| 364877 | Oct 9, 1989 | Oct 9, 1989 | Ashland Exploration, Inc. | High IS-SB | S. L. M-93482 94S/85S Unit #1 | 10,000 | 60630166 |
| 350622 | Aug 30, 1988 | Aug 30, 1988 | Ashland Exploration, Inc. | Duval | Driscoll Foundation #1 | 4,000 | 13137145 |
| 350264 | Aug 17, 1988 | Aug 17, 1988 | Ashland Exploration, Inc. | Matagorda | Steele, L. M. Trust #1 | 17,000 | 32131574 |
| 350264Amendment | Aug 17, 1988 | Aug 17, 1988 | Ashland Exploration, Inc. | Matagorda | Steele, L. M. Trust #1 | 17,000 | 32131574 |
| 305139 | Aug 12, 1986 | Aug 12, 1986 | Ashland Exploration, Inc. | Brazoria | Weiting #1 | 11,500 | 03932148 |
| 294669 | Dec 31, 1985 | Dec 31, 1985 | Ashland Exploration, Inc. | Wharton | Fields #1 | 15,000 | 48132944 |
| 279101 | Jul 1, 1985 | Jul 1, 1985 | Ashland Exploration, Inc. | Kleberg | Muil #1 | 16,000 | 27332005 |
| 277961 | Jun 18, 1985 | Jun 18, 1985 | Ashland Exploration, Inc. | Fort Bend | T. D. C. #1 | 9,500 | 15731651 |
| 267611 | Feb 25, 1985 | Feb 25, 1985 | Ashland Exploration, Inc. | Matagorda | Wright, J. D. #1 | 11,500 | 32131437 |
| 267163 | Feb 18, 1985 | Feb 18, 1985 | Ashland Exploration, Inc. | Lavaca | Steffek #1 | 11,000 | 28531886 |
| 266412 | Feb 11, 1985 | Feb 11, 1985 | Ashland Exploration, Inc. | Lavaca | Hobbs, W. A. #2 | 12,000 | 28531885 |
| 259601 | Dec 4, 1984 | Dec 4, 1984 | Ashland Exploration, Inc. | Matagorda | Harriman, W. H. #2 | 11,500 | 32131426 |
| 253374 | Oct 3, 1984 | Oct 3, 1984 | Ashland Exploration, Inc. | Nacogdoches | Charles Christian Unit #1 | 11,500 | 34731341 |
| 253177 | Oct 1, 1984 | Oct 1, 1984 | Ashland Exploration, Inc. | Matagorda | Sisson, H. H. #1 | 11,500 | 32131412 |
| 252832 | Sep 26, 1984 | Sep 26, 1984 | Ashland Exploration, Inc. | Lavaca | Hobbs, W. A. #1 | 15,000 | 28531854 |
| 252312 | Sep 21, 1984 | Sep 21, 1984 | Ashland Exploration, Inc. | Nacogdoches | S.F.O.T. Unit #1 | 449 | 34731339 |
| 236065 | Apr 19, 1984 | Apr 19, 1984 | Ashland Exploration, Inc. | Matagorda | Harriman, W. H. #1 | 11,500 | 32131376 |
| 235931 | Apr 16, 1984 | Apr 16, 1984 | Ashland Exploration, Inc. | Nacogdoches | Tatum, R. C. #1 | 11,000 | 34731288 |
| 225286 | Dec 30, 1983 | Dec 30, 1983 | Ashland Exploration, Inc. | Brazos | Lester Unit #1 | 10,500 | 04131079 |
| 217214 | Oct 14, 1983 | Oct 14, 1983 | Ashland Exploration, Inc. | Nacogdoches | Christian #1 | 11,500 | 34731229 |
| 46091 | Apr 11, 1979 | Apr 11, 1979 | Ashland Exploration, Inc. | Refugio | Buck, I.G.W. #11 | 6,100 | 39131267 |
| 39041 | Dec 15, 1978 | Dec 15, 1978 | Ashland Exploration, Inc. | Anderson | Swanson, H. C. Estate #1 | 5,491 | 00130904 |
| 38254 | Dec 6, 1978 | Dec 6, 1978 | Ashland Exploration, Inc. | Kent | Seston, A. J. #1-132 | 7,600 | 26330628 |
| 31592 | Aug 29, 1978 | Aug 29, 1978 | Ashland Exploration, Inc. | Upshur | Proctor, W. L. #1 | 11,933 | 45930413 |
| 31189 | Aug 23, 1978 | Aug 23, 1978 | Ashland Exploration, Inc. | Crockett | University "C" #7 | 2,650 | 10532037 |
| 31751 | Aug 21, 1978 | Aug 21, 1978 | Ashland Exploration, Inc. | Crosby | Jones, L. B. #1-84 | 8,211 | 10730320 |
| 29902 | Aug 2, 1978 | Aug 2, 1978 | Ashland Exploration, Inc. | Anderson | Warren, W. G. #1 | 5,613 | 00130889 |
| 28629 | Jul 17, 1978 | Jul 17, 1978 | Ashland Exploration, Inc. | Refugio | Buck, I.G.W. #11 | 6,100 | 39131267 |
| 28602 | Jul 17, 1978 | Jul 17, 1978 | Ashland Exploration, Inc. | Colorado | Stiles-Lookinland Unit #1 | 4,511 | 08930981 |
