Quick answer: Valor's Medina County, Texas rankings show the 25 operators producing the most oil and gas here — Klaeger Operating Company leads — from Texas Railroad Commission filings over the last six months. If you own minerals in Medina County, these operators are your likely check-writers. Valor verifies the operator on your tract, audits every royalty check, and recovers suspended funds. Valor manages minerals; it never buys them.
The top 25 oil and gas operators in Medina County, Texas, ranked by monthly oil production. Combined output: 518,748 BBL oil and 0 Mcf gas across 157 reporting wells/leases.
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| Rank | Operator | Oil (BBL) | Gas (Mcf) | Wells |
|---|---|---|---|---|
| 1 | Klaeger Operating Company | 127,665 | 0 | 9 |
| 2 | Texas Secondary Oil | 126,220 | 0 | 50 |
| 3 | Production Resources | 70,622 | 0 | 12 |
| 4 | Pmr Energy LLC | 41,514 | 0 | 1 |
| 5 | 1859 Operating LLC | 34,472 | 0 | 10 |
| 6 | Premier Minerals | 28,143 | 0 | 1 |
| 7 | Burnett Oil | 19,541 | 0 | 4 |
| 8 | Calfas Cattle & Oil LLC | 17,627 | 0 | 9 |
| 9 | Black Creek Oil Company | 12,774 | 0 | 2 |
| 10 | Petro Lions | 9,273 | 0 | 3 |
| 11 | 3b Ranch | 7,640 | 0 | 2 |
| 12 | Rlu Operating | 6,667 | 0 | 8 |
| 13 | Rorico Oil Company | 4,290 | 0 | 1 |
| 14 | Rlu Oil & Gas | 2,682 | 0 | 12 |
| 15 | Aaa Oil Company | 1,589 | 0 | 1 |
| 16 | Mojave Resources LLC | 1,424 | 0 | 2 |
| 17 | Denpac | 1,158 | 0 | 3 |
| 18 | Longshot Energy | 1,060 | 0 | 5 |
| 19 | Tampke Service Company | 1,000 | 0 | 2 |
| 20 | Ka Barnes Oil & Gas Oper | 965 | 0 | 3 |
| 21 | Grothues G B Oil | 705 | 0 | 3 |
| 22 | Genie Oil Company | 588 | 0 | 11 |
| 23 | Hardwick Ross H Oil Company | 388 | 0 | 1 |
| 24 | Jca Oil Company | 372 | 0 | 1 |
| 25 | Left-Hand Ranch, LLC | 369 | 0 | 1 |
The largest oil and gas operators in Medina County by reported production are Klaeger Operating Company, Texas Secondary Oil, and Production Resources. In total, 25 operators reported 518,748 BBL of oil and 0 Mcf of gas across 157 wells and leases over the last six months. If you own minerals in Medina 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 Medina County records and your division orders. Valor's mineral management verifies which operators cover your Medina County tracts and reconciles every royalty check to the right well.
Yes — 25 operators reported active production in Medina County over the last six months, led by Klaeger Operating Company. Activity shifts as operators drill, complete, and sell interests; Valor monitors production and permits so Medina County owners can see changes near their tracts.
Operators pay Medina 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 Medina 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 Medina County. Valor manages minerals; it never buys them.
Page last reviewed: February 2026. Rankings are refreshed monthly from Texas Railroad Commission filings.