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Royalty Clerk

RRC field 14922100 · District 05

Calvert (Cotton Valley)

The Calvert (Cotton Valley) field reported 89,361 mcf of gas and 24 barrels of oil in the last 12 months.

Field dossier

89,361mcf gas, last 12 months−1% vs prior year
Producing leases
11
Operators
1
Counties
2
Biggest operator
Hilcorp Energy Company

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Where the field sits

fewermore

Robertson County: 10 producing leasesMilam County: 1 producing leaseRobertsonFallsLimestoneBellWilliamsonMcLennanWashingtonLeonBrazosBurlesonLeeGrimesRobertsonMilam
2 counties
Oil, last 12 months
24 bbl
Data through
Jul 2026

Five years of output in Calvert (Cotton Valley)

Gas output in the Calvert (Cotton Valley) field held steady over the last 12 months

89.4k mcf through Jul 2026, against 90.2k mcf a year earlier. Peak Jan 2023: 10k mcf.

Gas output in the Calvert (Cotton Valley) field held steady over the last 12 months89.4k mcf through Jul 2026, against 90.2k mcf a year earlier. Peak Jan 2023: 10k mcf.Gas, mcf per month02,5005,0007,50010k12.5kPeak 10k (Jan 23)7,71520222023202420252026
Gas output in the Calvert (Cotton Valley) field held steady over the last 12 months89.4k mcf through Jul 2026, against 90.2k mcf a year earlier. Peak Jan 2023: 10k mcf.Gas, mcf per month02,5005,0007,50010k12.5kPeak 10k (Jan 23)7,715'22'23'24'25'26

Oil output in the Calvert (Cotton Valley) field rose 700% over the last 12 months

24 bbl through Jul 2026, against 3 bbl a year earlier. Peak Jun 2026: 14 bbl.

Oil output in the Calvert (Cotton Valley) field rose 700% over the last 12 months24 bbl through Jul 2026, against 3 bbl a year earlier. Peak Jun 2026: 14 bbl.Oil, bbl per month051015Peak 14 (Jun 26)1020222023202420252026
Oil output in the Calvert (Cotton Valley) field rose 700% over the last 12 months24 bbl through Jul 2026, against 3 bbl a year earlier. Peak Jun 2026: 14 bbl.Oil, bbl per month051015Peak 14 (Jun 26)10'22'23'24'25'26

SourceTexas Railroad Commission Production Data Query, field 14922100, through Jul 2026, file dated Sep 18, 2026.

Leases in the Calvert (Cotton Valley) field

Under each volume: change on the year before.

Showing 11 of 11, ranked by output value.

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SourceTexas Railroad Commission Production Data Query.

Who operates here, and where

Counties, by gas

Robertson County leads

  1. Robertson County10 leases84.3kmcf
  2. Milam County1 lease5,036mcf

Recent drilling permits in the Calvert (Cotton Valley) field

No recent permits.