| 124344 | May 21, 1981 | May 21, 1981 | Windsor Producing Co. | Teinert Unit #128730926 | 9,400 |
| 119698 | May 21, 1981 | May 21, 1981 | Windsor Producing Co. | Jensen #528730957 | 9,100 |
| 119159 | May 18, 1981 | May 18, 1981 | Lyon Oil Co., Inc. | Guthie, James Q. #4A28730624 | 3,500 |
| 118344 | May 18, 1981 | May 18, 1981 | General Prod. Corp. | Beeson, Jackie Unit 1 #128730954 | 10,500 |
| 118336 | May 18, 1981 | May 18, 1981 | Windsor Producing Co. | Cummins Creek Unit #128730953 | 9,900 |
| 118320 | May 18, 1981 | May 18, 1981 | Williams, Clayton W., Jr. | Parrish, Elmer J. -A- #228730952 | 12,000 |
| 124826 | May 16, 1981 | May 16, 1981 | Brent Explorations, Inc. | Goodson Unit #128730906 | 8,550 |
| 118236 | May 15, 1981 | May 15, 1981 | Humble Exploration Co., Inc. | Gaeke, Loretta Unit #128730951 | 8,600 |
| 118478 | May 11, 1981 | May 11, 1981 | Champlin Exploration, Inc. | Gerdes Development Company Unit #128730905 | 10,000 |
| 118353 | May 8, 1981 | May 8, 1981 | Atlas Energy Corp. | King #828730212 | 8,700 |
| 117342 | May 7, 1981 | May 7, 1981 | Westchase Petroleum Corp. | Peters, B. Unit #128730948 | 9,000 |
| 117329 | May 7, 1981 | May 7, 1981 | Shannon Resources, Inc. | Mikulin, Tom Unit #128730947 | 9,000 |
| 117308 | May 7, 1981 | May 7, 1981 | Spencer & Hutson | Joan #128730946 | 9,800 |
| 123307 | May 6, 1981 | May 6, 1981 | Windsor Producing Co. | Edwards Unit #328730945 | 9,300 |
| 118226 | May 1, 1981 | May 1, 1981 | Catlett, E. G. | Peebles #128730950 | 7,000 |
| 117004 | Apr 30, 1981 | Apr 30, 1981 | Champlin Exploration, Inc. | Harrell, Mary Blackburn Unit #228730944 | 9,400 |
| 116966 | Apr 30, 1981 | Apr 30, 1981 | Williams, Clayton W., Jr. | Zoch - Miertschin Unit #128730941 | 12,000 |
| 116440 | Apr 29, 1981 | Apr 29, 1981 | Humble Exploration Co., Inc. | Hera Unit #128730940 | 9,500 |
| 116999 | Apr 28, 1981 | Apr 28, 1981 | Williams, Clayton W., Jr. | Miertschin, Emil #228730943 | 12,000 |
| 116164 | Apr 27, 1981 | Apr 27, 1981 | Windsor Producing Co. | Lowery #228730938 | 9,300 |
| 116070 | Apr 27, 1981 | Apr 27, 1981 | Windsor Producing Co. | Kurio Unit #1 #128730937 | 8,600 |
| 116005 | Apr 24, 1981 | Apr 24, 1981 | Brittany Drilling Co. | Schautschick Unit #128730936 | 8,400 |
| 115847 | Apr 23, 1981 | Apr 23, 1981 | Windsor Producing Co. | Dean Equipment Company #228730933 | 9,100 |
| 115992 | Apr 22, 1981 | Apr 22, 1981 | Columbia Gas Development Corp. | Lehmann, Ira J. Unit #128730935 | 9,900 |
| 143243 | Apr 20, 1981 | Apr 20, 1981 | U. S. Operating, Inc. | Mary Helen #128730854 | 9,500 |