| 28546 | Jul 14, 1978 | Jul 14, 1978 | Ashland Exploration, Inc. | Crosby | Barnett, Winnie #4 | 7,434 | 10730321 |
| 28499 | Jul 14, 1978 | Jul 14, 1978 | Ashland Exploration, Inc. | Stonewall | Gaskill-Reese #1-372 | 6,945 | 43330850 |
| 27223 | Jun 23, 1978 | Jun 23, 1978 | Ashland Exploration, Inc. | Crockett | University -C- #4 | 2,650 | 10531976 |
| 26646 | Jun 16, 1978 | Jun 16, 1978 | Ashland Exploration, Inc. | Sherman | Fuentes #1-104 | 3,200 | 42130215 |
| 26372 | Jun 13, 1978 | Jun 13, 1978 | Ashland Exploration, Inc. | Dickens | Stephens, John #1-147 | 7,250 | 12530199 |
| 26330 | Jun 13, 1978 | Jun 13, 1978 | Ashland Exploration, Inc. | Fisher | Moore, S. Kyle #1 | 6,121 | 15181058 |
| 23617 | May 5, 1978 | May 5, 1978 | Ashland Exploration, Inc. | Kent | Daugherty, J. H. #1-39 | 7,200 | 26330596 |
| 23281 | May 1, 1978 | May 1, 1978 | Ashland Exploration, Inc. | Crockett | University "C" #3 | 2,600 | 10531937 |
| 21784 | Apr 10, 1978 | Apr 10, 1978 | Ashland Exploration, Inc. | Midland | Braden, Walter 17 #2 | 8,950 | 32900074 |
| 20560 | Mar 22, 1978 | Mar 22, 1978 | Ashland Exploration, Inc. | Glasscock | Whitehouse #47-8 | 9,100 | 17300319 |
| 20189 | Mar 16, 1978 | Mar 16, 1978 | Ashland Exploration, Inc. | Hill | Horn, J. Herbert #2 | 1,575 | 21730199 |
| 20188 | Mar 14, 1978 | Mar 14, 1978 | Ashland Exploration, Inc. | Hill | Horn, J. Herbert #1 | 1,233 | 21730198 |
| 19715 | Mar 9, 1978 | Mar 9, 1978 | Ashland Exploration, Inc. | Crosby | Woodward, Durwood E. #3 | 8,200 | 10730312 |
| 19169 | Feb 28, 1978 | Feb 28, 1978 | Ashland Exploration, Inc. | Hill | Hawkins, Irvin #1 | 805 | 21730197 |
| 27035 | Feb 3, 1978 | Feb 3, 1978 | Ashland Exploration, Inc. | Victoria | Miori, Joe #1 | 6,008 | 46900145 |
| 17312 | Jan 30, 1978 | Jan 30, 1978 | Ashland Exploration, Inc. | Brazos | Lang, J. T. #1 | 8,800 | 04130372 |
| 16329 | Jan 13, 1978 | Jan 13, 1978 | Ashland Exploration, Inc. | Hill | Mills, Weldon Otto #1 | 887 | 21730196 |
| 15371 | Jan 3, 1978 | Jan 3, 1978 | Ashland Exploration, Inc. | Colorado | Baker-Taylor #1 | 4,522 | 08930920 |
| 14609 | Dec 22, 1977 | Dec 22, 1977 | Ashland Exploration, Inc. | Glasscock | Whitehouse #47-1 | 8,900 | 17300313 |
| 15272 | Dec 15, 1977 | Dec 15, 1977 | Ashland Exploration, Inc. | Crosby | Cannon Estate #1 | 8,200 | 10730300 |
| 11247 | Dec 2, 1977 | Dec 2, 1977 | Ashland Exploration, Inc. | Crosby | Barnett, Winnie #3 | 7,550 | 10730298 |
| 11227 | Nov 2, 1977 | Nov 2, 1977 | Ashland Exploration, Inc. | Midland | Davenport, R. S. 46 #3 | 8,900 | 32900072 |
| 11073 | Oct 31, 1977 | Oct 31, 1977 | Ashland Exploration, Inc. | Midland | Davenport, R. S. 46 #5 | 8,900 | 32900078 |
| 10907 | Oct 28, 1977 | Oct 28, 1977 | Ashland Exploration, Inc. | Brazos | Lang-Guerrero Unit #1 | 8,750 | 04130337 |
| 10244 | Oct 20, 1977 | Oct 20, 1977 | Ashland Exploration, Inc. | Dickens | Dobbins, Pike #3 | 7,550 | 12530196 |
| 9499 | Oct 11, 1977 | Oct 11, 1977 | Ashland Exploration, Inc. | Glasscock | Davenport, R. S. "A" #3-2 | 8,940 | 17300696 |
| 8459 | Sep 26, 1977 | Sep 26, 1977 | Ashland Exploration, Inc. | Crosby | Barnett, Winnie #2 | 7,550 | 10730100 |
| 8414 | Sep 26, 1977 | Sep 26, 1977 | Ashland Exploration, Inc. | Brazos | Lang, James "a" Unit #1 | 8,750 | 04130332 |
| 7825 | Sep 16, 1977 | Sep 16, 1977 | Ashland Exploration, Inc. | Crosby | Cannon, Robert #2 | 7,550 | 10730292 |