| Sadler (Dornick Hills) Sand Unit #942-181-02012 | Grayson Petroleum Company | GraysonAndrade (Dornick Hills) | ActiveOil | 6,203 | Mar 27, 2025 | 2 | Aug 2026 |
| Sadler (Dornick Hills) Sand Unit #1142-181-31295 | Grayson Petroleum Company | GraysonAndrade (Dornick Hills) | ActiveOil | 6,704 | Nov 29, 2022 | 3 | Aug 2026 |
| Sadler (Dornick Hills) Sand Unit #1342-181-31321 | Grayson Petroleum Company | GraysonAndrade (Dornick Hills) | ActiveOil | 6,710 | Jun 10, 2014 | 2 | Aug 2026 |
| Huff #142-181-00100 | Grayson Petroleum Company | GraysonRailsback (Oil Creek) | PluggedOil | 5,868 | Mar 22, 2013 | 1 | Jul 2013 |
| Freeman C. T. a #442-181-31406 | Grayson Petroleum Company | GraysonSouthmayd (Strawn 4700) | ActiveOil | 6,995 | Oct 3, 2008 | 2 | Aug 2026 |
| Klas #142-181-31418 | Grayson Petroleum Company | GraysonSouthmayd (Oil Creek) | PluggedOil | 8,000 | Oct 5, 2006 | 2 | May 2007 |
| Gibbons J.E. #142-181-31317 | Grayson Petroleum Company | GraysonSouthmayd North (Baker-Viola) | ActiveOil | 8,550 | May 1, 1997 | 2 | Aug 2026 |
| Self #142-181-31246 | Grayson Petroleum Company | GraysonSouthmayd North (Baker-Viola) | PluggedOil | 9,000 | Sep 10, 1996 | 2 | Feb 1993 |
| Sadler (Dornick Hills) Sand Unit #1242-181-31299 | Grayson Petroleum Company | GraysonAndrade (Dornick Hills) | ActiveInjection | 6,285 | May 29, 1996 | 1 | Aug 2026 |
| Pike-Davis #1 #142-181-31207 | Grayson Petroleum Company | GraysonSandusky West (Strawn North) | ActiveOil | 6,285 | Jan 14, 1994 | 2 | Aug 2026 |
| Sadler (Dornick Hills) Sand Unit #842-181-01724 | Grayson Petroleum Company | GraysonAndrade (Dornick Hills) | ActiveOil | 6,214 | Jan 21, 1992 | 1 | Aug 2026 |
| Freeman C. T. a #342-181-00107 | Grayson Petroleum Company | GraysonSouthmayd (Strawn 4700) | ActiveInjection | 5,909 | Dec 18, 1990 | 1 | Aug 2026 |
| Freeman B #b 342-181-00108 | Grayson Petroleum Company | GraysonSouthmayd (Oil Creek) | ActiveOil | 6,815 | Aug 22, 1990 | 1 | Aug 2026 |
| Huff N. H. #242-181-00046 | Grayson Petroleum Company | GraysonRailsback (Oil Creek) | ActiveInjection | 5,839 | May 9, 1990 | 1 | — |
| Burgin Morris et al #142-181-00048 | Grayson Petroleum Company | GraysonRailsback (Oil Creek) | PluggedOil | 5,815 | Mar 26, 1990 | 1 | Jan 2008 |
| Sadler (Dornick Hills) Sand Unit #742-181-01725 | Grayson Petroleum Company | GraysonAndrade (Dornick Hills) | ActiveOil | 6,180 | Feb 23, 1990 | 1 | Aug 2026 |
| Perkins O. D. #142-181-01756 | Grayson Petroleum Company | GraysonGee (Oil Creek Upper) | PluggedOil | 6,163 | Aug 28, 1989 | 1 | May 1994 |
| Freeman C. T. a #142-181-80476 | Grayson Petroleum Company | GraysonSouthmayd (Strawn 4700) | ActiveOil | 7,200 | Feb 19, 1989 | 1 | Aug 2026 |
| Plumlee #142-181-31205 | Grayson Petroleum Company | GraysonSandusky West (Strawn North) | ActiveOil | 7,130 | Oct 23, 1987 | 2 | Aug 2026 |
| Britt-Crockett Unit #242-181-31109 | Grayson Petroleum Company | GraysonCorpening (Strawn) | PluggedOil | 4,500 | Nov 26, 1984 | 1 | Aug 2026 |
| Britt-Crockett Unit #342-181-31108 | Grayson Petroleum Company | GraysonCorpening (Strawn) | PluggedOil | 4,500 | Nov 20, 1984 | 1 | Aug 2026 |
| Britt-Crockett Unit #142-181-31065 | Grayson Petroleum Company | GraysonCorpening (Strawn) | ActiveOil | 3,900 | Jun 5, 1984 | 1 | Aug 2026 |
| Floyd Lillie #242-181-31051 | Grayson Petroleum Company | GraysonCollinsville East (Strawn 3600) | ActiveInjection | 4,110 | May 1, 1984 | 1 | Oct 1997 |
| Britt-Crockett Unit #442-181-31043 | Grayson Petroleum Company | GraysonCorpening (Strawn) | ActiveOil | 4,003 | Mar 22, 1984 | 1 | Aug 2026 |
