| 134039 | Sep 23, 1981 | Sep 23, 1981 | U. S. Operating, Inc. | Alfreda Unit #128731053 | 9,000 |
| 134037 | Sep 23, 1981 | Sep 23, 1981 | U. S. Operating, Inc. | Francis #128731052 | 8,600 |
| 134035 | Sep 23, 1981 | Sep 23, 1981 | Windsor Producing Co. | Mertink Unit #128731051 | 9,300 |
| 137429 | Sep 22, 1981 | Sep 22, 1981 | General Prod. Corp. | Gantt, T.K. Unit #128730785 | 11,000 |
| 137310 | Sep 22, 1981 | Sep 22, 1981 | General Prod. Corp. | Lehmann, Kenneth #128730786 | 11,000 |
| 134156 | Sep 22, 1981 | Sep 22, 1981 | U. S. Operating, Inc. | Mamie #128731056 | 9,000 |
| 134012 | Sep 22, 1981 | Sep 22, 1981 | Bar M Petroleum Co., Inc. | Laake #128731050 | 8,200 |
| 133244 | Sep 15, 1981 | Sep 15, 1981 | Nucorp Energy, Inc. | Clemons Unit No. 3 #128731048 | 7,867 |
| 133181 | Sep 15, 1981 | Sep 15, 1981 | U. S. Operating, Inc. | Ginger Unit #128731047 | 9,000 |
| 133176 | Sep 15, 1981 | Sep 15, 1981 | U. S. Operating, Inc. | Nadine Unit #128731046 | 9,300 |
| 133174 | Sep 15, 1981 | Sep 15, 1981 | Tipperary Oil & Gas Corporation | Knight #128731045 | 9,000 |
| 133361 | Sep 14, 1981 | Sep 14, 1981 | Bar M Petroleum Co., Inc. | Riske #128731025 | 8,200 |
| 134076 | Sep 10, 1981 | Sep 10, 1981 | Champlin Exploration, Inc. | Gerdes - Bredthauer #128731055 | 8,900 |
| 132566 | Sep 8, 1981 | Sep 8, 1981 | Windsor Producing Co. | Ramirez #128731034 | 9,000 |
| 132464 | Sep 8, 1981 | Sep 8, 1981 | Hankamer, Curtis Corporation,the | Simmank, Otto #128730274 | 9,074 |
| 132452 | Sep 8, 1981 | Sep 8, 1981 | Windsor Producing Co. | Delta "P" #228731041 | 9,800 |
| 132446 | Sep 8, 1981 | Sep 8, 1981 | Santa FE - Windsor Producing Co. | Erwin Unit #128731040 | 9,550 |
| 132443 | Sep 8, 1981 | Sep 8, 1981 | Humble Exploration Co., Inc. | Jessie Mae #128731039 | 10,500 |
| 132442 | Sep 8, 1981 | Sep 8, 1981 | Humble Exploration Co., Inc. | Lauderdale, Josie Unit #128731038 | 10,300 |
| 132568 | Sep 4, 1981 | Sep 4, 1981 | Humble Exploration Co., Inc. | Weeks, Mildred Unit #128731043 | 10,500 |
| 132375 | Sep 4, 1981 | Sep 4, 1981 | Williams, Clayton W., Jr. | Parrish, Elmer J. -A- #328731037 | 12,000 |
| 132366 | Sep 4, 1981 | Sep 4, 1981 | U. S. Operating, Inc. | Kerry #128731036 | 9,000 |
| 133232 | Aug 31, 1981 | Aug 31, 1981 | Coffman, Thomas D. Inc. | Bush-Miertschin Unit #128731023 | 9,500 |
| 131789 | Aug 28, 1981 | Aug 28, 1981 | Windsor Producing Co. | Goins Unit #128731035 | 9,500 |
| 130817 | Aug 24, 1981 | Aug 24, 1981 | Santa FE - Windsor Producing Co. | Mitschke, Harry Estate #128731033 | 8,400 |
