| Cook W. I. S Sec. 60 #442-417-03962 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch (Strawn Sand) | PluggedOil | — | — | — | — |
| Cook W. I. Estate Sec. 111-a #2242-417-04015 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook W. I. Estate Sec. 111-a #2342-417-04016 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook -a- Sec. 113 #2142-417-12248 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook -a- Sec. 113 #2642-417-20064 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | Not on scheduleOil | — | — | — | — |
| Cook -a- Sec. 113 #2842-417-30141 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook-B.-Sec. 81 #342-417-30938 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedGas | — | — | — | — |
| Cook B Sec. 64 #342-417-31022 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch (Fry Lo.) | PluggedGas | — | — | — | — |
| Cook B Sec. 118 #242-417-31377 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook B Sec. 118 #342-417-31430 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook B Sec. 118 #542-417-31431 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook B Sec. 118 #642-417-31459 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook B Sec. 118 #742-417-31502 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook B Sec. 118 #842-417-31515 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook B Sec. 118 #942-417-31522 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook B Sec. 118 #1042-417-32063 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook W. I. Sec. 88-a #3942-417-80026 | Young Marshall R. Oil Co. | Shackelford, TXShackelford County Regular (Gas) | Not on scheduleGas | — | — | — | — |
| 1442-417-80027 | Young Marshall R. Oil Co. | Shackelford, TXShackelford County Regular (Gas) | Not on scheduleGas | — | — | — | — |
| 5142-417-80028 | Young Marshall R. Oil Co. | Shackelford, TXShackelford County Regular (Gas) | Not on scheduleGas | — | — | — | — |
| Cook -a- Sec. 113 #642-417-81796 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook -a- Sec. 113 #1842-417-81802 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook -a- Sec. 113 #1942-417-81803 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook -a- Sec. 113 #2042-417-81804 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook -a- Sec. 113 #2242-417-81806 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook W. I. Est. Sec. III-a-West #3342-417-81872 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook W. I. Est. Sec. III-a-West #3442-417-81873 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook W. I. Est. Sec. III-a-West #3642-417-81875 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| Cook W. I. Est. Sec. III-a-West #3842-417-81877 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch | PluggedOil | — | — | — | — |
| 4042-417-82629 | Young Marshall R. Oil Co. | Shackelford, TXShackelford County Regular | Not on scheduleOil | — | — | — | — |
| 5242-417-82737 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch (Miss.) | Not on scheduleOil | — | — | — | — |
| Cook W. I. S Sec. 60 #242-417-84739 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch (Strawn Sand) | PluggedOil | — | — | — | — |
| Cook W. I. S Sec. 60 #642-417-84741 | Young Marshall R. Oil Co. | Shackelford, TXCook Ranch (Strawn Sand) | PluggedOil | — | — | — | — |
| Sawyer -a- #142-445-00200 | Young Marshall R. Oil Co. | Terry, TXStatex (Cisco Reef) | Not on scheduleOil | — | — | — | — |
| Brownfield A. M. #342-445-30024 | Young Marshall R. Oil Co. | Terry, TXPrentice NW. (San Andres) | PluggedOil | — | — | — | — |
| Pool A. E. Trust #142-445-30206 | Young Marshall R. Oil Co. | Terry, TXKingdom (San Andres) | PluggedOil | — | — | — | — |
| Brown Prentice F. #142-445-30207 | Young Marshall R. Oil Co. | Terry, TXKingdom (San Andres) | Not on scheduleOil | — | — | — | — |