| 271666 | Apr 4, 1985 | Apr 4, 1985 | Petrolero Exploration, Inc. | Shackelford | Davis Estate B #1 | 3,500 | 41736249 |
| 264028 | Dec 31, 1984 | Dec 31, 1984 | Petrolero Exploration, Inc. | Shackelford | Davis Estate A #1 | 1,999 | 41736131 |
| 232831 | Mar 20, 1984 | Mar 20, 1984 | Petrolero Exploration, Inc. | Runnels | Bryan #1 | 5,000 | 39932699 |
| 223916 | Dec 16, 1983 | Dec 16, 1983 | Petrolero Exploration, Inc. | Shackelford | Davis #1 | 4,000 | 41735615 |
| 213994 | Sep 22, 1983 | Sep 22, 1983 | Petrolero Exploration, Inc. | Coleman | Sealy Foundation #3 | 3,000 | 08333797 |
| 218514 | Sep 20, 1983 | Sep 20, 1983 | Petrolero Exploration, Inc. | Runnels | Tubestar #1 | 4,800 | 39932900 |
| 206315 | Aug 18, 1983 | Aug 18, 1983 | Petrolero Exploration, Inc. | Coleman | Sealy-Foundation #2 | 2,700 | 08333657 |
| 193451 | May 5, 1983 | May 5, 1983 | Petrolero Exploration, Inc. | Runnels | Bryan 17 #1 | 5,000 | 39932752 |
| 188328 | Mar 14, 1983 | Mar 14, 1983 | Petrolero Exploration, Inc. | Coleman | Sealy Foundation #1 | 4,300 | 08333416 |
| 186731 | Feb 23, 1983 | Feb 23, 1983 | Petrolero Exploration, Inc. | Runnels | Bryan #1 | 5,000 | 39932699 |
| 183447 | Dec 31, 1982 | Dec 31, 1982 | Petrolero Exploration, Inc. | Eastland | Scott "B" #1 | 4,200 | 13334610 |
| 175001 | Sep 30, 1982 | Sep 30, 1982 | Petrolero Exploration, Inc. | Runnels | Tarr #1 | 5,000 | 39932585 |
| 168244 | Aug 2, 1982 | Aug 2, 1982 | Petrolero Exploration, Inc. | Runnels | Jonas, Harry #1 | 4,800 | 39932522 |
| 164512 | Jun 23, 1982 | Jun 23, 1982 | Petrolero Exploration, Inc. | Eastland | Scott "A" #1 | 3,600 | 13334067 |
| 163935 | Jun 17, 1982 | Jun 17, 1982 | Petrolero Exploration, Inc. | Jones | Coonrod #1 | 2,100 | 25332257 |
| 156615 | Apr 12, 1982 | Apr 12, 1982 | Petrolero Exploration, Inc. | Coleman | Clayton "A" #1 | 3,950 | 08332984 |
| 147812 | Jan 18, 1982 | Jan 18, 1982 | Petrolero Exploration, Inc. | Jones | Dorsey Estate #2 | 2,500 | 25332122 |
| 146462 | Dec 30, 1981 | Dec 30, 1981 | Petrolero Exploration, Inc. | Fisher | Bayouth #1 | 3,900 | 15131458 |
| 145570 | Dec 29, 1981 | Dec 29, 1981 | Petrolero Exploration, Inc. | Coleman | Outlaw-Sealy #1 | 3,500 | 08332804 |
| 144195 | Dec 14, 1981 | Dec 14, 1981 | Petrolero Exploration, Inc. | Concho | Smith #1 | 3,750 | 09530470 |
| 144194 | Dec 14, 1981 | Dec 14, 1981 | Petrolero Exploration, Inc. | Concho | Speck "A" #1 | 3,850 | 09530482 |
| 143845 | Dec 11, 1981 | Dec 11, 1981 | Petrolero Exploration, Inc. | Haskell | Moeller #1 | 3,900 | 20731187 |
