| Robwright Unit #242-181-31662 | Felderhoff Production Company | GraysonHester (Strawn) | Permitted | 5,600 | Nov 6, 2026 | 1 | — |
| Elliott, Laura #342-181-31622 | Felderhoff Production Company | GraysonMcElreath (Strawn 3100) | Drilled | 3,900 | Sep 28, 2026 | 2 | — |
| Arnold #142-181-31658 | Kodiak Oil & Gas, Inc. | GraysonMcElreath, S. (Strawn 4200) | Drilled | 4,999 | Sep 25, 2026 | 1 | — |
| M.A. Scarbrough #842-181-31508 | Silver Creek Oil & Gas LLC | GraysonSandusky West (Strawn) | ActiveOil | 7,858 | Nov 6, 2025 | 3 | Mar 2025 |
| Boren #142-181-31641 | — | GraysonMackoy (Strawn) | Plugged | 5,500 | Apr 17, 2024 | 1 | — |
| McConnell #142-181-31640 | Felderhoff Production Company | GraysonMackoy (Strawn) | ActiveOil | 5,501 | Apr 3, 2024 | 1 | Jul 2026 |
| John Marshall #842-181-31634 | Silver Creek Oil & Gas LLC | GraysonSandusky West (Strawn) | ActiveOil | 6,674 | Jun 28, 2023 | 2 | Aug 2026 |
| Taswa #1342-181-31633 | — | GraysonHester (Strawn) | Plugged | 6,200 | Jun 20, 2023 | 1 | — |
| Lime Rock #242-181-31626 | — | GraysonMcElreath S. (Strawn 4000) | Plugged | 5,500 | Jul 15, 2022 | 1 | — |
| Lime Rock #242-181-31625 | Kodiak Oil & Gas Inc. | GraysonMcElreath S. (Strawn 4200) | ActiveOil | 5,000 | Jun 17, 2022 | 1 | Aug 2026 |
| John Marshall #742-181-31624 | Silver Creek Oil & Gas LLC | GraysonSandusky West (Strawn) | ActiveOil | 7,274 | May 19, 2022 | 1 | Aug 2026 |
| Varley #742-181-31623 | Felderhoff Production Company | GraysonMcElreath (Strawn 3600) | ActiveOil | 5,335 | Apr 27, 2022 | 1 | Jul 2026 |
| Erwin #442-181-31620 | Kodiak Oil & Gas Inc. | GraysonMcElreath S. (Strawn 4200) | ActiveOil | 5,100 | Apr 7, 2022 | 1 | Aug 2026 |
| Hutchinson C. C. -a- #1442-181-31616 | BLS Production Co. Inc. | GraysonHandy SE. (Strawn 2400) | ActiveInjection | 3,372 | Apr 4, 2022 | 2 | Aug 2026 |
| Butler Tip #342-181-31617 | Felderhoff Production Company | GraysonMackoy E. (Strawn 4200 #2) | ActiveOil | 5,451 | Mar 9, 2022 | 1 | Jul 2026 |
| Lime Rock #142-181-31614 | Kodiak Oil & Gas Inc. | GraysonMcElreath S. (Strawn 4200) | ActiveOil | 5,350 | Mar 1, 2022 | 1 | Aug 2026 |
| Erwin #342-181-31615 | Kodiak Oil & Gas Inc. | GraysonMcElreath S. (Strawn 4200) | ActiveInjection | 5,120 | Mar 1, 2022 | 1 | Aug 2026 |
| Robwright Unit #142-181-31613 | Felderhoff Production Company | GraysonHester (Strawn) | ActiveOil | 5,588 | Feb 4, 2022 | 1 | Jul 2026 |
| John Marshall #5RE42-181-31486 | Silver Creek Oil & Gas LLC | GraysonSandusky West (Strawn) | ActiveOil | 6,702 | Aug 5, 2021 | 2 | Aug 2026 |
| Erwin #242-181-31609 | Kodiak Oil & Gas Inc. | GraysonMcElreath S. (Strawn 4200) | ActiveOil | 5,000 | Feb 18, 2021 | 1 | Aug 2026 |
| Erwin #142-181-31605 | Kodiak Oil & Gas Inc. | GraysonMcElreath S. (Strawn 4200) | ActiveOil | 4,999 | May 13, 2019 | 2 | Aug 2026 |
| Hester Sand Unit #142-181-31590 | — | GraysonHester (Strawn) | Plugged | 6,000 | May 9, 2017 | 1 | — |
| Davis #242-181-31572 | — | GraysonHester (Strawn) | Plugged | 4,950 | Oct 9, 2014 | 1 | — |
| Super Unit #606R42-181-01812 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | Shut inOil | 7,099 | Oct 3, 2014 | 3 | Aug 2026 |
| Big Mineral Creek/Strawn I/Unit #449W42-181-01840 | Venoco Inc. | GraysonBig Mineral Creek (Strawn) | PluggedOil | 7,942 | Sep 30, 2014 | 4 | Nov 1998 |
