| Wood O-13-29081 | Grayson Petroleum Company | Gee (Oil Creek, Upper) | Grayson | 3 | 271K | 0 | Jan 1996 – Apr 2011 |
| Sadler (Dornick Hills) Sand Unit O-13-27921 | Grayson Petroleum Company | Andrade (Dornick Hills) | Grayson | 13 | 222K | 21 | Jan 1993 – Apr 2026 |
| Steed, Netum H. -A- O-13-17874 | Grayson Petroleum Company | Callisburg, SW. (Strawn 3300) | Cooke | 2 | 129K | 21 | Jan 1993 – Apr 2026 |
| Riddle, G. M. O-13-13680 | Grayson Petroleum Company | Railsback (Oil Creek) | Grayson | 1 | 118K | 21 | Jan 1993 – Apr 2026 |
| Pike-Davis #1 O-13-28803 | Grayson Petroleum Company | Sandusky, West (Strawn North) | Grayson | 1 | 87.8K | 4 | Jun 1994 – Apr 2026 |
| Freeman "B" O-13-27854 | Grayson Petroleum Company | Southmayd (Oil Creek) | Grayson | 1 | 66.9K | 21 | Jan 1993 – Apr 2026 |
| Freeman, C. T. "A" O-13-27281 | Grayson Petroleum Company | Southmayd (Strawn 4700) | Grayson | 3 | 61.2K | 21 | Jan 1993 – Apr 2026 |
| Eckert, W. E. O-13-10862 | Grayson Petroleum Company | Collinsville, East (Strawn 3600) | Grayson | 1 | 53.6K | 21 | Jan 1993 – Apr 2026 |
| Guilloud, F. O-13-10922 | Grayson Petroleum Company | Big Mineral, SE. (E Sand FB V) | Grayson | 4 | 48K | 247K | Jan 1993 – Apr 2026 |
| Gibbons, J.E. O-13-29381 | Grayson Petroleum Company | Southmayd, North (Baker-Viola) | Grayson | 1 | 45.1K | 144K | Sep 1997 – Apr 2026 |
| Chumbley, Gladys Etal O-13-9800 | Grayson Petroleum Company | Mackoy (Ellenburger) | Grayson | 1 | 42.2K | 23 | Jan 1993 – Apr 2026 |
| Walker, A. R. "A" O-13-22104 | Grayson Petroleum Company | Sandusky, West (Dornick Hills) | Grayson | 1 | 41.5K | 21 | Jan 1993 – Apr 2026 |
| Johnson, S. A. O-13-12765 | Grayson Petroleum Company | Big Mineral, SE. (E Sand FB V) | Grayson | 3 | 31.9K | 125K | Jan 1993 – Apr 2026 |
| Burgin, Morris et Al O-13-27702 | Grayson Petroleum Company | Railsback (Oil Creek) | Grayson | 1 | 28.9K | 20 | Jan 1993 – Jan 2008 |
| Plumlee O-13-26930 | Grayson Petroleum Company | Sandusky, West (Strawn North) | Grayson | 1 | 25.8K | 21 | Jan 1993 – Apr 2026 |
| Britt-Crockett Unit O-13-28521 | Grayson Petroleum Company | Corpening (Strawn) | Grayson | 4 | 25.5K | 17 | Jan 1993 – Apr 2026 |
| Bullard, C. O-13-20803 | Grayson Petroleum Company | Kimbell (Thurman Sand) | Cooke | 3 | 22.7K | 21 | Jan 1993 – Jan 2016 |
| Lister, J. W. O-13-2357 | Grayson Petroleum Company | Kimbell-Sims (Sharelene Sand) | Cooke | 6 | 19.5K | 21 | Jan 1993 – Apr 2005 |
| Viars, Fay et Al O-13-17433 | Grayson Petroleum Company | Mackoy (Strawn Lower) | Grayson | 1 | 13.7K | 20 | Jan 1993 – Apr 2026 |
| Freeman, C. T. -B- O-13-3221 | Grayson Petroleum Company | Southmayd (Ellenburger) | Grayson | 1 | 13.1K | 16 | Jan 1993 – Apr 2026 |
| Wiser Unit O-13-23455 | Grayson Petroleum Company | Two Eds (Hester Sand) | Grayson | 1 | 12.1K | 21 | Jan 1993 – Mar 2000 |
| Haynes, Ethel B. O-13-2041 | Grayson Petroleum Company | Cooke County Regular | Cooke | 2 | 12.1K | 21 | Jan 1993 – Dec 2021 |
| Sweeney, R. L. O-13-10783 | Grayson Petroleum Company | Big Mineral, SE. (E Sand FB V) | Grayson | 1 | 9.39K | 162K | Jan 1993 – Apr 2018 |
| Floyd, Lillie O-13-10770 | Grayson Petroleum Company | Collinsville, East (Strawn 3400) | Grayson | 1 | 8.45K | 21 | Jan 1993 – Apr 2026 |
