| 471858 | Jan 5, 1998 | Jan 5, 1998 | Sonat Exploration Company -Tyler | Blanton, Jack #1 | 15,500 | 28931284 |
| 471574 | Dec 22, 1997 | Dec 22, 1997 | Amerada Hess Corporation | T-Bar-X Bedsole #1 | 16,000 | 28931283 |
| 471574Amendment | Dec 22, 1997 | Dec 22, 1997 | Amerada Hess Corporation | T-Bar-X Bedsole #1 | 17,000 | 28931283 |
| 471574Amendment | Dec 22, 1997 | Dec 22, 1997 | C. W. Resources, Inc. | T-Bar-X Bedsole #1RX | 17,000 | 28931283 |
| 471574Amendment | Dec 22, 1997 | Dec 22, 1997 | C. W. Resources, Inc. | T-Bar-X Bedsole #1RX | 17,000 | 28931283 |
| 471449 | Dec 19, 1997 | Dec 19, 1997 | Union Pacific Resources Company | Ptarmigan Unit #1H | 7,000 | 28931282 |
| 469894 | Dec 12, 1997 | Dec 12, 1997 | Forcenergy Inc | Osr-Halliday #4405 | 7,600 | 28930567 |
| 470723 | Dec 2, 1997 | Dec 2, 1997 | Amoco Production Company | H. L. Carrington Heirs Gas Unit #1 | 18,000 | 28931281 |
| 470297 | Nov 19, 1997 | Nov 19, 1997 | Chinn Exploration Company | Champion Ranch #1 | 7,000 | 28931280 |
| 470037 | Nov 12, 1997 | Nov 12, 1997 | Sonat Exploration Company -Tyler | Holmes #1 | 16,250 | 28931279 |
| 469525 | Oct 31, 1997 | Oct 31, 1997 | Union Pacific Resources Company | Blue Unit #1H | 7,200 | 28931278 |
| 469271 | Oct 27, 1997 | Oct 27, 1997 | Union Pacific Resources Company | Bobwhite Unit #1H | 7,200 | 28931277 |
| 468025 | Sep 25, 1997 | Sep 25, 1997 | Amoco Production Company | Vanderbeek, J. W. #1 | 18,000 | 28931276 |
| 468025Amendment | Sep 25, 1997 | Sep 25, 1997 | Amoco Production Company | Vanderbeek, J. W. #1 | 18,000 | 28931276 |
| 467617 | Sep 15, 1997 | Sep 15, 1997 | Sonat Exploration Company -Tyler | Ladd #1 | 15,500 | 28931275 |
| 467617Amendment | Sep 15, 1997 | Sep 15, 1997 | Sonat Exploration Company -Tyler | Ladd #1 | 15,500 | 28931275 |
| 467539 | Sep 12, 1997 | Sep 12, 1997 | Sonat Exploration Company -Tyler | Hodges #1 | 18,500 | 28931274 |
| 467037 | Sep 3, 1997 | Sep 3, 1997 | Texas Royalty Corp. | Marathon #1 | 5,800 | 28931273 |
| 467037Amendment | Sep 3, 1997 | Sep 3, 1997 | Texas Royalty Corp. | Marathon #1 | 6,100 | 28931273 |
| 466401 | Aug 18, 1997 | Aug 18, 1997 | Sonat Exploration Company -Tyler | Blazek #3X | 15,400 | 28931272 |
| 466401Amendment | Aug 18, 1997 | Aug 18, 1997 | Sonat Exploration Company -Tyler | Blazek #3X | 15,400 | 28931272 |
| 464877 | Jul 17, 1997 | Jul 17, 1997 | Palmer Petroleum Inc. | Johnson Unit #1 | 6,500 | 28931271 |
| 463658 | Jun 19, 1997 | Jun 19, 1997 | Amerada Hess Corporation | T Bar X Corby #1 | 16,500 | 28931269 |
| 463658Amendment | Jun 19, 1997 | Jun 19, 1997 | Carr Resources, Inc. | T Bar X Corby #1 | 15,700 | 28931269 |
| 463712 | Jun 13, 1997 | Jun 13, 1997 | Calto Operating Company, Inc. | Helmcamp #2 | 10,400 | 28931270 |