| 130757 | Aug 24, 1981 | Aug 24, 1981 | General Prod. Corp. | Coffield, H. H. Est Unit 1 #128731031 | 10,000 |
| 130763 | Aug 19, 1981 | Aug 19, 1981 | Austin Oil & Mineral | Smith, P. #128731032 | 3,750 |
| 131887 | Aug 17, 1981 | Aug 17, 1981 | Williams, Clayton W., Jr. | Humphrey Benson Unit #428730739 | 10,000 |
| 131342 | Aug 14, 1981 | Aug 14, 1981 | Windsor Producing Co. | Ramirez #128731034 | 9,000 |
| 129960 | Aug 12, 1981 | Aug 12, 1981 | Windsor Producing Co. | Hirsch Young Unit #128731028 | 9,000 |
| 129959 | Aug 12, 1981 | Aug 12, 1981 | Windsor Producing Co. | Hirsch Young Unit #128731028 | 9,000 |
| 129878 | Aug 12, 1981 | Aug 12, 1981 | Houston Oil & Minerals Corp. | Grimm, Edwin W. #328730915 | 8,762 |
| 129580 | Aug 11, 1981 | Aug 11, 1981 | Church Oil & Gas, Inc. (A) | Johnson, Norman #128731022 | 8,000 |
| 129357 | Aug 10, 1981 | Aug 10, 1981 | Evergreen Oil Corporation | George, Fritz W. #128731020 | 10,270 |
| 129223 | Aug 10, 1981 | Aug 10, 1981 | Houston Oil & Minerals Corp. | Spacek, Riney #128730605 | 8,400 |
| 130514 | Aug 7, 1981 | Aug 7, 1981 | Austin Chalk SWD Inc | Weider A-1 #A128730610 | 9,500 |
| 129874 | Aug 7, 1981 | Aug 7, 1981 | Williams, Clayton W., Jr. | Kipp, Roy #128731026 | 12,000 |
| 129163 | Aug 6, 1981 | Aug 6, 1981 | Houston Oil & Minerals Corp. | Gersch, Delbert Unit #128730770 | 8,375 |
| 128900 | Aug 6, 1981 | Aug 6, 1981 | Windsor Producing Co. | Symm #128731019 | 9,500 |
| 129369 | Aug 5, 1981 | Aug 5, 1981 | Brent Explorations, Inc. | Austin Chalk #6 #628731021 | 9,000 |
| 128454 | Aug 4, 1981 | Aug 4, 1981 | Herd Producing Company, Inc. | Bredthauer #228731017 | 10,085 |
| 131749 | Aug 3, 1981 | Aug 3, 1981 | Everest Exploration Co. | Tex-Linn Unit #128730939 | 9,000 |
| 128332 | Aug 3, 1981 | Aug 3, 1981 | Humble Exploration Co., Inc. | Never Lee #128731016 | 10,500 |
| 128280 | Aug 3, 1981 | Aug 3, 1981 | CPC Exploration Inc. | Johnson, D.B. #128730706 | 8,233 |
| 127034 | Jul 24, 1981 | Jul 24, 1981 | U. S. Operating, Inc. | Diane Unit #128731013 | 9,100 |
| 126759 | Jul 24, 1981 | Jul 24, 1981 | Columbia Gas Development Corp. | Lehmann, Ira J. Unit #328731012 | 9,600 |
| 126752 | Jul 24, 1981 | Jul 24, 1981 | Columbia Gas Development Corp. | Lehmann, Ira J. Unit #428731011 | 9,900 |
| 126717 | Jul 24, 1981 | Jul 24, 1981 | Humble Exploration Co., Inc. | Aphrodite Unit #128730464 | 8,350 |
| 126712 | Jul 24, 1981 | Jul 24, 1981 | Home Petroleum Corporation | Hannes, Emmett #328731010 | 7,545 |
