Quick answer: Valor's Nolan County, Texas rankings show the 17 operators producing the most oil and gas here — Grayrock Energy Ii LLC leads — from Texas Railroad Commission filings over the last six months. If you own minerals in Nolan 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 17 oil and gas operators in Nolan County, Texas, ranked by monthly oil production. Combined output of all 25 reporting operators: 7,141,579 BBL oil and 19,216,972 Mcf gas across 187 reporting wells/leases.
Momentum blends the year-over-year change in average monthly production (oil + gas at 6 Mcf per BOE, 2025-11 – 2026-05 vs the same months a year earlier, complete reporting months only) with the change in drilling permits (last 12 months vs the prior 12: 15 vs 10). Each input is capped at ±100%.
Benchmark gross value of production: about $4.1M per month — 50,905 bbl of oil and 93,561 Mcf of gas a month, priced at the EIA average WTI ($73.03/bbl) and Henry Hub ($4.20/MMBtu) spot prices over the same months.
Benchmark prices before quality and location differentials, transport, taxes and costs; this is a county-level economic indicator, not the value of any mineral or royalty interest.
Source: Valor analysis of public oil and gas data. Statistics are published on this page; no bulk download is offered.
| Rank | Operator | Oil (BBL) | Gas (Mcf) | Wells |
|---|---|---|---|---|
| 1 | Grayrock Energy Ii LLC | 5,021,296 | 2,219,567 | 5 |
| 2 | Citation Oil & Gas | 1,667,238 | 16,610,141 | 5 |
| 3 | Goodrock Natural Resources | 106,564 | 4,162 | 19 |
| 4 | Scout Energy Management | 72,878 | 22,782 | 29 |
| 5 | Clear Fork Incorporated | 44,364 | 25,733 | 15 |
| 6 | Williams Oil Company | 44,171 | 3,720 | 4 |
| 7 | Daylight Petroleum | 26,163 | 43,202 | 9 |
| 8 | R2q Operating | 25,079 | 49,605 | 23 |
| 9 | Winchester Energy Company | 22,454 | 10,829 | 6 |
| 11 | Gungoll Carl E Exploration | 19,009 | 17,030 | 4 |
| 12 | Lone Star Operations LLC | 12,884 | 0 | 21 |
| 14 | Flat Top Operating LLC | 9,146 | 15,750 | 3 |
| 15 | Lakeshore Operating | 9,105 | 31,040 | 13 |
| 17 | Patton E N Oil Company | 4,378 | 1,340 | 3 |
| 20 | Sojourner Drilling | 3,844 | 610 | 7 |
| 22 | Double M Petroproperties | 2,176 | 5,391 | 8 |
| 24 | Cedar Oil Company | 1,408 | 0 | 3 |
| — | 8 other operators (fewer than 3 producing wells/leases each) | 49,422 | 156,070 | 10 |
The largest oil and gas operators in Nolan County by reported production are Grayrock Energy Ii LLC, Citation Oil & Gas, and Goodrock Natural Resources. In total, 25 operators reported 7,141,579 BBL of oil and 19,216,972 Mcf of gas across 187 wells and leases over the last six months. If you own minerals in Nolan 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 Nolan County records and your division orders. Valor's mineral management verifies which operators cover your Nolan County tracts and reconciles every royalty check to the right well.
Yes — 25 operators reported active production in Nolan County over the last six months, led by Grayrock Energy Ii LLC. Activity shifts as operators drill, complete, and sell interests; Valor monitors production and permits so Nolan County owners can see changes near their tracts.
Operators pay Nolan 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 Nolan 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 Nolan County. Valor manages minerals; it never buys them.
Page last reviewed: July 2026. Rankings are refreshed monthly from Texas Railroad Commission filings.