| 115845 | Apr 20, 1981 | Apr 20, 1981 | Brittany Drilling Co. | Stuermer, E. P. #328730932 | 9,000 |
| 115536 | Apr 17, 1981 | Apr 17, 1981 | Bar M Petroleum Co., Inc. | Harrell #128730930 | 8,893 |
| 118691 | Apr 15, 1981 | Apr 15, 1981 | Windsor Producing Co. | Nell, Deirdre Unit #128730922 | 9,300 |
| 115853 | Apr 10, 1981 | Apr 10, 1981 | Natura Energy Corp | Becker, Fred #128730934 | 8,000 |
| 115533 | Apr 9, 1981 | Apr 9, 1981 | Williams, Clayton W., Jr. | Winkler, Clara #128730929 | 12,000 |
| 114702 | Apr 9, 1981 | Apr 9, 1981 | Windsor Producing Co. | Teinert #128730926 | 9,400 |
| 114761 | Apr 8, 1981 | Apr 8, 1981 | Brent Explorations, Inc. | Damiani #1 #128730928 | 10,000 |
| 114704 | Apr 7, 1981 | Apr 7, 1981 | Humble Exploration Co., Inc. | Maria, Angela Unit #128730927 | 8,800 |
| 114704Amendment | Apr 7, 1981 | Apr 7, 1981 | Humble Exploration Co., Inc. | Angela Maria Unit #128730927 | 8,339 |
| 114056 | Apr 7, 1981 | Apr 7, 1981 | Champlin Exploration, Inc. | Harrell, Mary Blackburn Unit #428730923 | 9,400 |
| 114127 | Apr 2, 1981 | Apr 2, 1981 | Cities Service Company | Galipp "A" #128730924 | 7,755 |
| 113766 | Apr 1, 1981 | Apr 1, 1981 | Windsor Producing Co. | Schroeder Unit #128730919 | 9,300 |
| 113760 | Apr 1, 1981 | Apr 1, 1981 | H-M Oil Company | Proske Gas Unit # 1 #128730918 | 7,600 |
| 113758 | Apr 1, 1981 | Apr 1, 1981 | H-M Oil Company | Birnbaum, Wilbert Unit #128730917 | 7,600 |
| 113752 | Apr 1, 1981 | Apr 1, 1981 | Windsor Producing Co. | Knittel #128730916 | 9,300 |
| 113859 | Mar 31, 1981 | Mar 31, 1981 | Humble Exploration Co., Inc. | Storm Unit #128730920 | 9,000 |
| 113370 | Mar 26, 1981 | Mar 26, 1981 | Spencer & Hutson | Mary Jane #128730931 | 9,000 |
| 113194 | Mar 25, 1981 | Mar 25, 1981 | Houston Oil & Minerals Corp. | Grimm, Edwin, et UX #328730915 | 9,700 |
| 113193 | Mar 25, 1981 | Mar 25, 1981 | Brittany Drilling Co. | Wenke Unit #128730914 | 8,400 |
| 113868 | Mar 23, 1981 | Mar 23, 1981 | Leonard, J. A. | Kissman #128730921 | 4,965 |
| 117972 | Mar 20, 1981 | Mar 20, 1981 | Windsor Producing Co. | Schmidt #228730913 | 8,500 |
| 112461 | Mar 18, 1981 | Mar 18, 1981 | Dynamic Production, Inc. | Schulze #128730912 | 8,480 |
| 112460 | Mar 18, 1981 | Mar 18, 1981 | Houston Oil & Minerals Corp. | Eaton, Johnnie Unit #128730911 | 9,600 |
| 112459 | Mar 18, 1981 | Mar 18, 1981 | Home Petroleum Corporation | Hannes, Monroe Unit #128730910 | 9,100 |
| 112448 | Mar 18, 1981 | Mar 18, 1981 | Superior Oil Company, The | Berndt, B. "A" #128730909 | 8,500 |