| 139967 | Nov 6, 1981 | Nov 6, 1981 | Petrolero Exploration, Inc. | Runnels | Bragg #1 | 5,000 | 39932229 |
| 139354 | Nov 3, 1981 | Nov 3, 1981 | Petrolero Exploration, Inc. | Coke | Durham #5 | 6,700 | 08131064 |
| 133605 | Aug 28, 1981 | Aug 28, 1981 | Petrolero Exploration, Inc. | Runnels | Smith, J.C. #1 | 4,450 | 39932136 |
| 130656 | Aug 21, 1981 | Aug 21, 1981 | Petrolero Exploration, Inc. | Coleman | Hallmark-Keel #1 | 3,500 | 08332448 |
| 130844 | Aug 19, 1981 | Aug 19, 1981 | Petrolero Exploration, Inc. | Coleman | Hallmark-Keel "A" #1 | 3,600 | 08332647 |
| 122933 | Jun 29, 1981 | Jun 29, 1981 | Petrolero Exploration, Inc. | McCulloch | Walker, Larry #2 | 2,150 | 30730599 |
| 122932 | Jun 29, 1981 | Jun 29, 1981 | Petrolero Exploration, Inc. | McCulloch | Walker, Larry #1 | 2,069 | 30730598 |
| 123651 | Jun 23, 1981 | Jun 23, 1981 | Petrolero Exploration, Inc. | Coleman | Clayton #2 | 4,100 | 08301277 |
| 123567 | Jun 23, 1981 | Jun 23, 1981 | Petrolero Exploration, Inc. | Coleman | Clayton #1 | 4,100 | 08332566 |
| 118026 | May 14, 1981 | May 14, 1981 | Petrolero Exploration, Inc. | Runnels | Teal, Mildred Jean #1 | 4,598 | 39932017 |
| 117559 | May 8, 1981 | May 8, 1981 | Petrolero Exploration, Inc. | McCulloch | Caylor, W. D. #1 | 1,500 | 30730595 |
| 117077 | May 5, 1981 | May 5, 1981 | Petrolero Exploration, Inc. | Jones | Dorsey Estate #1 | 2,412 | 25331842 |
| 112819 | Mar 23, 1981 | Mar 23, 1981 | Petrolero Exploration, Inc. | Coleman | Hallmark-Keel #1 | 3,500 | 08332448 |
| 110142 | Mar 2, 1981 | Mar 2, 1981 | Petrolero Exploration, Inc. | Shackelford | Farmer-Goodwin #1A | 4,500 | 41733823 |
| 108377 | Feb 12, 1981 | Feb 12, 1981 | Petrolero Exploration, Inc. | Shackelford | Farmer-Goodwin #1 | 4,500 | 41733706 |
| 106014 | Jan 9, 1981 | Jan 9, 1981 | Petrolero Exploration, Inc. | Runnels | Jacob Estate #1 | 4,738 | 39931848 |
| 104493 | Dec 31, 1980 | Dec 31, 1980 | Petrolero Exploration, Inc. | Jones | Beauchamp #4 | 3,000 | 25331727 |
| 104491 | Dec 31, 1980 | Dec 31, 1980 | Petrolero Exploration, Inc. | Jones | Beauchamp #3 | 3,000 | 25331726 |
| 104489 | Dec 31, 1980 | Dec 31, 1980 | Petrolero Exploration, Inc. | Jones | Beauchamp #2 | 3,000 | 25331725 |
| 104488 | Dec 31, 1980 | Dec 31, 1980 | Petrolero Exploration, Inc. | Jones | Beauchamp #1 | 3,200 | 25331724 |
| 97926 | Nov 3, 1980 | Nov 3, 1980 | Petrolero Exploration, Inc. | Comanche | Singleton "A" #2 | 6,640 | 09330788 |
