| 118999 | May 20, 1981 | May 20, 1981 | Amoco Production Company | North Cowden Unit #1115 | 4,375 | 13533656 |
| 118777 | May 20, 1981 | May 20, 1981 | Arco Oil & Gas Co. | Johnson, J.L. "AB" #132 W | 4,260 | 13533671 |
| 118775 | May 20, 1981 | May 20, 1981 | Arco Oil & Gas Co. | Johnson, J.L. "AB" #131 W | 4,260 | 13533670 |
| 124937 | May 19, 1981 | May 19, 1981 | Arco Oil & Gas Co. | Johnson, J.L. "AB" #128 | 4,260 | 13533663 |
| 124654 | May 19, 1981 | May 19, 1981 | Arco Oil & Gas Co. | Johnson, J. L. "AB" (18883) #130 | 4,260 | 13533664 |
| 117970 | May 13, 1981 | May 13, 1981 | Blair, Jack N. | Vest Ranch #2 | 9,100 | 13533668 |
| 117599 | May 11, 1981 | May 11, 1981 | Vega Petroleum Corporation | Miller, Herb "A" #3 | 7,750 | 13533666 |
| 117922 | May 6, 1981 | May 6, 1981 | Sun Expl. & Prod. Co.-Midland | Grayburg Gas Unit IX #2 | 4,150 | 13533667 |
| 117854 | May 6, 1981 | May 6, 1981 | Amoco Production Company | North Cowden Unit #1089 | 4,750 | 13533642 |
| 117853 | May 6, 1981 | May 6, 1981 | Amoco Production Company | North Cowden Unit #1088 | 4,750 | 13533643 |
| 117852 | May 6, 1981 | May 6, 1981 | Amoco Production Company | North Cowden Unit #1087 | 4,750 | 13533644 |
| 117812 | May 6, 1981 | May 6, 1981 | Amoco Production Company | North Cowden Unit #1090 | 4,750 | 13533641 |
| 117811 | May 6, 1981 | May 6, 1981 | Amoco Production Company | North Cowden Unit #1095 | 4,450 | 13533640 |
| 117810 | May 6, 1981 | May 6, 1981 | Amoco Production Company | North Cowden Unit #1097 | 4,500 | 13533639 |
| 117809 | May 6, 1981 | May 6, 1981 | Amoco Production Company | North Cowden Unit #1098 | 4,450 | 13533638 |
| 117808 | May 6, 1981 | May 6, 1981 | Amoco Production Company | North Cowden Unit #1100 | 4,400 | 13533637 |
| 117807 | May 6, 1981 | May 6, 1981 | Amoco Production Company | North Cowden Unit #1101 | 4,425 | 13533636 |
| 117806 | May 6, 1981 | May 6, 1981 | Amoco Production Company | North Cowden Unit #1091 | 4,750 | 13533634 |
| 117805 | May 6, 1981 | May 6, 1981 | Amoco Production Company | North Cowden Unit #1103 | 4,425 | 13533635 |
| 117804 | May 6, 1981 | May 6, 1981 | Amoco Production Company | North Cowden Unit #1086 | 4,650 | 13533645 |
| 117126 | May 5, 1981 | May 5, 1981 | Foster Testers, Inc. | Parker et Al #1 | 4,200 | 13533650 |
| 117116 | May 5, 1981 | May 5, 1981 | Arco Oil & Gas Co. | Johnson, J. L. "AB" #127 | 4,260 | 13533649 |
| 117114 | May 5, 1981 | May 5, 1981 | Arco Oil & Gas Co. | Johnson, J. L. "AB" #126 | 4,260 | 13533648 |
| 117079 | May 5, 1981 | May 5, 1981 | Phillips Petroleum Company | Goldsmith Andector Unit #E-13 | 6,310 | 13500392 |
