Skip to content
Royalty Clerk

Texas oil lease

Producing

LAMZA UNIT B

Lamza Unit B is an oil lease in Karnes County, Texas, operated by Repsol Oil & Gas USA, LLC in the Eagleville (Eagle Ford-2) field.

1 well

5,305bbl oil, last 12 months−40% vs prior year
RRC lease
02-12507

Is your check right?

Check my statement

Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
9,502 mcf
Oil in Jul 2026
583 bbl

Production by month

Oil output fell 40% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 40% over the last 12 monthsMonthly oil production and gas for LAMZA UNIT B, Aug 2023 to Jul 2026. Oil output fell 40% over the last 12 months. 5,305 bbl in the 12 months through Jul 2026, against 8,915 bbl in the 12 months before.Last 12 months: 5,305 bblbbl per monthmcf per month001,0001,0002,0002,0003,0003,0004,0004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 40% over the last 12 monthsMonthly oil production and gas for LAMZA UNIT B, Aug 2023 to Jul 2026. Oil output fell 40% over the last 12 months. 5,305 bbl in the 12 months through Jul 2026, against 8,915 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0001,0002,0002,0003,0003,0004,0004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Aug 2024 the lease's gas goes to other uses instead of lease fuel

Flaring peaked at 88.0% of the gas in Sep 2023.

  • Processing plant (3)
  • Lease fuel (1)
  • Other (5 to 8)
  • Flared (4)
Since Aug 2024 the lease's gas goes to other uses instead of lease fuelShare of LAMZA UNIT B gas by disposition code each month, Aug 2023 to Jul 2026. Since Aug 2024 the lease's gas goes to other uses instead of lease fuel. Flaring peaked at 88.0% of the gas in Sep 2023.Share of the lease’s gas by disposition code, per month0%50%100%Aug 2024: fuel to otherFlared 88.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Aug 2024 the lease's gas goes to other uses instead of lease fuelShare of LAMZA UNIT B gas by disposition code each month, Aug 2023 to Jul 2026. Since Aug 2024 the lease's gas goes to other uses instead of lease fuel. Flaring peaked at 88.0% of the gas in Sep 2023.Share of gas by disposition code0%50%100%Aug 24: fuel to otherFlared 88.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Other (5 to 8)

    73% · 6,928 mcf

  • Flared (4)

    21% · 1,969 mcf

  • Lease fuel (1)

    4.9% · 470 mcf

  • Processing plant (3)

    1.4% · 135 mcf

20.7% of the gas flared in the last 12 months. 15 months above 3%.

Who has run this lease

The operator changed 2 times, most recently in Aug 2023

Operators of this lease over timeInpex Eagle Ford, LLC, Aug 2022 to Dec 2022; Repsol Eagle Ford North, LLC, Jan 2023 to Jul 2023; Repsol Oil & Gas USA, LLC, Aug 2023 to Jul 20262023202420252026Changed Jan 2023Changed Aug 2023Inpex Eagle Ford, LLCAug 2022 to Dec 2022Repsol Eagle Ford North, LLCJan 2023 to Jul 2023Repsol Oil & Gas USA, LLCAug 2023 to now
Operators of this lease over timeInpex Eagle Ford, LLC, Aug 2022 to Dec 2022; Repsol Eagle Ford North, LLC, Jan 2023 to Jul 2023; Repsol Oil & Gas USA, LLC, Aug 2023 to Jul 20262023202420252026Changed Jan 2023Changed Aug 2023Inpex Eagle Ford, LLCAug 2022 to Dec 2022Repsol Eagle Ford North, LLCJan 2023 to Jul 2023Repsol Oil & Gas USA, LLCAug 2023 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on LAMZA UNIT B
API numberWell no.Status
42-255-374002HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Repsol Oil & Gas Usa, LLCOilGathers100Feb 1, 2025–
Enterprise Products Operating LLCCasinghead gasBuys100Aug 13, 2022–
Plains Pipeline L.p.Casinghead gasGathers100Feb 1, 2025–
Enterprise Products Operating LLCCasinghead gasGathers100Aug 13, 2022Feb 1, 2025
Endeavor Crude, LLCOilGathers80Aug 13, 2022Feb 1, 2025
Enterprise Crude Oil LLCOilGathers20Aug 13, 2022Feb 1, 2025

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

915.67 acres on the newest permit

An allocation well is on this lease

Permits for Lamza Unit B
API numberWell no.Acreson the permit
42-255-374002H915.67

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

Estimate your royalty

36 months, newest first

Ledger for LAMZA UNIT B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Repsol Oil5835603557976$80.46$2.89
Jun 2026Repsol Oil1502311895658$84.81$3.15
May 2026Repsol Oil1,2171,28398046$102.13$2.94
Apr 2026Repsol Oil1603947013$100.32$2.77
Mar 2026Repsol Oil6239802$91.38$3.04
Feb 2026Repsol Oil27871704$64.51$3.62
Jan 2026Repsol Oil8222117036$60.04$7.72
Dec 2025Repsol Oil4112676014$57.97$4.26
Nov 2025Repsol Oil6146356580111$60.06$3.79
Oct 2025Repsol Oil6556711,69902$60.89$3.19
Sep 2025Repsol Oil7987993,76001,600$63.96$2.97
Aug 2025Repsol Oil9169412,47807$64.86$2.91
Jul 2025Repsol Oil61752256800$68.39$3.20
Jun 2025Repsol Oil63064741700$68.17$3.02
May 2025Repsol Oil646622485011$62.17$3.12
Apr 2025Repsol Oil50254831301$63.54$3.42
Mar 2025Repsol Oil69972441201$68.24$4.12
Feb 2025Repsol Oil64161238603$71.53$4.19
Jan 2025Repsol Oil69464442801$75.74$4.13
Dec 2024Repsol Oil66590240904$70.12$3.01
Nov 2024Repsol Oil1,5031,33838502$69.95$2.12
Oct 2024Repsol Oil74469326301$71.99$2.20
Sep 2024Repsol Oil93294530400$70.24$2.28
Aug 2024Repsol Oil64260226600$76.68$1.99
Jul 2024Repsol Oil61965167000$81.80$2.07
Jun 2024Repsol Oil1,2291,28174408$79.77$2.54
May 2024Repsol Oil1,2571,22283104$80.02$2.12
Apr 2024Repsol Oil1,3801,40289001$85.35$1.60
Mar 2024Repsol Oil2,1452,10310202$81.28$1.49
Feb 2024Repsol Oil6826592800$77.25$1.72
Jan 2024Repsol Oil9881,0289309$74.15$3.18
Dec 2023Repsol Oil2,6442,7321,559535794$71.90$2.52
Nov 2023Repsol Oil2,4272,294834221419$77.69$2.71
Oct 2023Repsol Oil2,4832,6203,3091,4131,616$85.64$2.98
Sep 2023Repsol Oil3,3973,2812,02801,784$89.43$2.64
Aug 2023Repsol Oil62157566802$81.39$2.58

Flared above 3%

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

Eagleville (Eagle Ford-2) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km