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Royalty Clerk

Texas field · RRC field 66958500 · District 8A

Old Colony (L. Clearfork)

4 producing leases run by 1 operator in 2 Texas counties. The field reported 4,615 barrels of oil and 5,896 mcf of gas in the 12 months through Jul 2026.

Field dossier · 2 counties

4,615bbl oil, last 12 months+15% vs prior year
Producing leases
4
Operators
1
Counties
2
Biggest operator
Active Iron Energy, LLC

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Where the field sits

fewermore

Gaines County: 2 producing leasesAndrews County: 2 producing leasesGainesYoakumMartinMidlandWinklerEctorDawsonTerryGainesAndrews
2 countiesClick a county to open it
Gas, last 12 months
5,896 mcf
RRC field no.
66958500
RRC district
8A
Data through
Jul 2026

Production

Five years of output in Old Colony (L. Clearfork)

Monthly totals across the leases the Railroad Commission assigns to this field.

Oil output in the Old Colony (L. Clearfork) field rose 15% over the last 12 months

4,615 bbl in the 12 months through Jul 2026, against 4,027 bbl in the 12 months before. Peak month: Feb 2026, 698 bbl.

Oil output in the Old Colony (L. Clearfork) field rose 15% over the last 12 months4,615 bbl in the 12 months through Jul 2026, against 4,027 bbl in the 12 months before. Peak month: Feb 2026, 698 bbl.Oil, bbl per month0250500750Peak 698 (Feb 26)33720222023202420252026
Oil output in the Old Colony (L. Clearfork) field rose 15% over the last 12 months4,615 bbl in the 12 months through Jul 2026, against 4,027 bbl in the 12 months before. Peak month: Feb 2026, 698 bbl.Oil, bbl per month0250500750Peak 698 (Feb 26)337'22'23'24'25'26

Gas output in the Old Colony (L. Clearfork) field fell 23% over the last 12 months

5,896 mcf in the 12 months through Jul 2026, against 7,706 mcf in the 12 months before. Peak month: Jul 2023, 864 mcf.

Gas output in the Old Colony (L. Clearfork) field fell 23% over the last 12 months5,896 mcf in the 12 months through Jul 2026, against 7,706 mcf in the 12 months before. Peak month: Jul 2023, 864 mcf.Gas, mcf per month02505007501,000Peak 864 (Jul 23)020222023202420252026
Gas output in the Old Colony (L. Clearfork) field fell 23% over the last 12 months5,896 mcf in the 12 months through Jul 2026, against 7,706 mcf in the 12 months before. Peak month: Jul 2023, 864 mcf.Gas, mcf per month02505007501,000Peak 864 (Jul 23)0'22'23'24'25'26

SourceTexas Railroad Commission, Production Data Query, summed over the leases assigned to field 66958500. Reported through Jul 2026, file dated Sep 18, 2026. The newest month is often revised as operators file late.

Leases

Leases in the Old Colony (L. Clearfork) field

Ranked by last-12-month output. Filter by operator, and open any lease for its month-by-month ledger.

Showing 4 of 4.

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

In the Old Colony (L. Clearfork) field

Who operates here, and where

Each operator and county links to its own page, so you can see the rest of what they run.

Operators in this field, by oil

Active Iron Energy leads

  1. Active Iron Energy, LLC4 producing leases here4,615bbl

Counties in this field, by oil

Gaines County leads

  1. Gaines County2 producing leases3,304bbl
  2. Andrews County2 producing leases1,311bbl

Recent drilling permits in the Old Colony (L. Clearfork) field

No recent drilling permits in this field are in our data yet.

For owners

What a field is, and why it matters to your check

RRC field number
66958500
RRC district
8A
Leases on record
4
Producing leases
4

The Railroad Commission assigns each lease to a field: the underground pool or formation it produces from. A field can cross county lines and hold leases from many operators. Leases in the same field often move together, because they draw on the same rock.

That makes the field a fair yardstick. If your lease fell sharply and the rest of Old Colony (L. Clearfork) did not, that is worth a question to your operator. If the whole field fell, the cause is probably geology or price, not your check.

The field trend above sums every lease in the field, so it is a good comparison for the lease page of any lease listed here.