| 117059 | May 4, 1981 | May 4, 1981 | Amoco Production Company | Fasken, David "BM" #1 | 11,000 | 13533647 |
| 117074 | May 1, 1981 | May 1, 1981 | Phillips Petroleum Company | Moss-C #1 | 4,370 | 13510486 |
| 116355 | Apr 28, 1981 | Apr 28, 1981 | Sun Expl. & Prod. Co.-Midland | Moss, Paul Unit #193 | 4,600 | 13533626 |
| 118738 | Apr 27, 1981 | Apr 27, 1981 | Amoco Production Company | Cowden, W.F. #30 | 8,100 | 13533461 |
| 115641 | Apr 20, 1981 | Apr 20, 1981 | Arco Oil & Gas Co. | Johnson, J.L. "AB" #122 W | 4,260 | 13533624 |
| 115601 | Apr 20, 1981 | Apr 20, 1981 | Arco Oil & Gas Co. | Johnson, J.L. "AB" #124 W | 4,260 | 13533625 |
| 115484 | Apr 17, 1981 | Apr 17, 1981 | Sun Exploration & Production Co. | North Lawson Unit #13-1 | 4,500 | 13533632 |
| 115482 | Apr 17, 1981 | Apr 17, 1981 | Sun Exploration & Production Co. | North Lawson Unit #5-8 | 4,500 | 13533631 |
| 115478 | Apr 17, 1981 | Apr 17, 1981 | Empire Oil & Gas Co. | Parker, J.E. "A" #1 | 4,350 | 13503729 |
| 115476 | Apr 17, 1981 | Apr 17, 1981 | Empire Oil & Gas Co. | Parker, J.E. "A" #2 | 4,360 | 13585572 |
| 115474 | Apr 17, 1981 | Apr 17, 1981 | Mobil Producing TX. & N.M. Inc. | Ratliff, Sallie W. #10 | 12,500 | 13533630 |
| 115464 | Apr 17, 1981 | Apr 17, 1981 | Mobil Producing TX. & N.M. Inc. | Ratliff, Sallie W. #11 | 12,500 | 13533629 |
| 115462 | Apr 17, 1981 | Apr 17, 1981 | Arco Oil & Gas Co. | Johnson, J.L. "AB" #125 | 4,260 | 13533628 |
| 115423 | Apr 17, 1981 | Apr 17, 1981 | Southland Royalty Company | Edwards Field Grayburg Unit #7-30 | 3,800 | 13533627 |
| 117964 | Apr 15, 1981 | Apr 15, 1981 | Shell Oil Company | Thomas -F- #9 | 8,026 | 13507033 |
| 114958 | Apr 13, 1981 | Apr 13, 1981 | Bandera Energy Company | Edwards Estate #1-32 | 13,600 | 13533623 |
| 114456 | Apr 9, 1981 | Apr 9, 1981 | Southland Royalty Company | Edwards Field Grayburg Unit #7-31 | 3,800 | 13533619 |
| 114455 | Apr 9, 1981 | Apr 9, 1981 | Southland Royalty Company | Edwards Field Grayburg Unit #6-8 | 3,800 | 13533618 |
| 114953 | Apr 8, 1981 | Apr 8, 1981 | Sun Exploration & Production Co. | North Lawson Unit #6-7 | 4,500 | 13533622 |
| 114950 | Apr 8, 1981 | Apr 8, 1981 | Exxon Corp. | Yarbrough & Allen #23 | 10,759 | 13505231 |
| 114395 | Apr 8, 1981 | Apr 8, 1981 | Gulf Oil Corp. | Goldsmith San Andres Unit #2-173 | 4,400 | 13533617 |
| 114394 | Apr 8, 1981 | Apr 8, 1981 | Gulf Oil Corp. | Goldsmith San Andres Unit #2-170 | 4,400 | 13533616 |
| 114378 | Apr 8, 1981 | Apr 8, 1981 | Arco Oil & Gas Co. | Johnson, J.L. "AB" #123 | 4,260 | 13533615 |
| 114377 | Apr 8, 1981 | Apr 8, 1981 | Arco Oil & Gas Co. | Johnson, J.L. "AB" #121 | 4,260 | 13533614 |
