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Royalty Clerk

RRC field 20321001 · District 7B

Cook Ranch

The Cook Ranch field reported 43,290 barrels of oil in the last 12 months.

Field dossier

43,290bbl oil, last 12 months+2% vs prior year
Producing leases
21of 36 on record
Operators
6
Counties
2
Biggest operator
Stasney Well Service, LLC

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Where the field sits

fewermore

Shackelford County: 20 producing leasesThrockmorton County: 1 producing leaseShackelfordTaylorBaylorCallahanEastlandKnoxJonesStephensYoungHaskellArcherShackelfordThrockmorton
2 counties
Data through
Jul 2026
Leases on record
36

Five years of output in Cook Ranch

Oil output in the Cook Ranch field held steady over the last 12 months

43.3k bbl through Jul 2026, against 42.4k bbl a year earlier. Peak May 2026: 4,586 bbl.

Oil output in the Cook Ranch field held steady over the last 12 months43.3k bbl through Jul 2026, against 42.4k bbl a year earlier. Peak May 2026: 4,586 bbl.Oil, bbl per month01,0002,0003,0004,0005,000Peak 4,586 (May 26)3,82120222023202420252026
Oil output in the Cook Ranch field held steady over the last 12 months43.3k bbl through Jul 2026, against 42.4k bbl a year earlier. Peak May 2026: 4,586 bbl.Oil, bbl per month01,0002,0003,0004,0005,000Peak 4,586 (May 26)3,821'22'23'24'25'26

SourceTexas Railroad Commission Production Data Query, field 20321001, through Jul 2026, file dated Sep 18, 2026.

Leases in the Cook Ranch field

Under each volume: change on the year before.

Showing 21 of 21, ranked by output value.

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SourceTexas Railroad Commission Production Data Query.

Who operates here, and where

Operators, by oil

Stasney Well Service leads

  1. Stasney Well Service, LLC14 leases29.4kbbl
  2. DH Operating, Inc.2 leases6,284bbl
  3. Subsea Operating Co.1 lease3,449bbl
  4. Bluff Creek Petroleum, LLC1 lease2,991bbl
  5. Tom-Tom Operating, LLC2 leases935bbl
  6. CDJ Oil Company, LLC1 lease12bbl

Counties, by oil

Shackelford County leads

  1. Shackelford County20 leases39.6kbbl
  2. Throckmorton County1 lease3,449bbl

Recent drilling permits in the Cook Ranch field