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Royalty Clerk

Texas county · RRC district 08

Ector County

Ector County reported 19 million barrels of oil and 47 million mcf of gas in the 12 months through Jul 2026. That ranks 25th of 224 Texas counties by oil.

County dossier · #25 of 224 for oil

19,470,761bbl oil, last 12 months−6% vs prior year
Producing leases
1,055of 1,663 on record
Operators
97
Fields
139
Top operator
Diamondback E&P LLC

Own minerals in Ector County?

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

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Where it sits

This county

Ector CountyEctorMartinMidlandAndrewsWinklerWardEctor County
Ector County · RRC district 08
Gas, last 12 months
46,905,648 mcf
Share of Texas oil
1.0%
Leases on record
1,663
Data through
Jul 2026

Production

Five years of output in Ector 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 Ector County fell 6% over the last 12 months

19M bbl in the 12 months through Jul 2026, against 21M bbl in the 12 months before. Peak month: Oct 2024, 2.1M bbl.

Oil output in Ector County fell 6% over the last 12 months19M bbl in the 12 months through Jul 2026, against 21M bbl in the 12 months before. Peak month: Oct 2024, 2.1M bbl.Oil, bbl per month0500k1M1.5M2M2.5MPeak 2.1M (Oct 24)1.5M20222023202420252026
Oil output in Ector County fell 6% over the last 12 months19M bbl in the 12 months through Jul 2026, against 21M bbl in the 12 months before. Peak month: Oct 2024, 2.1M bbl.Oil, bbl per month0500k1M1.5M2M2.5MPeak 2.1M (Oct 24)1.5M'22'23'24'25'26

Gas output in Ector County rose 9% over the last 12 months

47M mcf in the 12 months through Jul 2026, against 43M mcf in the 12 months before. Peak month: Mar 2026, 4.3M mcf.

Gas output in Ector County rose 9% over the last 12 months47M mcf in the 12 months through Jul 2026, against 43M mcf in the 12 months before. Peak month: Mar 2026, 4.3M mcf.Gas, mcf per month01M2M3M4M5MPeak 4.3M (Mar 26)3.8M20222023202420252026
Gas output in Ector County rose 9% over the last 12 months47M mcf in the 12 months through Jul 2026, against 43M mcf in the 12 months before. Peak month: Mar 2026, 4.3M mcf.Gas, mcf per month01M2M3M4M5MPeak 4.3M (Mar 26)3.8M'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 Ector 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 1,055 producing leases).

Search all 1,663 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 Ector 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 Ector County, by oil

Diamondback E&P leads

  1. Diamondback E&P LLC158 producing leases here4.4Mbbl
  2. Continental Resources, Inc.21 producing leases here3.5Mbbl
  3. Occidental Permian Ltd.52 producing leases here1.9Mbbl
  4. Cog Operating LLC30 producing leases here1.7Mbbl
  5. Permian Resources Operating, LLC5 producing leases here839kbbl
  6. Firebird Energy II LLC7 producing leases here684kbbl
  7. Ring Energy, Inc.11 producing leases here618kbbl
  8. Hilcorp Energy Company45 producing leases here578kbbl

Fields in Ector County, by oil

Spraberry (Trend Area) leads

  1. Spraberry (Trend Area)157 producing leases here · District 08 · Field 852803007Mbbl
  2. Emma (Barnett Shale)20 producing leases here · District 08 · Field 288990402.7Mbbl
  3. Goldsmith (Clear Fork)115 producing leases here · District 08 · Field 356520621.6Mbbl
  4. Peart (Barnett)10 producing leases here · District 08 · Field 699962001.6Mbbl
  5. Cowden, North24 producing leases here · District 08 · Field 21289001924kbbl
  6. Novo (Mississippian)8 producing leases here · District 08 · Field 66262500751kbbl
  7. Penwell (Clear Fork 5100)6 producing leases here · District 08 · Field 70537198573kbbl
  8. Goldsmith36 producing leases here · District 08 · Field 35652001533kbbl

More operators here

OperatorMaverick Permian LLC34OperatorFasken Oil and Ranch, Ltd.15OperatorOvintiv USA Inc.5OperatorFormentera Operations LLC49
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Recent drilling permits in Ector County

For owners

Minerals in Ector County, in plain terms

Rank by oil
25 of 224
Share of Texas oil
1.0%
Producing leases
1,055
Operators
97

If you inherited mineral rights in Ector County, the money comes from an operator: the company that drills and runs the wells. Here, the largest is Diamondback E&P LLC, among 97 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 1,663 leases in Ector County, of which 1,055 reported production recently. The state publishes county totals two to three months late, so Jul 2026 is the newest month.