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Royalty Clerk

Texas county · RRC district 01

Frio County

Frio County reported 6.1 million barrels of oil and 13 million mcf of gas in the 12 months through Jul 2026. That ranks 36th of 224 Texas counties by oil.

County dossier · #36 of 224 for oil

6,131,478bbl oil, last 12 months0% vs prior year
Producing leases
341of 645 on record
Operators
47
Fields
21
Top operator
Javelin Energy Partners Mgmt LLC

Own minerals in Frio County?

Upload a royalty check stub or a phone photo. We compare each month with the Jul 2026 state numbers for the leases below.

Check my statementLook up a lease by name

Where it sits

This county

Frio CountyFrioZavalaAtascosaUvaldeMedinaBexarFrio County
Frio County · RRC district 01
Gas, last 12 months
13,236,882 mcf
Share of Texas oil
0.3%
Leases on record
645
Data through
Jul 2026

Production

Five years of output in Frio County

Monthly totals for every lease the Railroad Commission places in this county. Oil is in barrels (bbl), gas in thousand cubic feet (mcf).

Oil output in Frio County held steady over the last 12 months

6.1M bbl in the 12 months through Jul 2026, against 6.2M bbl in the 12 months before. Peak month: May 2023, 677k bbl.

Oil output in Frio County held steady over the last 12 months6.1M bbl in the 12 months through Jul 2026, against 6.2M bbl in the 12 months before. Peak month: May 2023, 677k bbl.Oil, bbl per month0250k500k750kPeak 677k (May 23)537k20222023202420252026
Oil output in Frio County held steady over the last 12 months6.1M bbl in the 12 months through Jul 2026, against 6.2M bbl in the 12 months before. Peak month: May 2023, 677k bbl.Oil, bbl per month0250k500k750kPeak 677k (May 23)537k'22'23'24'25'26

Gas output in Frio County rose 6% over the last 12 months

13M mcf in the 12 months through Jul 2026, against 13M mcf in the 12 months before. Peak month: Dec 2022, 1.4M mcf.

Gas output in Frio County rose 6% over the last 12 months13M mcf in the 12 months through Jul 2026, against 13M mcf in the 12 months before. Peak month: Dec 2022, 1.4M mcf.Gas, mcf per month0500k1M1.5MPeak 1.4M (Dec 22)947k20222023202420252026
Gas output in Frio County rose 6% over the last 12 months13M mcf in the 12 months through Jul 2026, against 13M mcf in the 12 months before. Peak month: Dec 2022, 1.4M mcf.Gas, mcf per month0500k1M1.5MPeak 1.4M (Dec 22)947k'22'23'24'25'26

SourceTexas Railroad Commission, Production Data Query, county totals of every lease. Reported through Jul 2026, file dated Sep 18, 2026. The newest month is often revised as operators file late.

Leases

The biggest leases in Frio County

Ranked by what they produced in the last 12 months. Sort, filter by operator or field, and open any lease for its month-by-month ledger.

Showing 25 of 150 (the 150 largest of 341 producing leases).

Search all 645 leases →

SourceTexas Railroad Commission, Production Data Query. Ranked by an approximate value of last-12-month output, so oil and gas wells sort together.

In Frio County

Who runs the leases, and what they produce

Your royalty check comes from the operator. These are the ones with the most output here.

Operators in Frio County, by oil

Javelin Energy Partners Mgmt leads

  1. Javelin Energy Partners Mgmt LLC89 producing leases here2.6Mbbl
  2. Formentera Operations LLC11 producing leases here1Mbbl
  3. Trinity Operating (Usg), LLC48 producing leases here635kbbl
  4. Rosewood Resources, Inc.21 producing leases here591kbbl
  5. Trailblazer Energy Resources,llc21 producing leases here425kbbl
  6. Exco Operating Company, LP14 producing leases here263kbbl
  7. U.S. Energy Development Corp8 producing leases here230kbbl
  8. Ageron Energy, LLC6 producing leases here121kbbl

Fields in Frio County, by oil

Briscoe Ranch (Eagleford) leads

  1. Briscoe Ranch (Eagleford)188 producing leases here · District 01 · Field 120182004.5Mbbl
  2. Indio Tanks (Pearsall)10 producing leases here · District 01 · Field 44510500734kbbl
  3. Eagleville (Eagle Ford-1)28 producing leases here · District 01 · Field 27135700704kbbl
  4. Pearsall (Austin Chalk)38 producing leases here · District 01 · Field 6998112588.3kbbl
  5. Doering Ranch (Georgetown)10 producing leases here · District 01 · Field 2514623011.9kbbl
  6. Pearsall (Buda, S.)7 producing leases here · District 01 · Field 699813758,089bbl
  7. Stacy (Olmos -A-)5 producing leases here · District 01 · Field 854575007,612bbl
  8. Pearsall (Buda Lime)8 producing leases here · District 01 · Field 699812506,970bbl

More operators here

OperatorVerdun Oil Ef II LLC1OperatorHuntington Energy, L.L.C.7OperatorSilver Anchor Resources LLC1OperatorBlackbrush O & G, LLC19
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Recent drilling permits in Frio County

For owners

Minerals in Frio County, in plain terms

Rank by oil
36 of 224
Share of Texas oil
0.3%
Producing leases
341
Operators
47

If you inherited mineral rights in Frio County, the money comes from an operator: the company that drills and runs the wells. Here, the largest is Javelin Energy Partners Mgmt LLC, among 47 operators with producing leases.

Each lease has a name, a Railroad Commission district and a lease number. Your check stub prints them, or a version of them. Search the name on your stub, open the lease, and compare the “oil sold” and “gas sold” volumes for the month with the barrels and mcf on your stub.

We hold 645 leases in Frio County, of which 341 reported production recently. The state publishes county totals two to three months late, so Jul 2026 is the newest month.