| 114231 | Apr 8, 1981 | Apr 8, 1981 | Arco Oil & Gas Co. | Johnson, J.L. "AB" #120 W | 4,260 | 13533608 |
| 114471 | Apr 3, 1981 | Apr 3, 1981 | Santa FE Energy Co. | SPC #1 | 4,500 | 13533620 |
| 113983 | Apr 3, 1981 | Apr 3, 1981 | Hillin Prod. Co. | Amburgey "22" #1 | 6,700 | 13533613 |
| 113981 | Apr 2, 1981 | Apr 2, 1981 | Kaspar, A. G. | Lynch #1 | 13,450 | 13533612 |
| 115514 | Mar 30, 1981 | Mar 30, 1981 | Cities Service Company | Johnson "A" #8 | 9,500 | 13533633 |
| 113537 | Mar 27, 1981 | Mar 27, 1981 | Arco Oil & Gas Co. | Johnson, J.L. "AB" #119 | 4,260 | 13533611 |
| 117975 | Mar 26, 1981 | Mar 26, 1981 | Cabot Corp. | Anderson, C.H.C. "B" #1 | 10,675 | 13504950 |
| 113367 | Mar 26, 1981 | Mar 26, 1981 | Minihan, Tom R. | Gist "A" #1 | 4,700 | 13533610 |
| 113354 | Mar 26, 1981 | Mar 26, 1981 | Exxon Corp. | Yarbrough & Allen #90 | 8,700 | 13533609 |
| 113060 | Mar 24, 1981 | Mar 24, 1981 | Coquina Oil Corporation | Royal #1 | 6,325 | 13508236 |
| 112246 | Mar 13, 1981 | Mar 13, 1981 | Amoco Production Company | Cowden, Elliott F. "A" #148 | 5,000 | 13534093 |
| 112243 | Mar 13, 1981 | Mar 13, 1981 | Cities Service Company | Cummins "S" #8 | 4,600 | 13533606 |
| 112242 | Mar 13, 1981 | Mar 13, 1981 | Cities Service Company | Cummins "S" #7 | 4,600 | 13533605 |
| 112241 | Mar 13, 1981 | Mar 13, 1981 | Cities Service Company | Cummins "S" #6 | 4,600 | 13533604 |
| 111521 | Mar 10, 1981 | Mar 10, 1981 | Minihan, Tom R. | Gist #1 | 1,650 | 13585679 |
| 110913 | Mar 5, 1981 | Mar 5, 1981 | Texaco Inc. | McDonald, Ida #17 | 8,620 | 13502318 |
| 110861 | Mar 5, 1981 | Mar 5, 1981 | Rankin Oil Co. | Douro #2 | 4,600 | 13533602 |
| 110858 | Mar 5, 1981 | Mar 5, 1981 | Rankin Oil Co. | Douro #1 | 4,600 | 13533601 |
| 110920 | Mar 3, 1981 | Mar 3, 1981 | Minihan, Tom R. | Barrow #5 | 4,700 | 13533603 |
| 110014 | Mar 2, 1981 | Mar 2, 1981 | Gulf Oil Corp. | Goldsmith San Andres Unit #2-172 | 4,400 | 13533600 |
| 110006 | Mar 2, 1981 | Mar 2, 1981 | Amoco Production Company | Cowden, Elliott F. "B" #88 | 4,700 | 13534091 |
| 109996 | Mar 2, 1981 | Mar 2, 1981 | Amoco Production Company | Midland Farms "AU" #3 | 10,150 | 13531987 |
| 109957 | Mar 2, 1981 | Mar 2, 1981 | Kaspar, A. G. | Cowden Ward #1 | 4,800 | 13535200 |
| 109954 | Mar 2, 1981 | Mar 2, 1981 | Amoco Production Company | Cowden, Elliott F. "A" #144 | 9,700 | 13533596 |
| 109528 | Feb 25, 1981 | Feb 25, 1981 | Amoco Production Company | Midland Farms "AJ" #2 | 10,150 | 13531915 |
| 109269 | Feb 23, 1981 | Feb 23, 1981 | Arco Oil & Gas Co. | Foster, H. C. #8 | 4,350 | 13533595 |
| 109089 | Feb 20, 1981 | Feb 20, 1981 | Arco Oil & Gas Co. | Foster, H. C. #7W | 4,330 | 13533590 |