| Roberts #142-181-31554 | Felderhoff Production Company | GraysonHester (Strawn) | ActiveOil | 5,585 | Jul 22, 2014 | 1 | Jul 2026 |
| Big Mineral Creek (UV Sand) Unit #53042-181-01225 | Flintlock Exploration LLC | GraysonBig Mineral Creek (UV Sand Unit) | Shut inOil | 7,995 | Aug 12, 2013 | 3 | Aug 2026 |
| Davis #142-181-31531 | Charis Oil & Gas LLC | GraysonHester (Strawn) | ActiveOil | 4,848 | Jul 24, 2013 | 1 | Aug 2026 |
| Young Lovejoy #142-181-31529 | BLS Production Co. Inc. | GraysonMackoy (Strawn Lower) | PluggedOil | 5,600 | Jul 2, 2013 | 1 | Oct 2014 |
| Bailey #142-181-31472 | — | GraysonHester (Strawn) | Plugged | 6,000 | Jun 2, 2011 | 1 | — |
| Super Unit #410W42-181-01240 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | Shut inOil | 10,337 | May 5, 2010 | 1 | Aug 2026 |
| Perry Walker #4R42-181-30691 | BLS Production Co. Inc. | GraysonCollinsville East (Strawn 3400) | ActiveOil | 3,924 | Jan 20, 2010 | 2 | Aug 2026 |
| Butler Mrs. Tip #142-181-01259 | Felderhoff Production Company | GraysonMackoy East (Strawn 4200) | ActiveInjection | 3,126 | Apr 6, 2009 | 1 | — |
| Freeman C. T. a #442-181-31406 | Grayson Petroleum Company | GraysonSouthmayd (Strawn 4700) | ActiveOil | 6,995 | Oct 3, 2008 | 2 | Aug 2026 |
| Rossell #142-181-31033 | Felderhoff Production Company | GraysonCollinsville East (Strawn 3600) | PluggedOil | 4,490 | Jun 4, 2008 | 3 | — |
| Brookshear #1__42-181-31431 | — | GraysonHedaka (Strawn) | Plugged | 7,000 | Jun 28, 2007 | 1 | — |
| R-H Unit #142-181-31415 | Ginnings Company | GraysonSandusky West (Strawn North) | PluggedOil | 6,350 | Jul 21, 2006 | 1 | Oct 2007 |
| Super Unit #816W42-181-00629 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveInjection | 7,074 | Apr 12, 2006 | 3 | Aug 2026 |
| Harry Reast #1__42-181-02074 | — | GraysonSandusky, West (Strawn) | Plugged | 7,434 | Sep 25, 2001 | 1 | — |
| J.H.G. Corp. #142-181-30813 | Eagle Oil & Gas Co. | GraysonSouthmayd NE. (Strawn) | PluggedOil | 10,300 | Sep 8, 2000 | 2 | Sep 2000 |
| Cowgur Unit #2__42-181-31331 | — | GraysonSandusky, West (Strawn North) | Plugged | 6,900 | Mar 3, 1998 | 1 | — |
| Stephenson W. L. #242-181-31313 | Seitz J. R. & Adam Ltd. | GraysonCollinsville East (Strawn 3600) | PluggedOil | 4,200 | Mar 14, 1997 | 1 | Mar 1999 |
| Stephenson W. L. #142-181-01596 | Seitz J. R. & Adam Ltd. | GraysonCollinsville East (Strawn 3400) | PluggedOil | 3,951 | Feb 11, 1997 | 1 | Mar 1999 |
| Elliott Laura #242-181-31311 | Felderhoff Production Company | GraysonMcElreath (Strawn 3100) | ActiveInjection | 3,236 | Jan 6, 1997 | 1 | Jul 2026 |
| Mordecai #242-181-31304 | Felderhoff Production Company | GraysonMcElreath (Strawn 3100) | ActiveOil | 3,201 | Aug 28, 1996 | 1 | Jul 2026 |
| Andrews #142-181-31305 | Felderhoff Production Company | GraysonMcElreath (Strawn 3100) | Shut inOil | 3,206 | Aug 28, 1996 | 1 | Jul 2011 |
| Mordecai #142-181-31301 | Felderhoff Production Company | GraysonMcElreath (Strawn 3100) | ActiveOil | 3,182 | Jun 5, 1996 | 1 | Jul 2026 |
| Varley #642-181-31293 | Felderhoff Production Company | GraysonMcElreath (Strawn 3600) | ActiveOil | 5,007 | Dec 8, 1995 | 1 | Jul 2026 |
| Wright Archie #542-181-31288 | Aeternum Energy LLC | GraysonHester (Strawn) | Shut inOil | 5,701 | Jul 17, 1995 | 1 | Jun 2022 |
| Super Unit #60042-181-01226 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | Shut inOil | 6,130 | Sep 16, 1994 | 3 | Aug 2026 |