The top 25 oil and gas operators in Duval County, Texas, ranked by monthly oil production. Combined output: 3,378,070 BBL oil and 113,205 Mcf gas across 178 reporting wells/leases.
| Rank | Operator | Oil (BBL) | Gas (Mcf) | Wells |
|---|---|---|---|---|
| 1 | Hilcorp Energy Company | 1,913,994 | 50,561 | 47 |
| 2 | Killam Oil | 575,082 | 0 | 36 |
| 3 | Black Gold Operating | 213,345 | 1,347 | 11 |
| 4 | Aurora Resources | 181,310 | 0 | 4 |
| 5 | Mcgowan Working Partners | 128,616 | 37,392 | 2 |
| 6 | 3d Oil Company | 70,274 | 0 | 5 |
| 7 | Trans-Tex Operating LLC | 50,059 | 0 | 2 |
| 8 | Reserve Operating | 39,083 | 0 | 1 |
| 9 | Caribbean Energy | 36,166 | 0 | 7 |
| 10 | Dewbre Jerry C Trustee | 33,533 | 1,044 | 9 |
| 11 | Texas Petroleum Investment Company | 29,988 | 16,889 | 4 |
| 12 | Kd Energy | 19,470 | 1,123 | 5 |
| 13 | Rattlesnake Operating Co LLC | 13,696 | 4,849 | 15 |
| 14 | Serna | 12,603 | 0 | 3 |
| 15 | Ragars Oil & Gas Company | 10,409 | 0 | 2 |
| 16 | Schlachter Operating | 8,561 | 0 | 1 |
| 17 | Awp Operating Company | 8,173 | 0 | 2 |
| 18 | Trium | 5,490 | 0 | 1 |
| 19 | Smith Production | 5,408 | 0 | 3 |
| 20 | Ltd Explorations | 4,257 | 0 | 7 |
| 21 | Enerquest Operating | 4,010 | 0 | 1 |
| 22 | Chumley George Estate Of | 3,955 | 0 | 1 |
| 23 | The Ozzo Corp | 3,680 | 0 | 2 |
| 24 | Hbc Oil | 3,478 | 0 | 4 |
| 25 | Providence Oil & Gas Company | 3,430 | 0 | 3 |