| 93678 | Sep 24, 1980 | Sep 24, 1980 | Petrolero Exploration, Inc. | Runnels | Yates 'A' #1 | 4,850 | 39931736 |
| 91295 | Aug 25, 1980 | Aug 25, 1980 | Petrolero Exploration, Inc. | Eastland | Gorr #1 | 3,785 | 13332510 |
| 88922 | Aug 6, 1980 | Aug 6, 1980 | Petrolero Exploration, Inc. | Runnels | Sparkman, J. S. #1 | 4,850 | 39931693 |
| 88909 | Aug 6, 1980 | Aug 6, 1980 | Petrolero Exploration, Inc. | Runnels | Bauer, Mary L. #1 | 4,826 | 39931688 |
| 85845 | Jul 7, 1980 | Jul 7, 1980 | Petrolero Exploration, Inc. | Jones | Baucum, C. A. Jr. #1 | 3,200 | 25331531 |
| 83321 | Jun 10, 1980 | Jun 10, 1980 | Petrolero Exploration, Inc. | Runnels | Smith, T. A. #1 | 4,850 | 39931644 |
| 81964 | May 23, 1980 | May 23, 1980 | Petrolero Exploration, Inc. | Concho | Kitchens "A" #1 | 3,850 | 09530489 |
| 81160 | May 14, 1980 | May 14, 1980 | Petrolero Exploration, Inc. | Taylor | Kendrick, E. O. #1 | 2,788 | 44131605 |
| 80506 | May 7, 1980 | May 7, 1980 | Petrolero Exploration, Inc. | Concho | Kitchens #1 | 3,850 | 09530483 |
| 80505 | May 7, 1980 | May 7, 1980 | Petrolero Exploration, Inc. | Concho | Speck 'A' #1 | 3,850 | 09530482 |
| 80183 | May 2, 1980 | May 2, 1980 | Petrolero Exploration, Inc. | Concho | Speck #1 | 3,734 | 09530481 |
| 77515 | Apr 8, 1980 | Apr 8, 1980 | Petrolero Exploration, Inc. | Coke | Durham #4 | 6,700 | 08130894 |
| 77320 | Apr 4, 1980 | Apr 4, 1980 | Petrolero Exploration, Inc. | Eastland | Scott, J. L. #1 | 3,850 | 13332282 |
| 72700 | Feb 8, 1980 | Feb 8, 1980 | Petrolero Exploration, Inc. | Runnels | Price #1 | 4,450 | 39931525 |
| 71814 | Feb 5, 1980 | Feb 5, 1980 | Petrolero Exploration, Inc. | Concho | Smith #1 | 3,750 | 09530470 |
| 60060 | Oct 9, 1979 | Oct 9, 1979 | Petrolero Exploration, Inc. | Coke | Durham #3 | 6,700 | 08130822 |
| 57146 | Sep 5, 1979 | Sep 5, 1979 | Petrolero Exploration, Inc. | Runnels | Yates, C. R. #1 | 4,800 | 39931406 |
| 54234 | Aug 2, 1979 | Aug 2, 1979 | Petrolero Exploration, Inc. | Runnels | Stephens, H. A. Est. 'A' #1 | 4,167 | 39931397 |
| 51432 | Jun 20, 1979 | Jun 20, 1979 | Petrolero Exploration, Inc. | Taylor | Miller,j. R. #1 | 2,400 | 44131410 |
| 41369 | Jan 24, 1979 | Jan 24, 1979 | Petrolero Exploration, Inc. | Coke | Durham #2 | 6,240 | 08130008 |
| 41368 | Jan 24, 1979 | Jan 24, 1979 | Petrolero Exploration, Inc. | Coke | Durham #1 | 7,070 | 08130729 |
| 30894 | Aug 21, 1978 | Aug 21, 1978 | Petrolero Exploration, Inc. | Comanche | Singleton #1 | 3,000 | 09330563 |