The top 25 oil and gas operators in Zavala County, Texas, ranked by monthly oil production. Combined output: 26,813,398 BBL oil and 26,153,695 Mcf gas across 283 reporting wells/leases.
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| Rank | Operator | Oil (BBL) | Gas (Mcf) | Wells |
|---|---|---|---|---|
| 1 | Exco Operating Company | 22,491,109 | 17,381,513 | 95 |
| 2 | Buffco Production | 1,639,922 | 1,071,586 | 13 |
| 3 | Magnolia Oil & Gas Operating | 1,017,725 | 856,857 | 10 |
| 4 | Trinity Operating Usg | 718,695 | 4,854,483 | 16 |
| 5 | U S Energy Development | 369,814 | 1,055,769 | 9 |
| 6 | Flint Oak Energy | 123,237 | 26,007 | 11 |
| 7 | Blackbrush O & G | 77,805 | 366,177 | 1 |
| 8 | Cml Exploration | 64,121 | 138,440 | 49 |
| 9 | Rickaway Energy | 60,600 | 0 | 1 |
| 10 | Formentera Operations LLC | 50,866 | 55,787 | 6 |
| 11 | Ineos Usa Oil & Gas LLC | 48,845 | 43,950 | 1 |
| 12 | Etoco | 35,170 | 14,306 | 1 |
| 13 | Ageron Energy | 31,545 | 87,838 | 2 |
| 14 | Atlas Operating | 30,245 | 0 | 6 |
| 15 | Crescent Energy Operating, LLC | 19,578 | 126,732 | 6 |
| 16 | Mcday Energy | 11,925 | 31,454 | 34 |
| 17 | Sage Energy Company | 4,362 | 42,372 | 4 |
| 18 | White Marlin Operating | 3,335 | 0 | 2 |
| 19 | Hawthorn Energy Partners | 3,268 | 0 | 1 |
| 20 | 907 Oil LLC | 3,020 | 0 | 4 |
| 21 | Bollinger Drilling Company | 3,000 | 0 | 1 |
| 22 | Arrco Operating | 1,973 | 420 | 5 |
| 23 | Bpx Operating Company | 1,117 | 0 | 2 |
| 24 | Hamilton Clay | 1,070 | 0 | 2 |
| 25 | Bridger Oil | 1,051 | 4 | 1 |
The largest oil and gas operators in Zavala County by reported production are Exco Operating Company, Buffco Production, and Magnolia Oil & Gas Operating. In total, 25 operators reported 26,813,398 BBL of oil and 26,153,695 Mcf of gas across 283 wells and leases over the last six months. If you own minerals in Zavala County, these operators are your likely check-writers — Valor tracks production and royalties by tract so you know who owes you.
Start with the operator rankings on this page, then confirm the exact well and operator on your tract through the Zavala County records and your division orders. Valor's mineral management verifies which operators cover your Zavala County tracts and reconciles every royalty check to the right well.
Yes — 25 operators reported active production in Zavala County over the last six months, led by Exco Operating Company. Activity shifts as operators drill, complete, and sell interests; Valor monitors production and permits so Zavala County owners can see changes near their tracts.
Operators pay Zavala County mineral owners a royalty on production, based on a decimal interest set out on a division order. Missed or suspended checks are common after a move, a death, or a title gap. Valor audits Zavala County royalty statements, recovers suspended funds, and manages the interest so owners are paid correctly.
Valor manages minerals for owners — confirming which of the operators above cover your tracts, auditing every royalty check, recovering suspended and unclaimed funds, and giving you one clear, tax-ready view of what you own in Zavala County. Valor manages minerals; it never buys them.