | Wright Gas Unit #1 #3 | 11,300 | 29331289 |
| 480749 | Nov 10, 1998 | Nov 10, 1998 | Sklar & Phillips Oil Co. | Wilson #1 | 8,000 | 29331288 |
| 480136 | Oct 15, 1998 | Oct 15, 1998 | Sklar & Phillips Oil Co. | Rogers Gas Unit #2 | 9,700 | 29331245 |
| 479863 | Oct 1, 1998 | Oct 1, 1998 | St. Mary Land & Exploration Co. | Keris #6 | 9,500 | 29331287 |
| 479559 | Sep 21, 1998 | Sep 21, 1998 | Texaco E & P Inc. | Georgia Cox Gas Unit #3 | 7,500 | 29331016 |
| 479315 | Sep 8, 1998 | Sep 8, 1998 | Comstock Oil & Gas, Inc. | Jackson "B" #3 | 10,000 | 29331286 |
| 478879 | Aug 20, 1998 | Aug 20, 1998 | Sklar-Tex L.L.C. | Nettles #1 | 13,500 | 29331266 |
| 478832 | Aug 19, 1998 | Aug 19, 1998 | Valence Operating Company | Wilson "V" #2 | 10,400 | 29331253 |
| 478631 | Aug 13, 1998 | Aug 13, 1998 | Texaco E & P Inc. | Georgia Cox Gas Unit #4 | 7,230 | 29331015 |
| 478569 | Aug 7, 1998 | Aug 7, 1998 | Herd Producing Company, Inc. | Thompson, B.W. Gas Unit NO 1 #3 | 9,600 | 29331285 |
| 478360 | Jul 30, 1998 | Jul 30, 1998 | Mitchell Energy Corporation | Laurence, R. A. #5 | 9,350 | 29331221 |
| 478012 | Jul 27, 1998 | Jul 27, 1998 | Mitchell Energy Corporation | Whisenhunt, H. E. #2 | 7,700 | 29331280 |
| 478012Amendment | Jul 27, 1998 | Jul 27, 1998 | Mitchell Energy Corporation | Whisenhunt, H. E. #2 | 7,700 | 29331280 |
| 478148 | Jul 21, 1998 | Jul 21, 1998 | Mitchell Energy Corporation | Hill, Laura #4 | 11,200 | 29331284 |
| 478148Amendment | Jul 21, 1998 | Jul 21, 1998 | Mitchell Energy Corporation | Hill, Laura #4 | 11,200 | 29331284 |
| 478109 | Jul 20, 1998 | Jul 20, 1998 | St. Mary Land & Exploration Co. | Wilson #7 | 11,300 | 29331283 |
| 478026 | Jul 20, 1998 | Jul 20, 1998 | Mitchell Energy Corporation | Jackson, James W. Jr. #5 | 11,250 | 29331279 |
| 478061 | Jul 17, 1998 | Jul 17, 1998 | Comstock Oil & Gas, Inc. | Jackson #3 | 9,700 | 29331281 |
| 478060 | Jul 17, 1998 | Jul 17, 1998 | Comstock Oil & Gas, Inc. | Jackson #4 | 9,700 | 29331282 |
| 477775 | Jul 8, 1998 | Jul 8, 1998 | St. Mary Land & Exploration Co. | White #10 | 9,500 | 29331278 |
| 477425 | Jul 1, 1998 | Jul 1, 1998 | Costilla Energy, Inc. | Tucker #7 | 9,000 | 29331277 |
| 477425Amendment | Jul 1, 1998 | Jul 1, 1998 | Costilla Energy, Inc. | Tucker #7 | 9,500 | 29331277 |
| 477394 | Jul 1, 1998 | Jul 1, 1998 | Mitchell Energy Corporation | Whisenhunt, H. E. #1 | 10,280 | 29330913 |
| 477394Amendment | Jul 1, 1998 | Jul 1, 1998 | Mitchell Energy Corporation | Whisenhunt, H. E. #1 | 10,280 | 29330913 |
