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RRC field 61691235 · District 10

Mills Ranch (Granite Wash Cons.)

The Mills Ranch (Granite Wash Cons.) field reported 409,424 barrels of oil and 6.6 million mcf of gas in the last 12 months.

Field dossier

409,424bbl oil, last 12 months−14% vs prior year
Producing leases
204of 237 on record
Operators
10
Counties
1
Biggest operator
Unbridled Resources, LLC

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Where the field sits

This county

Wheeler County: 204 producing leasesWheelerGrayHemphillRobertsWheeler County
1 county
Gas, last 12 months
6,648,658 mcf
Data through
Jul 2026

Five years of output in Mills Ranch (Granite Wash Cons.)

Oil output in the Mills Ranch (Granite Wash Cons.) field fell 14% over the last 12 months

409k bbl through Jul 2026, against 475k bbl a year earlier. Peak Aug 2021: 80.7k bbl.

Oil output in the Mills Ranch (Granite Wash Cons.) field fell 14% over the last 12 months409k bbl through Jul 2026, against 475k bbl a year earlier. Peak Aug 2021: 80.7k bbl.Oil, bbl per month025k50k75k100kPeak 80.7k (Aug 21)31.8k20222023202420252026
Oil output in the Mills Ranch (Granite Wash Cons.) field fell 14% over the last 12 months409k bbl through Jul 2026, against 475k bbl a year earlier. Peak Aug 2021: 80.7k bbl.Oil, bbl per month025k50k75k100kPeak 80.7k (Aug 21)31.8k'22'23'24'25'26

Gas output in the Mills Ranch (Granite Wash Cons.) field held steady over the last 12 months

6.6M mcf through Jul 2026, against 6.7M mcf a year earlier. Peak Aug 2021: 859k mcf.

Gas output in the Mills Ranch (Granite Wash Cons.) field held steady over the last 12 months6.6M mcf through Jul 2026, against 6.7M mcf a year earlier. Peak Aug 2021: 859k mcf.Gas, mcf per month0250k500k750k1MPeak 859k (Aug 21)612k20222023202420252026
Gas output in the Mills Ranch (Granite Wash Cons.) field held steady over the last 12 months6.6M mcf through Jul 2026, against 6.7M mcf a year earlier. Peak Aug 2021: 859k mcf.Gas, mcf per month0250k500k750k1MPeak 859k (Aug 21)612k'22'23'24'25'26

SourceTexas Railroad Commission Production Data Query, field 61691235, through Jul 2026, file dated Sep 18, 2026.

Leases in the Mills Ranch (Granite Wash Cons.) field

Under each volume: change on the year before.

Showing 25 of 150 (the 150 largest of 204), ranked by output value.

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SourceTexas Railroad Commission Production Data Query.

Who operates here, and where

Operators, by oil

Unbridled Resources leads

  1. Unbridled Resources, LLC82 leases181kbbl
  2. Mmgl Txph, LLC28 leases65.3kbbl
  3. Presidio Petroleum LLC24 leases54.2kbbl
  4. Sanguine Gas Exploration, LLC27 leases52.9kbbl
  5. Formentera Operations LLC28 leases39kbbl
  6. Mustang Fuel Corporation5 leases12.7kbbl
  7. Richland Resources Corporation7 leases2,352bbl
  8. Crawley Petroleum Corporation1 lease1,108bbl

More operators

OperatorKing Operating Corporation1OperatorLone Tree Oil & Gas LLC1

Recent drilling permits in the Mills Ranch (Granite Wash Cons.) field