The top 25 oil and gas operators in Ellis County, Oklahoma, ranked by monthly oil production. Combined output: 1,386,960 BBL oil and 14,324,723 Mcf gas across 1,041 reporting wells/leases.
| Rank | Operator | Oil (BBL) | Gas (Mcf) | Wells |
|---|---|---|---|---|
| 1 | Mewbourne Oil Company | 825,759 | 5,670,312 | 194 |
| 2 | Unbridled Resources LLC | 222,764 | 4,050,515 | 329 |
| 3 | Sandridge Exploration & Production | 66,839 | 784,030 | 14 |
| 4 | Crawley Petroleum | 52,909 | 627,160 | 23 |
| 5 | Valpoint Operating | 32,137 | 688,690 | 14 |
| 6 | Rockies Resources Holdings | 27,735 | 258,665 | 2 |
| 7 | Presidio Petroleum | 26,108 | 292,945 | 95 |
| 8 | Duncan Oil Properties | 25,611 | 199,641 | 13 |
| 9 | Chesapeake Energy | 22,403 | 296,533 | 8 |
| 10 | Be Anadarko Ii LLC | 22,280 | 256,418 | 64 |
| 11 | Urban Oil & Gas Group | 18,070 | 257,216 | 49 |
| 12 | Unit Petroleum Company | 13,999 | 296,723 | 85 |
| 13 | Eog Resources | 5,885 | 99,458 | 5 |
| 14 | Hog Operating LLC | 5,136 | 96,787 | 2 |
| 15 | Diversified Production LLC | 4,055 | 46,220 | 22 |
| 16 | Phoenix Midstream LLC | 2,813 | 0 | 1 |
| 17 | Jones Energy | 2,184 | 40,499 | 6 |
| 18 | Templar Operating LLC | 1,883 | 14,197 | 4 |
| 19 | Overflow Energy | 1,706 | 0 | 1 |
| 20 | Latigo Oil & Gas | 1,552 | 294,934 | 98 |
| 21 | Ppp Petroleum | 1,314 | 14,597 | 4 |
| 22 | Encino Operating | 1,144 | 7,266 | 4 |
| 23 | Upland Operating LLC | 1,045 | 31,305 | 1 |
| 24 | Greenhead Energy Operating LLC | 929 | 0 | 1 |
| 25 | Singer Oil Company | 700 | 612 | 2 |