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Royalty Clerk

Texas county · RRC district 03

Jefferson County

Jefferson County reported 306,779 barrels of oil and 1.4 million mcf of gas in the last 12 months. That ranks 115th of 224 Texas counties by oil.

County dossier

306,779bbl oil, last 12 months−9% vs prior year
Producing leases
91of 279 on record
Operators
26
Fields
60
Top operator
Hilcorp Energy Company

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Where it sits

This county

Jefferson CountyJeffersonOrangeChambersHardinLibertyJefferson County
Jefferson County · RRC district 03
Gas, last 12 months
1,421,298 mcf
Share of Texas oil
<0.1%
Data through
Jul 2026
Top field
Taylor Bayou, S. (Hackberry 1)

Five years of output in Jefferson County

Oil output in Jefferson County fell 9% over the last 12 months

307k bbl through Jul 2026, against 337k bbl a year earlier. Peak Apr 2022: 50.8k bbl.

Oil output in Jefferson County fell 9% over the last 12 months307k bbl through Jul 2026, against 337k bbl a year earlier. Peak Apr 2022: 50.8k bbl.Oil, bbl per month020k40k60kPeak 50.8k (Apr 22)20.6k20222023202420252026
Oil output in Jefferson County fell 9% over the last 12 months307k bbl through Jul 2026, against 337k bbl a year earlier. Peak Apr 2022: 50.8k bbl.Oil, bbl per month020k40k60kPeak 50.8k (Apr 22)20.6k'22'23'24'25'26

Gas output in Jefferson County held steady over the last 12 months

1.4M mcf through Jul 2026, against 1.5M mcf a year earlier. Peak May 2022: 294k mcf.

Gas output in Jefferson County held steady over the last 12 months1.4M mcf through Jul 2026, against 1.5M mcf a year earlier. Peak May 2022: 294k mcf.Gas, mcf per month0100k200k300kPeak 294k (May 22)117k20222023202420252026
Gas output in Jefferson County held steady over the last 12 months1.4M mcf through Jul 2026, against 1.5M mcf a year earlier. Peak May 2022: 294k mcf.Gas, mcf per month0100k200k300kPeak 294k (May 22)117k'22'23'24'25'26

SourceTexas Railroad Commission Production Data Query, county totals, through Jul 2026, file dated Sep 18, 2026.

The biggest leases in Jefferson County

Under each volume: change on the year before.

Showing 25 of 91, ranked by output value.

Every lease in Jefferson County, A to Z →

SourceTexas Railroad Commission Production Data Query.

Who runs the leases, and what they produce

Operators in Jefferson County, by oil

Hilcorp Energy leads

  1. Hilcorp Energy Company17 leases80.5kbbl
  2. Ballard Exploration Company,inc.6 leases57kbbl
  3. Olipdp II, LLC2 leases22.2kbbl
  4. Rheaco Oil Company, Ltd.3 leases21.9kbbl
  5. White Marlin Operating Co, LLC5 leases21.6kbbl
  6. Gepard Energy Inc2 leases18.5kbbl
  7. Fort Apache Energy, Inc.1 lease13.9kbbl
  8. Milestone Operating, Inc.14 leases13.8kbbl

Fields in Jefferson County, by oil

Fannett leads

  1. Fannett4 leases · District 03 · Field 3015300134.3kbbl
  2. Spindletop6 leases · District 03 · Field 8519500130.7kbbl
  3. Taylor Bayou, S. (Hackberry 1)1 lease · District 03 · Field 8850622225.7kbbl
  4. Claude Watts (Yegua 12600)1 lease · District 03 · Field 1866167525kbbl
  5. Pleasure Island (Hackberry 2)1 lease · District 03 · Field 7193060022.3kbbl
  6. Port Acres (Marg-Frio Cons.)2 leases · District 03 · Field 7237955022.2kbbl
  7. Clam Lake2 leases · District 03 · Field 1845800118.5kbbl
  8. LA Belle (8600)2 leases · District 03 · Field 5063897016.9kbbl

More operators here

OperatorKingwood Exploration LLC5OperatorS & S Operating Company, Inc.7OperatorWhite Stride LLC3OperatorSawtooth Operating Co., Inc.2
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Recent drilling permits in Jefferson County