| 126678 | Jul 24, 1981 | Jul 24, 1981 | Leonard, J. A. | Leachmann #128731009 | 4,233 |
| 126623 | Jul 24, 1981 | Jul 24, 1981 | Windsor Producing Co. | Baltimore Unit #128731008 | 9,400 |
| 126619 | Jul 24, 1981 | Jul 24, 1981 | Windsor Producing Co. | Arnold Unit #128731007 | 9,800 |
| 126613 | Jul 24, 1981 | Jul 24, 1981 | Windsor Producing Co. | Jensen #328731006 | 9,000 |
| 126488 | Jul 23, 1981 | Jul 23, 1981 | Intercontinental Drilling Co. | Guelker #128731004 | 10,000 |
| 126485 | Jul 23, 1981 | Jul 23, 1981 | Hopehill Petroleum Co., Inc. | Owens #928731003 | 3,600 |
| 126481 | Jul 23, 1981 | Jul 23, 1981 | Hopehill Petroleum Co., Inc. | Owens #728731002 | 3,600 |
| 126383 | Jul 23, 1981 | Jul 23, 1981 | Tipco | Guelker, F.M. #128731001 | 11,000 |
| 154014 | Jul 20, 1981 | Jul 20, 1981 | U. S. Operating, Inc. | Eugenia Unit #128730963 | 9,200 |
| 126496 | Jul 16, 1981 | Jul 16, 1981 | Windsor Producing Co. | Davis Unit #128731005 | 9,350 |
| 125626 | Jul 16, 1981 | Jul 16, 1981 | Hopehill Petroleum Co., Inc. | Owens #628731000 | 3,600 |
| 124871 | Jul 10, 1981 | Jul 10, 1981 | Windsor Producing Co. | Jensen #428730998 | 9,000 |
| 124867 | Jul 10, 1981 | Jul 10, 1981 | Windsor Producing Co. | Kurio Unit #228730997 | 9,200 |
| 124857 | Jul 10, 1981 | Jul 10, 1981 | Humble Exploration Co., Inc. | Mary Elizabeth #128730996 | 8,800 |
| 124768 | Jul 10, 1981 | Jul 10, 1981 | Natura Energy Corp | Semple #128730995 | 8,000 |
| 124318 | Jul 8, 1981 | Jul 8, 1981 | Energetics, Inc. | Silva-Coffield #128730992 | 5,000 |
| 124317 | Jul 8, 1981 | Jul 8, 1981 | Energetics, Inc. | Antonini-Coffield #128730991 | 3,815 |
| 124237 | Jul 8, 1981 | Jul 8, 1981 | Champlin Exploration, Inc. | Wolz, Emmitt P. Trustee #328730990 | 8,300 |
| 124236 | Jul 8, 1981 | Jul 8, 1981 | General Prod. Corp. | Koslan, Ben O. #128730989 | 10,500 |
| 124012 | Jul 6, 1981 | Jul 6, 1981 | Haas, Richard E. | Fields, C. W. et Al #128730986 | 10,000 |
| 124822 | Jul 3, 1981 | Jul 3, 1981 | Windsor Producing Co. | Mack, Lem Unit #128730984 | 9,400 |
| 124222 | Jul 2, 1981 | Jul 2, 1981 | U. S. Operating, Inc. | Melissa #128730988 | 9,300 |
| 122072 | Jun 23, 1981 | Jun 23, 1981 | Williams, Clayton W., Jr. | Bigon, Ellford #128730983 | 12,000 |
| 122009 | Jun 23, 1981 | Jun 23, 1981 | Nucorp Energy, Inc. | Maluschka, Maurice #128730980 | 7,975 |
| 121971 | Jun 22, 1981 | Jun 22, 1981 | General Prod. Corp. | Stuermer, Lillian #128730978 | 10,500 |
| 121966 | Jun 22, 1981 | Jun 22, 1981 | Windsor Producing Co. | Simmang Unit #128730977 | 9,600 |