| 463290 | Jun 10, 1997 | Jun 10, 1997 | Union Pacific Resources Company | Warhawk Unit #1 | 18,500 | 28931268 |
| 463122 | May 30, 1997 | May 30, 1997 | Sonat Exploration Company -Tyler | Blazek #5 | 15,000 | 28931267 |
| 463122Amendment | May 30, 1997 | May 30, 1997 | Sonat Exploration Company -Tyler | Blazek #5 | 15,200 | 28931267 |
| 462702 | May 29, 1997 | May 29, 1997 | Valence Operating Company | Campbell Gas Unit #1 | 10,300 | 28931265 |
| 462858 | May 27, 1997 | May 27, 1997 | Union Pacific Resources Company | Upr/T-Bar-X King Cobra #1 | 17,700 | 28931266 |
| 462858Amendment | May 27, 1997 | May 27, 1997 | Union Pacific Resources Company | Upr/T-Bar-X King Cobra #1 | 17,700 | 28931266 |
| 462858Amendment | May 27, 1997 | May 27, 1997 | Union Pacific Resources Company | Upr/T-Bar-X King Cobra #1 | 18,038 | 28931266 |
| 462067 | May 6, 1997 | May 6, 1997 | Sonat Exploration Company -Tyler | Blazek #3 | 15,400 | 28931264 |
| 461626 | Apr 25, 1997 | Apr 25, 1997 | Valence Operating Company | Russell "A" #3 | 10,300 | 28931263 |
| 461093 | Apr 16, 1997 | Apr 16, 1997 | Palmer Petroleum Inc. | Williams Unit #1 | 6,500 | 28931262 |
| 460598 | Apr 4, 1997 | Apr 4, 1997 | Amoco Production Company | Morris, David "B" #1 | 18,000 | 28931261 |
| 460598Amendment | Apr 4, 1997 | Apr 4, 1997 | Amoco Production Company | Morris, David "B" #1 | 18,000 | 28931261 |
| 460598Amendment | Apr 4, 1997 | Apr 4, 1997 | Amoco Production Company | David Morris "B" Unit #1 | 18,000 | 28931261 |
| 460392 | Mar 27, 1997 | Mar 27, 1997 | Roosth Production Co. | Bergfield #1 | 6,050 | 28931260 |
| 459265 | Mar 3, 1997 | Mar 3, 1997 | Union Pacific Resources Company | Thunderbolt Unit #1 | 17,000 | 28931259 |
| 456912 | Feb 12, 1997 | Feb 12, 1997 | Sonat Exploration Company -Tyler | Fountain #2 | 15,500 | 28931252 |
| 456912Amendment | Feb 12, 1997 | Feb 12, 1997 | Sonat Exploration Company -Tyler | Fountain #2 | 15,500 | 28931252 |
| 458323 | Feb 6, 1997 | Feb 6, 1997 | American Cometra, Inc. | H. L. & P. Unit #1 | 16,500 | 28931258 |
| 458323Amendment | Feb 6, 1997 | Feb 6, 1997 | American Cometra, Inc. | H. L. & P. Unit #1 | 16,500 | 28931258 |
| 458257 | Feb 6, 1997 | Feb 6, 1997 | Union Pacific Resources Company | Bearcat Unit #1 | 17,000 | 28931257 |
| 458257Amendment | Feb 6, 1997 | Feb 6, 1997 | Union Pacific Resources Company | Bearcat Unit #1 | 17,200 | 28931257 |
| 458080 | Jan 31, 1997 | Jan 31, 1997 | Sonat Exploration Company -Tyler | McAshan #3 | 14,900 | 28931000 |
| 457887 | Jan 27, 1997 | Jan 27, 1997 | OXY USA Inc. | Carrington (T Bar-X) #1 | 13,412 | 28931234 |
| 457804 | Jan 24, 1997 | Jan 24, 1997 | Italian-American Oil Co., Inc. | Harrington, J. M. #1 | 5,800 | 28931256 |
