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Texas oil lease

Producing

ARMSTRONG HORIZONTAL UNIT

Armstrong Horizontal Unit is an oil lease in McMullen County, Texas, operated by EOG Resources, Inc. in the Eagleville (Eagle Ford-1) field.

3 wells

156,756bbl oil, last 12 months−56% vs prior year
Operator
EOG Resources, Inc.
County
McMullen County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-18812

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Where it sits

This county

McMullen CountyMcMullenLa SalleAtascosaKarnesFrioLive OakMcMullen County
McMullen County
Gas, last 12 months
65,460 mcf
Oil in Jul 2026
7,957 bbl

Production by month

Oil output fell 56% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 56% over the last 12 monthsMonthly oil production and gas for ARMSTRONG HORIZONTAL UNIT, Aug 2023 to Jul 2026. Oil output fell 56% over the last 12 months. 156,756 bbl in the 12 months through Jul 2026, against 359,562 bbl in the 12 months before.Last 12 months: 156,756 bblbbl per monthmcf per month0020k10k40k20k60k30k80k40kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 56% over the last 12 monthsMonthly oil production and gas for ARMSTRONG HORIZONTAL UNIT, Aug 2023 to Jul 2026. Oil output fell 56% over the last 12 months. 156,756 bbl in the 12 months through Jul 2026, against 359,562 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0020k10k40k20k60k30k80k40kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Jun 2024 the lease's gas goes to a processing plant instead of lease fuel

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Jun 2024 the lease's gas goes to a processing plant instead of lease fuelShare of ARMSTRONG HORIZONTAL UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Jun 2024 the lease's gas goes to a processing plant instead of lease fuel.Share of the lease’s gas by disposition code, per month0%50%100%Jun 2024: fuel to plantOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jun 2024 the lease's gas goes to a processing plant instead of lease fuelShare of ARMSTRONG HORIZONTAL UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Jun 2024 the lease's gas goes to a processing plant instead of lease fuel.Share of gas by disposition code0%50%100%Jun 24: fuel to plantJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    93% · 61,142 mcf

  • Lease fuel (1)

    5.0% · 3,264 mcf

  • Flared (4)

    1.6% · 1,054 mcf

1.6% of the gas flared in the last 12 months. No month above 3%.

3 wells on this lease

Wells on ARMSTRONG HORIZONTAL UNIT
API numberWell no.Status
42-311-374422HActive
42-311-374433HActive
42-311-374444HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Eog Resources Marketing LLCOilGathers100Oct 1, 2015
Eog Resources, Inc.Casinghead gasBuys100Oct 1, 2015
Eog Resources, Inc.Casinghead gasGathers100Oct 1, 2015

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

Who buys my oilOil price check

623.86 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 623.86 and 4,860.8 acres. Use the acres from your own division order for the well you are paid on.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Armstrong Horizontal Unit
API numberWell no.Acreson the permit
42-311-374422H623.86
42-311-374433H623.86
42-311-374444H623.86
42-013-353221H4,860.80

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

Unit decimal checker

What EOG Resources, Inc. told investors it received

EOG Resources, Inc. is linked to EOG Resources, Inc. (EOG).
Realized prices reported by EOG Resources, Inc.
QuarterOil$ per bblFiling
Q2 2026$98.15SEC filing
Q1 2026$72.47SEC filing
Q3 2025$65.95SEC filing
Q2 2025$64.82SEC filing
Q1 2025$72.87SEC filing
Q3 2024$76.92SEC filing

SourceEOG Resources, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for ARMSTRONG HORIZONTAL UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20267,9578,2195,5105,18766$80.46$2.89
Jun 20267,9647,7637,2126,95153$84.81$3.15
May 202612,16812,2125,5875,16484$102.13$2.94
Apr 202612,29112,5716,7306,26189$100.32$2.77
Mar 202612,18812,0924,8954,44589$91.38$3.04
Feb 202612,69312,6736,8586,39390$64.51$3.62
Jan 202614,55414,4045,0504,578103$60.04$7.72
Dec 202514,46014,6465,8115,461101$57.97$4.26
Nov 202516,95116,9425,2984,964120$60.06$3.79
Oct 202517,52317,4295,4455,144107$60.89$3.19
Sep 202511,77511,7353,1962,98365$63.96$2.97
Aug 202516,23216,2703,8683,61187$64.86$2.91
Jul 202514,84214,8173,3233,03888$68.39$3.20
Jun 202516,40816,7495,2744,938134$68.17$3.02
May 202520,06419,8537,4647,070141$62.17$3.12
Apr 202520,63120,5217,3296,796135$63.54$3.42
Mar 202522,16822,1146,8086,430110$68.24$4.12
Feb 202522,47022,5156,5795,987117$71.53$4.19
Jan 202524,04224,0908,3237,758124$75.74$4.13
Dec 202428,97129,04011,35810,543143$70.12$3.01
Nov 202431,30931,28710,1729,593157$69.95$2.12
Oct 202439,35539,43613,90913,258208$71.99$2.20
Sep 202446,15945,99818,46717,756297$70.24$2.28
Aug 202473,14373,04827,19026,145460$76.68$1.99
Jul 2024066000$81.80$2.07
Jun 20242215675392$79.77$2.54
May 202451276820$80.02$2.12
Apr 202494283183375413$85.35$1.60
Mar 202475971548342912$81.28$1.49
Feb 202458275388669510$77.25$1.72
Jan 20249457721,5231,36713$74.15$3.18
Dec 20237379381,24770210$71.90$2.52
Nov 20231,0151,1451,9621,95012$77.69$2.71
Oct 20231,01890786684711$85.64$2.98
Sep 20231,1281,1921,2041,19212$89.43$2.64
Aug 20231,0651,1291,5671,55512$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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Nearby

This lease belongs to

OperatorEOG Resources, Inc.FieldEagleville (Eagle Ford-1)CountyMcMullen County

EOG Resources, Inc. in McMullen County

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Eagleville (Eagle Ford-1) field

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