| 477403 | Jun 29, 1998 | Jun 29, 1998 | Mitchell Energy Corporation | Capps, R. T. #2 | 11,300 | 29331275 |
| 477403Amendment | Jun 29, 1998 | Jun 29, 1998 | Mitchell Energy Corporation | Capps, R. T. #2 | 11,300 | 29331275 |
| 477436 | Jun 25, 1998 | Jun 25, 1998 | Valence Operating Company | Schultz "E" #6 | 7,700 | 29331276 |
| 477122 | Jun 23, 1998 | Jun 23, 1998 | Valence Operating Company | Currey "C" #2 | 11,176 | 29331001 |
| 477318 | Jun 19, 1998 | Jun 19, 1998 | Sklar & Phillips Oil Co. | King Gas Unit #3 | 10,250 | 29331274 |
| 477210 | Jun 16, 1998 | Jun 16, 1998 | St. Mary Land & Exploration Co. | Wilson #10 | 9,500 | 29331273 |
| 476887 | Jun 5, 1998 | Jun 5, 1998 | Reynolds Drilling Co., Inc. | State T.U.E.C. #1 | 7,550 | 29331090 |
| 476449 | Jun 1, 1998 | Jun 1, 1998 | Costilla Energy, Inc. | Tucker #6 | 11,100 | 29331270 |
| 476449Amendment | Jun 1, 1998 | Jun 1, 1998 | Costilla Energy, Inc. | Tucker #6 | 12,000 | 29331270 |
| 476702 | May 28, 1998 | May 28, 1998 | Sklar & Phillips Oil Co. | Sims Gas Unit #4 | 9,001 | 29331272 |
| 476701 | May 28, 1998 | May 28, 1998 | Sklar & Phillips Oil Co. | Sims Gas Unit #1 | 10,500 | 29331147 |
| 476660 | May 27, 1998 | May 27, 1998 | St. Mary Land & Exploration Co. | Keris #5 | 9,500 | 29331271 |
| 476353 | May 18, 1998 | May 18, 1998 | Ensign Operating Co. | McClaran, J. C. #2 | 11,000 | 29331269 |
| 476307 | May 15, 1998 | May 15, 1998 | Anderson Producing, Inc | Simmons Unit #1 | 3,800 | 29331268 |
| 476041 | May 6, 1998 | May 6, 1998 | Sklar & Phillips Oil Co. | Sims Gas Unit #2 | 9,001 | 29331267 |
| 476039 | May 6, 1998 | May 6, 1998 | Sklar & Phillips Oil Co. | Nettles #1 | 13,500 | 29331266 |
| 476039Amendment | May 6, 1998 | May 6, 1998 | Sklar & Phillips Oil Co. | Nettles #1 | 13,500 | 29331266 |
| 476039Amendment | May 6, 1998 | May 6, 1998 | Sklar & Phillips Oil Co. | Nettles #1 | 13,500 | 29331266 |
| 476039Amendment | May 6, 1998 | May 6, 1998 | Sklar & Phillips Oil Co. | Nettles #1 | 13,500 | 29331266 |
| 476039Amendment | May 6, 1998 | May 6, 1998 | Sklar & Phillips Oil Co. | Archer-Battle Gas Unit #5 | 13,500 | 29331266 |
| 475994 | May 5, 1998 | May 5, 1998 | Reynolds Drilling Co., Inc. | Wilkinson Estate #1 | 12,100 | 29331265 |
| 475453 | Apr 24, 1998 | Apr 24, 1998 | Comstock Oil & Gas, Inc. | Jackson "B" #2 | 9,800 | 29331264 |
| 475419 | Apr 23, 1998 | Apr 23, 1998 | Valence Operating Company | Sims, Collie #4 | 8,400 | 29331263 |