| 457386 | Jan 17, 1997 | Jan 17, 1997 | American Cometra, Inc. | Carbalan #2 | 17,500 | 28931255 |
| 457048 | Jan 6, 1997 | Jan 6, 1997 | Sonat Exploration Company -Tyler | Morris Lazy K #1 | 17,500 | 28931254 |
| 457048Amendment | Jan 6, 1997 | Jan 6, 1997 | Sonat Exploration Company -Tyler | Morris Lazy K #1 | 17,500 | 28931254 |
| 457048Amendment | Jan 6, 1997 | Jan 6, 1997 | Sonat Exploration Company -Tyler | Morris Lazy K #1 | 18,500 | 28931254 |
| 457048Amendment | Jan 6, 1997 | Jan 6, 1997 | Sonat Exploration Company -Tyler | Morris Lazy K #1 | 18,500 | 28931254 |
| 457048Amendment | Jan 6, 1997 | Jan 6, 1997 | Sonat Exploration Company -Tyler | Morris Lazy K #1 | 18,500 | 28931254 |
| 455580 | Dec 12, 1996 | Dec 12, 1996 | Palmer Petroleum Inc. | Simpson Estate #1 | 6,500 | 28931250 |
| 455925 | Dec 4, 1996 | Dec 4, 1996 | Torch Operating Company | Robert E. Gresham Unit #1 | 9,700 | 28930735 |
| 455865 | Dec 4, 1996 | Dec 4, 1996 | United Oil & Minerals, Inc. | Lera #1H | 6,500 | 28931251 |
| 455865Amendment | Dec 4, 1996 | Dec 4, 1996 | United Oil & Minerals, Inc. | Lera #1H | 7,200 | 28931251 |
| 455261 | Nov 19, 1996 | Nov 19, 1996 | Prime Operating Company | Roughton #1 | 9,600 | 28931053 |
| 453718 | Nov 7, 1996 | Nov 7, 1996 | Marathon Oil Company | Bogs "A" #1 | 10,000 | 28930555 |
| 454541 | Oct 30, 1996 | Oct 30, 1996 | Sonat Exploration Company -Tyler | Cook #3 | 17,000 | 28931249 |
| 454541Amendment | Oct 30, 1996 | Oct 30, 1996 | Sonat Exploration Company -Tyler | Cook #3 | 17,000 | 28931249 |
| 454541Amendment | Oct 30, 1996 | Oct 30, 1996 | Sonat Exploration Company -Tyler | Cook #3 | 17,000 | 28931249 |
| 453913 | Oct 18, 1996 | Oct 18, 1996 | Umc Petroleum Corporation | Helmcamp #1 | 16,000 | 28931248 |
| 453913Amendment | Oct 18, 1996 | Oct 18, 1996 | Umc Petroleum Corporation | Helmcamp #1 | 17,000 | 28931248 |
| 453913Amendment | Oct 18, 1996 | Oct 18, 1996 | Umc Petroleum Corporation | Helmcamp #1 | 17,000 | 28931248 |
| 452585 | Oct 4, 1996 | Oct 4, 1996 | Marathon Oil Company | Poth Family Trust #2ST | 17,000 | 28931224 |
| 452680 | Sep 18, 1996 | Sep 18, 1996 | American Cometra, Inc. | Vann Unit #3 | 17,000 | 28931247 |
| 452227 | Sep 3, 1996 | Sep 3, 1996 | American Cometra, Inc. | Harcrow #1 | 17,000 | 28931246 |
| 452227Amendment | Sep 3, 1996 | Sep 3, 1996 | Apache Corporation | Harcrow #1 | 16,000 | 28931246 |
| 451277 | Aug 8, 1996 | Aug 8, 1996 | Compass Exploration, Inc. | Lipsey #7 | 12,500 | 28931245 |
| 450901 | Jul 30, 1996 | Jul 30, 1996 | Palmer Petroleum Inc. | Morgan #1 | 6,500 | 28931244 |
| 446530 | Jul 11, 1996 | Jul 11, 1996 | Prime Operating Company | Sam Knight Unit "C" #5 | 9,000 | 28931068 |