| 124124 | Jun 19, 1981 | Jun 19, 1981 | Windsor Producing Co. | Stork, Selma #228730987 | 9,500 |
| 122883 | Jun 19, 1981 | Jun 19, 1981 | Windsor Producing Co. | Crowther Unit #128730985 | 9,200 |
| 122885 | Jun 18, 1981 | Jun 18, 1981 | Britton Drilling Company | Gersch Unit B #128730648 | 8,100 |
| 121862 | Jun 18, 1981 | Jun 18, 1981 | General Prod. Corp. | Stuermer, Lillian #228730976 | 10,500 |
| 121594 | Jun 18, 1981 | Jun 18, 1981 | Windsor Producing Co. | Delta "P" #128730974 | 9,900 |
| 121593 | Jun 18, 1981 | Jun 18, 1981 | Houston Oil & Minerals Corp. | Gersch, Delbert et UX #228730973 | 9,250 |
| 121557 | Jun 18, 1981 | Jun 18, 1981 | Houston Oil & Minerals Corp. | Saenger, Otto #228730972 | 9,200 |
| 121553 | Jun 18, 1981 | Jun 18, 1981 | Humble Exploration Co., Inc. | Taylor, Dorothy #128730971 | 8,400 |
| 121550 | Jun 18, 1981 | Jun 18, 1981 | Fenn, Bill Inc. | Smith, A.W. #128730970 | 8,000 |
| 121540 | Jun 18, 1981 | Jun 18, 1981 | Bar M Petroleum Co., Inc. | Oltmann-Noack Unit #128730969 | 8,550 |
| 121538 | Jun 18, 1981 | Jun 18, 1981 | Bar M Petroleum Co., Inc. | Fite #128730968 | 8,050 |
| 121217 | Jun 16, 1981 | Jun 16, 1981 | Humble Exploration Co., Inc. | Donna W. Unit #128730967 | 10,300 |
| 121979 | Jun 15, 1981 | Jun 15, 1981 | Champlin Petroleum Co. | Zgabay, Edwin #328730979 | 8,850 |
| 121830 | Jun 12, 1981 | Jun 12, 1981 | Columbia Gas Development Corp. | Lehmann, Ira J. Unit #228730975 | 9,900 |
| 124716 | Jun 9, 1981 | Jun 9, 1981 | Windsor Producing Co. | Mittasch Unit #228730962 | 9,400 |
| 121157 | Jun 9, 1981 | Jun 9, 1981 | Williams, Clayton W., Jr. | Humphrey - Benson Unit A #128730965 | 12,000 |
| 122018 | Jun 8, 1981 | Jun 8, 1981 | Humble Exploration Co., Inc. | Taylor, Dorothy #128730981 | 8,400 |
| 121158 | Jun 8, 1981 | Jun 8, 1981 | Tamarack Petroleum Company, Inc. | Albrecht #128730966 | 7,656 |
| 120892 | Jun 5, 1981 | Jun 5, 1981 | Windsor Producing Co. | Lay Unit #128730964 | 9,500 |
| 119972 | Jun 4, 1981 | Jun 4, 1981 | Brittany Drilling Co. | Gersch Unit C #128730961 | 8,400 |
| 122024 | Jun 3, 1981 | Jun 3, 1981 | Windsor Producing Co. | Lay Unit #128730982 | 9,500 |
| 119950 | Jun 3, 1981 | Jun 3, 1981 | Ada Oil Exploration Corp. | Alford #128730960 | 11,100 |
| 119932 | Jun 3, 1981 | Jun 3, 1981 | Houston Oil & Minerals Corp. | Symm, Victor A. #328730959 | 9,500 |
| 119856 | Jun 2, 1981 | Jun 2, 1981 | Houston Oil & Minerals Corp. | Symmank, Marvin #128730958 | 9,320 |
| 124663 | May 26, 1981 | May 26, 1981 | Williams, Clayton W., Jr. | Lenert, Ruby #228730942 | 6,500 |