FIELDS · 14820001 · DISTRICT 7B

Callahan County Regular

Callahan 385 · Eastland 1 · Shackelford 1

Callahan County Regular is an RRC field with 471 leases on file reported by 487 operators, mostly in Callahan County.

In the 12 months reported through April 2026 it produced 18,333 barrels of oil, down 23% on the year before, from 47 leases reporting volume.

Grayrock Energy II, LLC holds the most, 7 leases and 178,561 barrels lifetime.

Lifetime, the field has reported 2.1 million barrels of oil and 1.6 million mcf of gas, across 455 oil and 15 gas leases.

471
leases on file · 455 oil, 15 gas
487
operators, all time
18.3K
bbl oil, last 12 reported -23%
12.5K
mcf gas, last 12 reported +92%
47
leases reporting volume
2.14M
bbl oil, lifetime · 1.6M mcf

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Oil by month

TEN YEARS · EVERY LEASE IN THE FIELD

Barrels reported on Form PR across the field's leases. The latest months are revised upward as late reports arrive.

Last 12 months 18,333 · prior 12 23,767(-23%)

02K4K6K20162017201820192020202120222023202420252026

Gas by month

TEN YEARS · EVERY LEASE IN THE FIELD

Gas-well gas plus casinghead, mcf, across the field's leases. The latest months are revised upward as late reports arrive.

Last 12 months 12,456 · prior 12 6,471(+92%)

05K10K15K20162017201820192020202120222023202420252026

Leases reporting volume

How many of the field's leases reported any oil or gas each month: the field's active footprint.

Latest month 35 · a year earlier 44(-20%)

05010020162017201820192020202120222023202420252026

Operators

BY LIFETIME OIL ON THEIR LEASES · TOP 20

OperatorLeasesOil, bblGas, mcfLast reported
Grayrock Energy II, LLC7179K120KJul 2026
Herd Producing Co, Inc2113K22Jul 2026
GGP Expl, Ltd2100K2.7KJul 2026
Wylie Bros. Prod. & Drgl. Co,inc490.9K72Jul 2026
Wilson Well Service Inc688.9K144Jul 2026
Ruby Oper Co, Inc374.8K65Jul 2026
US. Fuels, Inc466.3K172KJul 2026
500X Oper LLC164.4K70Jul 2026
Charter Petro Co162.1K24.3KJul 2026
CDJ Oil Company, LLC252.1K283Jul 2026
Simple Operating LLC150.4K20Jul 2026
Sweet Texas T Energy LLC1046.4K169Jul 2026
Adenryen, Ltd. Co145.7K21Jul 2026
Golden Horse Group Corp.144.8K76Jul 2026
Tom-Tom Oper, LLC141.1K0Jul 2026
Momentum Oper Co., Inc1140.5K6.37KJul 2026
Landmaster Ptrs, Inc136.3K18Jul 2026
Midsco435K13Jul 2026
Rock Operating132.4K7.35KJul 2026
Xtreme Oper Co LLC232.2K4Jul 2026

All 471 leases in Callahan County Regular, searchable →

Counties

About this data

Field 14820001 from RRC PDQ lease reports: lifetime totals and lease and operator counts from the field summary; the monthly series summed nightly from every lease report naming the field, cut at the statewide reported-through month. Counties from the wells completed on each lease.

New to these records? how production is reported

Developers: this page as JSON is GET /v1/data/fields/tx/14820001, documented in the API reference.