| 446530Amendment | Jul 11, 1996 | Jul 11, 1996 | Prime Operating Company | Sam Knight Unit "C" #5 | 8,995 | 28931068 |
| 449985 | Jul 2, 1996 | Jul 2, 1996 | Marathon Oil Company | Nash #2 | 17,000 | 28931243 |
| 449985Amendment | Jul 2, 1996 | Jul 2, 1996 | Williams Prod. Gulf Coast, L.P. | Nash #2 | 17,000 | 28931243 |
| 449985Amendment | Jul 2, 1996 | Jul 2, 1996 | Williams Prod. Gulf Coast, L.P. | Nash #2 | 17,000 | 28931243 |
| 448842 | Jun 27, 1996 | Jun 27, 1996 | Koch Pipeline Company, L.P. | Rectifier #M 27 | 250 | 28931242 |
| 449125 | Jun 10, 1996 | Jun 10, 1996 | Marathon Oil Company | Marshall 'A' #6 | 9,783 | 28931027 |
| 448650 | May 29, 1996 | May 29, 1996 | Hicon Gas Producers, Inc. | Carter #2 | 11,000 | 28930869 |
| 448444 | May 22, 1996 | May 22, 1996 | Enserch Exploration, Inc | Hull, Effie Mae #4 | 10,700 | 28931241 |
| 448216 | May 16, 1996 | May 16, 1996 | Sonat Exploration Company -Tyler | Scurlock #1 | 16,000 | 28931240 |
| 448216Amendment | May 16, 1996 | May 16, 1996 | Sonat Exploration Company -Tyler | Scurlock #1 | 16,000 | 28931240 |
| 448216Amendment | May 16, 1996 | May 16, 1996 | Sonat Exploration Company -Tyler | Scurlock #1 | 16,000 | 28931240 |
| 447482 | May 1, 1996 | May 1, 1996 | American Cometra, Inc. | Watson #2 | 16,000 | 28931239 |
| 447482Amendment | May 1, 1996 | May 1, 1996 | American Cometra, Inc. | Watson #2 | 17,000 | 28931239 |
| 447482Amendment | May 1, 1996 | May 1, 1996 | American Cometra, Inc. | Watson #2 | 17,000 | 28931239 |
| 446553 | Apr 10, 1996 | Apr 10, 1996 | Marathon Oil Company | Pinnacle #1 | 9,450 | 28930563 |
| 446305 | Mar 28, 1996 | Mar 28, 1996 | Security Exploration, Inc. | Mellas #1 | 6,050 | 28931238 |
| 445855 | Mar 13, 1996 | Mar 13, 1996 | Marathon Oil Company | Pinnacle #2 | 10,600 | 28931237 |
| 445854 | Mar 13, 1996 | Mar 13, 1996 | Marathon Oil Company | Noey #1 | 16,500 | 28931236 |
| 444678 | Feb 12, 1996 | Feb 12, 1996 | Compass Exploration, Inc. | Johnson-Lipsey #1 | 6,250 | 28931235 |
| 443816 | Jan 18, 1996 | Jan 18, 1996 | Belco Oil & Gas Corp. | (T Bar X) Petty #1 | 16,000 | 28931234 |
| 443816Amendment | Jan 18, 1996 | Jan 18, 1996 | Belco Oil & Gas Corp. | (T-Bar-X) Carrington #1 | 16,000 | 28931234 |
| 443598 | Jan 10, 1996 | Jan 10, 1996 | Compass Exploration, Inc. | Hicks - Lipsey #1H | 6,250 | 28931233 |
| 443197 | Dec 27, 1995 | Dec 27, 1995 | Compass Exploration, Inc. | Lipsey, Rennoe #2 | 6,250 | 28931232 |
| 442874 | Dec 15, 1995 | Dec 15, 1995 | Amoco Production Company | Jimmy Hill Gas Unit #1 | 18,500 | 28931231 |
| 442874Amendment | Dec 15, 1995 | Dec 15, 1995 | Amoco Production Company | Jimmy Hill Gas Unit #1 | 18,500 | 28931231 |
| 441331 | Oct 27, 1995 | Oct 27, 1995 | Sonat Exploration Company -Tyler | Blazek #4 | 15,400 | 28931230 |