The top 25 oil and gas operators in Harper County, Oklahoma, ranked by monthly oil production. Combined output: 17,937 BBL oil and 1,231,502 Mcf gas across 529 reporting wells/leases.
| Rank | Operator | Oil (BBL) | Gas (Mcf) | Wells |
|---|---|---|---|---|
| 1 | Latigo Oil & Gas | 4,931 | 584,552 | 225 |
| 2 | Mewbourne Oil Company | 2,611 | 68,449 | 29 |
| 3 | Stephens Exploration | 2,004 | 5,947 | 7 |
| 4 | Foundation Energy Management | 1,244 | 57,649 | 21 |
| 5 | Redline Energy | 879 | 17,546 | 14 |
| 6 | Twain Energy LLC | 740 | 244,314 | 105 |
| 7 | Evolution Energy LLC | 524 | 33,754 | 14 |
| 8 | Kirkpatrick Oil Company | 514 | 3,216 | 4 |
| 9 | Marjo Operating | 512 | 0 | 1 |
| 10 | Great Horned Owls, LLC | 503 | 15,420 | 6 |
| 11 | Texok Energy | 484 | 4,424 | 3 |
| 12 | Coastal Plains Energy | 385 | 23,127 | 11 |
| 13 | Kenneth W Cory | 363 | 80,888 | 39 |
| 14 | Stone Oak Operating | 357 | 4,048 | 4 |
| 15 | Chaco Energy Company | 193 | 10,817 | 5 |
| 16 | B & G Production | 193 | 14,656 | 5 |
| 17 | Rkk Production Company | 183 | 3,193 | 4 |
| 18 | Jbrex Company | 179 | 8,598 | 15 |
| 19 | Pride Energy Company | 179 | 0 | 1 |
| 20 | Samson Resources Company | 168 | 5,262 | 1 |
| 21 | Quail Oil & Gas Lc | 168 | 29,846 | 5 |
| 22 | Skycap Energy | 168 | 8,780 | 5 |
| 23 | Sandridge Exploration & Production | 164 | 0 | 1 |
| 24 | Joallyn Oil | 162 | 5,444 | 3 |
| 25 | Cummings Oil Company | 130 | 1,572 | 1 |