| 475379 | Apr 17, 1998 | Apr 17, 1998 | Valence Operating Company | Schultz "E" #5 | 11,200 | 29331262 |
| 474697 | Mar 27, 1998 | Mar 27, 1998 | Mitchell Energy Corporation | Jackson, Joyce #2 | 11,250 | 29331261 |
| 474697Amendment | Mar 27, 1998 | Mar 27, 1998 | Mitchell Energy Corporation | Jackson, Joyce #2 | 11,250 | 29331261 |
| 474368 | Mar 25, 1998 | Mar 25, 1998 | Herd Producing Company, Inc. | Triple H Ranch Gas Unit No. 1 #2 | 12,400 | 29330667 |
| 474540 | Mar 24, 1998 | Mar 24, 1998 | Mitchell Energy Corporation | Burleson #4 | 11,600 | 29331260 |
| 474528 | Mar 24, 1998 | Mar 24, 1998 | Mitchell Energy Corporation | Clifton, Arthur #3 | 11,100 | 29331259 |
| 474417 | Mar 17, 1998 | Mar 17, 1998 | Valence Operating Company | Sims, Collie #3 | 8,400 | 29331258 |
| 472663 | Mar 17, 1998 | Mar 17, 1998 | Valence Operating Company | Wilson "V" #2 | 10,500 | 29331253 |
| 473791 | Mar 10, 1998 | Mar 10, 1998 | Valence Operating Company | Schultz "E" #3 | 11,000 | 29331201 |
| 473496 | Feb 18, 1998 | Feb 18, 1998 | Mitchell Energy Corporation | Quinn Estate #2 | 10,990 | 29330875 |
| 473431 | Feb 17, 1998 | Feb 17, 1998 | Sklar & Phillips Oil Co. | Smith, Charles #1 | 9,800 | 29331257 |
| 473431Amendment | Feb 17, 1998 | Feb 17, 1998 | Sklar & Phillips Oil Co. | Smith, Charles #1 | 9,800 | 29331257 |
| 473104 | Feb 11, 1998 | Feb 11, 1998 | Mitchell Energy Corporation | Smythe, E. L. #8 | 11,700 | 29331256 |
| 472814 | Feb 6, 1998 | Feb 6, 1998 | Valence Operating Company | Sims, Collie #2 | 8,400 | 29331255 |
| 472814Amendment | Feb 6, 1998 | Feb 6, 1998 | Valence Operating Company | Sims, Collie #2 | 8,400 | 29331255 |
| 472737 | Jan 28, 1998 | Jan 28, 1998 | Reynolds Drilling Co., Inc. | Davis #1 | 11,000 | 29331254 |
| 472389 | Jan 23, 1998 | Jan 23, 1998 | Mitchell Energy Corporation | Wild Hog #1 | 7,800 | 29331252 |
| 472313 | Jan 16, 1998 | Jan 16, 1998 | Sklar & Phillips Oil Co. | Sims Gas Unit #3 | 8,500 | 29331251 |
| 472301 | Jan 16, 1998 | Jan 16, 1998 | Goodrich Petroleum Company | White 'A' #1 | 10,000 | 29331250 |
| 472154 | Jan 14, 1998 | Jan 14, 1998 | Mitchell Energy Corporation | Bates, Luther #1 | 7,800 | 29331249 |
| 471980 | Jan 8, 1998 | Jan 8, 1998 | Herd Producing Company, Inc. | Standley Gas Unit No. 2 #3 | 12,350 | 29330739 |
| 471943 | Jan 8, 1998 | Jan 8, 1998 | Marathon Oil Company | Simon "B" #3 | 13,000 | 29331248 |
| 471655 | Dec 31, 1997 | Dec 31, 1997 | Mitchell Energy Corporation | A. R. Easterling et al Unit #4 | 11,850 | 29331246 |