| 108956 | Feb 19, 1981 | Feb 19, 1981 | Union Oil Company of California | Moss Unit #1006-A | 4,860 | 13533592 |
| 108858 | Feb 18, 1981 | Feb 18, 1981 | Arco Oil & Gas Co. | Foster, H. C. #9 | 4,380 | 13533591 |
| 108597 | Feb 17, 1981 | Feb 17, 1981 | Shell Oil Company | Thomas -D & E- #3 | 5,880 | 13507059 |
| 110002 | Feb 13, 1981 | Feb 13, 1981 | Shell Oil Company | Witcher -A- #12 | 4,600 | 13533598 |
| 108986 | Feb 12, 1981 | Feb 12, 1981 | Crystal Oil and Land Co. | TXL "B" #3-A | 4,500 | 13533594 |
| 108984 | Feb 12, 1981 | Feb 12, 1981 | Crystal Oil and Land Co. | TXL "B" #4 | 9,620 | 13533593 |
| 128121 | Feb 9, 1981 | Feb 9, 1981 | Arco Oil & Gas Co. | Goldsmith Cummins (Deep)unit #174 | 6,400 | 13533586 |
| 117488 | Feb 9, 1981 | Feb 9, 1981 | Arco Oil & Gas Co. | Goldsmith-Cummins (Deep) Unit #172 | 6,400 | 13533584 |
| 117153 | Feb 9, 1981 | Feb 9, 1981 | Arco Oil & Gas Co. | Goldsmith Cummins (Deep) Unit #175 | 6,400 | 13533585 |
| 112698 | Feb 9, 1981 | Feb 9, 1981 | Arco Oil & Gas Co. | Goldsmith Cummins (Deep) Unit #173 | 6,400 | 13533583 |
| 107357 | Feb 3, 1981 | Feb 3, 1981 | American Petrofina Co. of Tex. | East Penwell (San Andres) Unit #407-AW | 3,850 | 13533587 |
| 107065 | Jan 30, 1981 | Jan 30, 1981 | Gen. Amer. Oil Co. of Texas | Maurice, R. #9 | 4,600 | 13533589 |
| 107057 | Jan 30, 1981 | Jan 30, 1981 | Amoco Production Company | Kayser, Eva B. #5 | 9,700 | 13534684 |
| 106994 | Jan 30, 1981 | Jan 30, 1981 | Shell Oil Company | University -D- #13 | 8,935 | 13505129 |
| 106886 | Jan 29, 1981 | Jan 29, 1981 | Cities Service Company | Thomas C #6 | 9,800 | 13506974 |
| 106295 | Jan 21, 1981 | Jan 21, 1981 | Phillips Petroleum Company | Deford #5 | 6,450 | 13533579 |
| 106294 | Jan 21, 1981 | Jan 21, 1981 | Phillips Petroleum Company | Blakeney #7 | 6,450 | 13533580 |
| 106288 | Jan 21, 1981 | Jan 21, 1981 | Phillips Petroleum Company | Weyman #5 | 6,450 | 13533581 |
| 106287 | Jan 21, 1981 | Jan 21, 1981 | Phillips Petroleum Company | Mooers #5 | 6,450 | 13533582 |
| 118979 | Jan 14, 1981 | Jan 14, 1981 | Amoco Production Company | Cowden, Elliot F. #140 | 10,000 | 13533680 |
| 106637 | Jan 12, 1981 | Jan 12, 1981 | Union Oil Company of California | Moss Unit #17-18 | 4,750 | 13533554 |
| 106636 | Jan 12, 1981 | Jan 12, 1981 | Union Oil Company of California | Moss Unit #17-17 | 4,730 | 13533555 |
| 104594 | Jan 9, 1981 | Jan 9, 1981 | Conoco Inc. | Gist Unit #128 | 5,750 | 13533511 |
| 104582 | Dec 31, 1980 | Dec 31, 1980 | Petroleum Corporation of Texas | Blakeney "32" #6 | 4,300 | 13533578 |
| 104550 | Dec 31, 1980 | Dec 31, 1980 | Rankin Oil Co. | Cross #2 | 4,400 | 13533577 |