| Hough #142-181-30989 | Grayson Petroleum Company | GraysonMcMillan East (Strawn) | Not on scheduleOil | 7,990 | Sep 13, 1983 | 1 | — |
| Wiser Unit #142-181-30956 | Grayson Petroleum Company | GraysonTwo Eds (Hester Sand) | PluggedOil | 5,900 | May 17, 1983 | 1 | Mar 2000 |
| McDonnell E. #142-181-01183 | Grayson Petroleum Company | GraysonSadler (Penn.) | PluggedOil | 6,780 | Dec 6, 1982 | 1 | May 1995 |
| Walker A. R. a #142-181-81196 | Grayson Petroleum Company | GraysonSandusky West (Dornick Hills) | ActiveOil | 7,433 | Dec 31, 1981 | 1 | Aug 2026 |
| Collins, Jewel M. #142-181-30718 | Grayson Petroleum Companypermit operator | GraysonHester (Strawn) | Drilled | 5,700 | Mar 13, 1980 | 1 | — |
| Hollingshead #142-181-00012 | Grayson Petroleum Company | GraysonVelasco (Strawn 3700) | PluggedOil | — | — | 0 | — |
| Hollingshead #242-181-00014 | Grayson Petroleum Company | GraysonVelasco (Strawn 3700) | PluggedOil | — | — | 0 | — |
| Riddle G. M. #142-181-00049 | Grayson Petroleum Company | GraysonRailsback (Oil Creek) | ActiveOil | 5,744 | — | 0 | — |
| Sadler (Dornick Hills) Sand Unit #442-181-00051 | Grayson Petroleum Company | GraysonAndrade (Dornick Hills) | ActiveOil | 6,302 | — | 0 | — |
| Sadler (Dornick Hills) Sand Unit #542-181-00052 | Grayson Petroleum Company | GraysonAndrade (Dornick Hills) | ActiveOil | 6,343 | — | 0 | — |
| Sadler (Dornick Hills) Sand Unit #642-181-00053 | Grayson Petroleum Company | GraysonAndrade (Dornick Hills) | ActiveOil | 6,030 | — | 0 | — |
| Freeman C. T. Unit #142-181-00106 | Grayson Petroleum Company | GraysonSouthmayd (Strawn 4700) | PluggedOil | — | — | 0 | — |
| Godsey O. #142-181-00172 | Grayson Petroleum Company | GraysonHudgins Sw.(flt BLK Oil Creek) | PluggedOil | — | — | 0 | — |
| Hudgins T. M. Unit #142-181-00176 | Grayson Petroleum Company | GraysonHudgins SW. (Oil Creek) | PluggedOil | — | — | 0 | — |
| Johnson S. A. #242-181-00177 | Grayson Petroleum Company | GraysonBig Mineral SE. (E Sand FB V) | ActiveOil | 8,670 | — | 0 | — |
| Johnson S. A. #342-181-00178 | Grayson Petroleum Company | GraysonBig Mineral SE. (E Sand FB V) | PluggedOil | — | — | 0 | — |
| Sweeney R. L. #1 L42-181-00890 | Grayson Petroleum Company | GraysonBig Mineral SE. (V LO) | PluggedGas | — | — | 0 | — |
| Floyd Lillie #142-181-00913 | Grayson Petroleum Company | GraysonCollinsville East (Strawn 3400) | ActiveOil | 3,465 | — | 0 | — |
| Eckert W. E. #242-181-00971 | Grayson Petroleum Company | GraysonCollinsville East (Strawn 3600) | ActiveOil | 3,662 | — | 0 | — |
| Johnson S. A. #142-181-01204 | Grayson Petroleum Company | GraysonBig Mineral SE. (E Sand FB V) | ActiveOil | 8,430 | — | 0 | — |
| Sadler (Dornick Hills) Sand Unit #142-181-01440 | Grayson Petroleum Company | GraysonAndrade (Dornick Hills) | ActiveOil | 6,198 | — | 0 | — |
| Ferrill N. L. #1 L42-181-01512 | Grayson Petroleum Company | GraysonBig Mineral SE. (V Lower Gas) | PluggedGas | — | — | 0 | — |
| Ferrill N. L. #2 U42-181-01513 | Grayson Petroleum Company | GraysonBig Mineral SE. (V Sand) | PluggedOil | — | — | 0 | — |
| Guilloud F. #342-181-01638 | Grayson Petroleum Company | GraysonBig Mineral SE. (E Sand FB V) | ActiveOil | 8,482 | — | 0 | — |
| Guilloud F. #442-181-01639 | Grayson Petroleum Company | GraysonBig Mineral SE. (E Sand FB V) | PluggedOil | — | — | 0 | — |
| Guilloud F. #1 U42-181-01665 | Grayson Petroleum Company | GraysonBig Mineral SE. (E Sand FB V) | PluggedOil | — | — | 0 | — |