| 471655Amendment | Dec 31, 1997 | Dec 31, 1997 | Mitchell Energy Corporation | A. R. Easterling et al Unit #4 | 11,850 | 29331246 |
| 471727 | Dec 30, 1997 | Dec 30, 1997 | Mitchell Energy Corporation | Wild Turkey #2 | 7,800 | 29331247 |
| 471489 | Dec 19, 1997 | Dec 19, 1997 | Sklar & Phillips Oil Co. | Rogers Gas Unit #2 | 10,500 | 29331245 |
| 470969 | Dec 11, 1997 | Dec 11, 1997 | Brown, C. L. Inc. | McCline Heirs #1 | 3,500 | 29331244 |
| 471025 | Dec 9, 1997 | Dec 9, 1997 | Herd Producing Company, Inc. | Triple H Ranch Gas Unit No. 1 #3 | 12,070 | 29330888 |
| 470459 | Dec 8, 1997 | Dec 8, 1997 | Mitchell Energy Corporation | Herod, D. C. #3 | 11,300 | 29331242 |
| 470458 | Dec 8, 1997 | Dec 8, 1997 | Mitchell Energy Corporation | Little, W. P. #4 | 11,350 | 29331241 |
| 470844 | Dec 4, 1997 | Dec 4, 1997 | Herd Producing Company, Inc. | Shaw Gas Unit No. 1 #1 | 12,300 | 29330720 |
| 469930 | Dec 4, 1997 | Dec 4, 1997 | Costilla Energy, Inc. | Cooper #3 | 11,500 | 29331237 |
| 470590 | Nov 26, 1997 | Nov 26, 1997 | Sklar & Phillips Oil Co. | Ethridge Gas Unit #3 | 11,000 | 29331243 |
| 470587 | Nov 26, 1997 | Nov 26, 1997 | Mitchell Energy Corporation | Connell, Thomas B. #1 | 10,350 | 29330769 |
| 470366 | Nov 21, 1997 | Nov 21, 1997 | Mitchell Energy Corporation | Thurman, M.J. Estate #4 | 10,800 | 29331102 |
| 469984 | Nov 21, 1997 | Nov 21, 1997 | Valence Operating Company | Schultz "E" #2 | 11,691 | 29330623 |
| 470245 | Nov 20, 1997 | Nov 20, 1997 | Mitchell Energy Corporation | Stone, R. E. "A" #1 | 10,000 | 29331240 |
| 470245Amendment | Nov 20, 1997 | Nov 20, 1997 | Mitchell Energy Corporation | Stone, R. E. "A" #1 | 10,000 | 29331240 |
| 469858 | Nov 17, 1997 | Nov 17, 1997 | Sklar & Phillips Oil Co. | Rogers Gas Unit #1 | 9,500 | 29331165 |
| 470119 | Nov 14, 1997 | Nov 14, 1997 | St. Mary Land & Exploration Co. | Wilson #8R | 8,350 | 29331239 |
| 469865 | Nov 14, 1997 | Nov 14, 1997 | Sklar & Phillips Oil Co. | Phillips Heirs #1 | 9,600 | 29331182 |
| 470060 | Nov 13, 1997 | Nov 13, 1997 | Dallas Production, Inc. | Brown, Raymon #1 | 10,250 | 29331238 |
| 470060Amendment | Nov 13, 1997 | Nov 13, 1997 | Dallas Production, Inc. | Brown, Raymon #1 | 10,330 | 29331238 |
| 469170 | Nov 4, 1997 | Nov 4, 1997 | Mitchell Energy Corporation | Burleson-McBay G.U. #3 | 11,900 | 29331235 |
| 469507 | Oct 31, 1997 | Oct 31, 1997 | Sklar & Phillips Oil Co. | Ethridge #2 | 9,600 | 29331236 |
| 468682 | Oct 27, 1997 | Oct 27, 1997 | Sklar & Phillips Oil Co. | Yarbrough Trust #4 | 10,200 | 29331232 |