| 112436 | Mar 18, 1981 | Mar 18, 1981 | Nucorp Energy, Inc. | Spacek, G. #128730908 | 9,110 |
| 112434 | Mar 18, 1981 | Mar 18, 1981 | Nucorp Energy, Inc. | Sehlke Unit #128730907 | 8,980 |
| 112223 | Mar 13, 1981 | Mar 13, 1981 | Superior Oil Company, The | Knox, Albert #128730904 | 8,500 |
| 111775 | Mar 11, 1981 | Mar 11, 1981 | Windsor Producing Co. | Wolf-Simpson Unit #128730902 | 9,750 |
| 111476 | Mar 10, 1981 | Mar 10, 1981 | County Management, Inc. | Osage Unit #228730901 | 9,300 |
| 111451 | Mar 9, 1981 | Mar 9, 1981 | Windsor Producing Co. | Sweet Pea Unit #128730900 | 9,000 |
| 111448 | Mar 9, 1981 | Mar 9, 1981 | County Management, Inc. | Mc #128730899 | 9,800 |
| 111447 | Mar 9, 1981 | Mar 9, 1981 | County Management, Inc. | M.J. Unit #128730898 | 9,000 |
| 111445 | Mar 9, 1981 | Mar 9, 1981 | County Management, Inc. | Osage Unit #128730897 | 9,300 |
| 111433 | Mar 9, 1981 | Mar 9, 1981 | Windsor Producing Co. | Korb Unit #128730896 | 9,200 |
| 111407 | Mar 9, 1981 | Mar 9, 1981 | Williams, Clayton W., Jr. | Schmidt-Sacks Unit #128730895 | 12,000 |
| 114644 | Mar 5, 1981 | Mar 5, 1981 | U. S. Operating, Inc. | Sheila #128730855 | 10,000 |
| 110727 | Mar 4, 1981 | Mar 4, 1981 | Columbia Gas Development Corp. | Sommer, L.C. Unit #128730894 | 9,915 |
| 110706 | Mar 4, 1981 | Mar 4, 1981 | Williams, Clayton W., Jr. | Sump, Ernest #128730893 | 12,000 |
| 110704 | Mar 4, 1981 | Mar 4, 1981 | Windsor Producing Co. | Fischer, M. #128730892 | 9,600 |
| 110688 | Mar 4, 1981 | Mar 4, 1981 | Home Petroleum Corporation | Hannes, Emmett #228730891 | 9,100 |
| 110652 | Mar 4, 1981 | Mar 4, 1981 | Bar M Petroleum Co., Inc. | Wenke-Wheeler Unit #128730890 | 9,000 |
| 110648 | Mar 4, 1981 | Mar 4, 1981 | Midway Oil Corp. | Williams, Romeo Estate #128730889 | 10,000 |
| 110639 | Mar 4, 1981 | Mar 4, 1981 | Houston Oil & Minerals Corp. | Gersch, Delbert Unit #128730770 | 8,375 |
| 110624 | Mar 4, 1981 | Mar 4, 1981 | Catlett, E. G. | Tuck, Grady #128730888 | 6,500 |
| 110341 | Mar 3, 1981 | Mar 3, 1981 | Home Petroleum Corporation | Hannes, Emmett Unit #128730887 | 9,000 |
| 110340 | Mar 3, 1981 | Mar 3, 1981 | Drillco Energy Corporation | Ivy, Sanford Unit #128730886 | 8,000 |
| 110338 | Mar 3, 1981 | Mar 3, 1981 | Drillco Energy Corporation | Wheelus, Albert Unit #128730885 | 8,000 |
| 110336 | Mar 3, 1981 | Mar 3, 1981 | Drillco Energy Corporation | Dismukes, J. B. Unit #128730884 | 8,000 |
| 110335 | Mar 3, 1981 | Mar 3, 1981 | Drillco Energy Corporation | Hejl Unit #128730883 | 8,000 |