| Sissney O-13-28051 | Grayson Petroleum Company | Cooke County Regular | Cooke | 1 | 8.23K | 100 | Jan 1993 – Sep 2010 |
| Hollingshead O-13-13239 | Grayson Petroleum Company | Velasco (Strawn 3700) | Grayson | 2 | 5.91K | 21 | Jan 1993 – Feb 2001 |
| Allen, E. T. O-13-24586 | Grayson Petroleum Company | Cannon (3140) | Cooke | 1 | 5.88K | 22 | Jan 1993 – Jun 1999 |
| Siddall O-13-2084 | Grayson Petroleum Company | Cooke County Regular | Cooke | 2 | 5.63K | 20 | Jan 1993 – Mar 2014 |
| Godsey, O. O-13-14774 | Grayson Petroleum Company | Hudgins, Sw.(flt BLK Oil Creek) | Grayson | 1 | 3.83K | 2.23K | Jan 1993 – Sep 1999 |
| Hudgins, T. M., Unit O-13-14814 | Grayson Petroleum Company | Hudgins, SW. (Oil Creek) | Grayson | 1 | 3.24K | 5.19K | Jan 1993 – Jan 1998 |
| Floyd, Lillie O-13-24412 | Grayson Petroleum Company | Collinsville, East (Strawn 3600) | Grayson | 1 | 3.21K | 17 | Jan 1993 – Oct 1997 |
| Fox, J. H. B O-13-2577 | Grayson Petroleum Company | Woodbine | Cooke | 1 | 2.69K | 18 | Apr 1993 – Mar 2003 |
| Spalding, Jessie O-13-10491 | Grayson Petroleum Company | Gee (Oil Creek, Upper) | Grayson | 1 | 2.32K | 20 | Jan 1993 – Mar 1997 |
| Ferrill, N. L. O-13-10376 | Grayson Petroleum Company | Big Mineral, SE. (V Sand) | Grayson | 3 | 2.13K | 12.5K | Jan 1993 – Feb 2002 |
| Freeman, C. T. Unit O-13-14284 | Grayson Petroleum Company | Southmayd (Strawn 4700) | Grayson | 1 | 862 | 18 | Jan 1993 – Jun 1994 |
| Allen O-13-31088 | Grayson Petroleum Company | Cannon (3140) | Cooke | 1 | 724 | 0 | Jul 2008 – Aug 2010 |
| McDonnell, E. O-13-23452 | Grayson Petroleum Company | Sadler (Penn.) | Grayson | 1 | 283 | 16 | Jan 1993 – May 1995 |
| Klas O-13-30762 | Grayson Petroleum Company | Southmayd (Oil Creek) | Grayson | 1 | 240 | 0 | Feb 2007 – May 2007 |
| Fox, J. H. B O-13-22707 | Grayson Petroleum Company | Kimbell (Thurman Sand) | Cooke | 1 | 163 | 5 | Jan 1993 – May 1994 |
| Huff O-13-32603 | Grayson Petroleum Company | Railsback (Oil Creek) | Grayson | 1 | 153 | 0 | Jun 2013 – Jul 2013 |
| Perkins, O. D. O-13-28028 | Grayson Petroleum Company | Gee (Oil Creek, Upper) | Grayson | 1 | 31 | 3 | Jan 1993 – May 1994 |
| Viars, Fay O-13-9699 | Grayson Petroleum Company | Mackoy (Ellenburger) | Grayson | 1 | 0 | 0 | — |
| Huff, N. H. O-13-27942 | Grayson Petroleum Company | Railsback (Oil Creek) | Grayson | 1 | 0 | 0 | — |
| Ferrill, N. L. G-13-21212 | Grayson Petroleum Company | Big Mineral, SE. (V Lower Gas) | Grayson | 1 | 0 | 0 | — |
| Self O-13-29277 | Grayson Petroleum Company | Southmayd, North (Baker-Viola) | Grayson | 1 | 0 | 0 | — |
| Sweeney, R. L. G-13-21213 | Grayson Petroleum Company | Big Mineral, SE. (V LO) | Grayson | 1 | 0 | 0 | — |
| Fox-Crump Unit O-13-29806 | Grayson Petroleum Company | Cooke County Regular | Cooke | 1 | 0 | 0 | — |
| Viars, Fay O-13-11109 | Grayson Petroleum Company | Mackoy (Hickey Sand) | Grayson | 1 | 0 | 0 | — |
| Bullard, C. -B- O-13-21151 | Grayson Petroleum Company | Cooke County Regular | Cooke | 1 | 0 | 3 | Apr 1993 – Apr 1994 |
| Kusch, O. F., Jr. O-13-16324 | Grayson Petroleum Company | Sherman (Pennsylvanian 9200) | Grayson | 1 | 0 | 2 | Jan 1994 – May 1994 |