Skip to content
Royalty Clerk

RRC operator 123872

Calk Oil Company

Calk Oil Company reported 2,375 barrels of oil in the last 12 months.

Operator dossier

2,375bbl oil, last 12 months−7% vs prior year
Producing leases
15of 17 on record
Counties
2
Biggest county
Atascosa County
Biggest field
Somerset

Get checks from Calk Oil Company?

Check my statement

Where they work

fewermore

Atascosa County: 8 producing leasesBexar County: 7 producing leasesAtascosaAtascosaBexar
2 counties
Fields
2
Data through
Jul 2026

Five years of Calk Oil Company output

Oil output from Calk Oil Company fell 7% over the last 12 months

2,375 bbl through Jul 2026, against 2,560 bbl a year earlier. Peak Jul 2024: 341 bbl.

Oil output from Calk Oil Company fell 7% over the last 12 months2,375 bbl through Jul 2026, against 2,560 bbl a year earlier. Peak Jul 2024: 341 bbl.Oil, bbl per month0100200300400Peak 341 (Jul 24)16820222023202420252026
Oil output from Calk Oil Company fell 7% over the last 12 months2,375 bbl through Jul 2026, against 2,560 bbl a year earlier. Peak Jul 2024: 341 bbl.Oil, bbl per month0100200300400Peak 341 (Jul 24)168'22'23'24'25'26

SourceTexas Railroad Commission Production Data Query, operator 123872, through Jul 2026, file dated Sep 18, 2026.

Calk Oil Company leases, biggest first

Under each volume: change on the year before.

Showing 15 of 15, ranked by output value.

Search by lease name →

SourceTexas Railroad Commission Production Data Query.

Counties and fields where Calk Oil Company produces

Counties, by Calk Oil Company oil

Atascosa County leads

  1. Atascosa County8 leases1,418bbl
  2. Bexar County7 leases1,143bbl

Fields, by Calk Oil Company oil

Somerset leads

  1. Somerset12 leases · District 01 · Field 845600012,023bbl
  2. Fairfield3 leases · District 01 · Field 30007001538bbl

Recent drilling permits for Calk Oil Company

No recent permits.