| 110328 | Mar 3, 1981 | Mar 3, 1981 | General Prod. Corp. | Lallinger, E. Michael #128730882 | 10,500 |
| 110319 | Mar 3, 1981 | Mar 3, 1981 | General Prod. Corp. | Siegmund, Lloyd Unit #128730881 | 10,500 |
| 110310 | Mar 3, 1981 | Mar 3, 1981 | Humble Exploration Co., Inc. | Snell, Marcella #128730880 | 10,500 |
| 110308 | Mar 3, 1981 | Mar 3, 1981 | W C S Petroleum, Inc. | Barker Unit #128730879 | 9,500 |
| 110275 | Mar 2, 1981 | Mar 2, 1981 | Columbia Gas Development Corp. | Bowers, L. & F. #428730878 | 8,500 |
| 110271 | Mar 2, 1981 | Mar 2, 1981 | Columbia Gas Development Corp. | Bowers, Linden & Frank #528730877 | 8,850 |
| 110259 | Mar 2, 1981 | Mar 2, 1981 | U. S. Operating, Inc. | Stormy #128730876 | 9,600 |
| 134212 | Feb 26, 1981 | Feb 26, 1981 | Williams, Clayton W., Jr. | Fischer, Clara #128730872 | 12,000 |
| 109097 | Feb 20, 1981 | Feb 20, 1981 | Humble Exploration Co., Inc. | Sypert Love Joy #128730874 | 10,200 |
| 109079 | Feb 20, 1981 | Feb 20, 1981 | Penn West Petroleum Inc. 1810, | Dube, Mervin #128730873 | 8,500 |
| 108976 | Feb 19, 1981 | Feb 19, 1981 | Williams, Clayton W., Jr. | Boriack, Charles #128730871 | 12,000 |
| 108949 | Feb 19, 1981 | Feb 19, 1981 | Drillco Energy Corporation | Carter-Plagens Unit #128730870 | 8,000 |
| 108948 | Feb 19, 1981 | Feb 19, 1981 | Drillco Energy Corporation | Carter-Brown Unit #128730869 | 8,000 |
| 108944 | Feb 19, 1981 | Feb 19, 1981 | Drillco Energy Corporation | Bennett Unit #128730868 | 8,000 |
| 108936 | Feb 19, 1981 | Feb 19, 1981 | Windsor Producing Co. | Jensen #228730867 | 9,000 |
| 108661 | Feb 18, 1981 | Feb 18, 1981 | Humble Exploration Co., Inc. | Kay H. #128730866 | 8,400 |
| 108660 | Feb 18, 1981 | Feb 18, 1981 | Humble Exploration Co., Inc. | Lauren B. Unit #128730865 | 8,600 |
| 108634 | Feb 17, 1981 | Feb 17, 1981 | Drillco Energy Corporation | Rhodes Unit #128730864 | 8,000 |
| 108604 | Feb 17, 1981 | Feb 17, 1981 | Williams, Clayton W., Jr. | Bisett, Don Unit #128730863 | 12,000 |
| 108260 | Feb 12, 1981 | Feb 12, 1981 | Humble Exploration Co., Inc. | Lauren B. Unit #128730862 | 8,600 |
| 108206 | Feb 11, 1981 | Feb 11, 1981 | U. S. Operating, Inc. | Cora #128730861 | 10,000 |
| 107816 | Feb 6, 1981 | Feb 6, 1981 | Windsor Producing Co. | Synatscht Unit #128730723 | 9,100 |
| 107769 | Feb 6, 1981 | Feb 6, 1981 | Mosbacher Production Co. | Carmean, Mr. John N. et Al #428730535 | 8,500 |
| 107275 | Feb 2, 1981 | Feb 2, 1981 | Hefe, L. | Berger, George #128730857 | 7,650 |
| 107318 | Feb 2, 1981 | Feb 2, 1981 | Zonergy, Inc. | Bethany #128730860 | 8,600 |