Skip to content
Royalty Clerk

Texas oil lease

Producing

ARMSTRONG-ARNIM UNIT

Armstrong-Arnim Unit is an oil lease in Fayette County, Texas, operated by Mca Petroleum Corporation in the Elm Grove (Arnim -A-) field.

1 well

1,177bbl oil, last 12 months−3% vs prior year
RRC lease
03-23151

Is your check right?

Check my statement

Where it sits

This county

Fayette CountyFayetteCaldwellBastropWashingtonBurlesonLeeAustinColoradoFayette County
Fayette County
Oil in Jul 2026
98 bbl
Reporting since
Jan 2020

Production by month

Oil output fell 3% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 3% over the last 12 monthsMonthly oil production for ARMSTRONG-ARNIM UNIT, Aug 2023 to Jul 2026. Oil output fell 3% over the last 12 months. 1,177 bbl in the 12 months through Jul 2026, against 1,217 bbl in the 12 months before.Last 12 months: 1,177 bblbbl per month0255075100125Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 3% over the last 12 monthsMonthly oil production for ARMSTRONG-ARNIM UNIT, Aug 2023 to Jul 2026. Oil output fell 3% over the last 12 months. 1,177 bbl in the 12 months through Jul 2026, against 1,217 bbl in the 12 months before.Last 12 monthsbbl per month0255075100125Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

1 well on this lease

Wells on ARMSTRONG-ARNIM UNIT
API numberWell no.Status
42-149-330171Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
First River Energy, LLCOilGathers50Oct 1, 2016
Gulfmark Energy, Inc.OilGathers50Apr 1, 2013

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

20 acres on the newest permit

A pooling certificate was filed

Permits for Armstrong-Arnim Unit
API numberWell no.Acreson the permit
42-149-33017120

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Estimate your royalty

36 months, newest first

Ledger for ARMSTRONG-ARNIM UNIT
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 202698154$80.46$2.89
Jun 202693158$84.81$3.15
May 20261040$102.13$2.94
Apr 202688160$100.32$2.77
Mar 20261010$91.38$3.04
Feb 202698163$64.51$3.62
Jan 202698161$60.04$7.72
Dec 2025970$57.97$4.26
Nov 202594157$60.06$3.79
Oct 20251010$60.89$3.19
Sep 2025100152$63.96$2.97
Aug 2025105155$64.86$2.91
Jul 20251060$68.39$3.20
Jun 2025101152$68.17$3.02
May 2025104160$62.17$3.12
Apr 20251060$63.54$3.42
Mar 2025108155$68.24$4.12
Feb 2025102149$71.53$4.19
Jan 20251050$75.74$4.13
Dec 2024101158$70.12$3.01
Nov 202493160$69.95$2.12
Oct 20241000$71.99$2.20
Sep 202494153$70.24$2.28
Aug 202497157$76.68$1.99
Jul 20241010$81.80$2.07
Jun 2024100141$79.77$2.54
May 2024106159$80.02$2.12
Apr 20241010$85.35$1.60
Mar 2024107164$81.28$1.49
Feb 2024950$77.25$1.72
Jan 2024100160$74.15$3.18
Dec 2023102161$71.90$2.52
Nov 20231030$77.69$2.71
Oct 202389152$85.64$2.98
Sep 2023950$89.43$2.64
Aug 202397155$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

How to check your stub against this lease

Do your checks match this lease?

Nearby

Elm Grove (Arnim -A-) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km