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Texas oil lease

Producing

MZYK NORTH UNIT

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

7 wells

78,658bbl oil, last 12 months−14% vs prior year
RRC lease
02-11611

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
149,482 mcf
Oil in Jul 2026
5,765 bbl

Production by month

Oil output fell 14% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 14% over the last 12 monthsMonthly oil production and gas for MZYK NORTH UNIT, Aug 2023 to Jul 2026. Oil output fell 14% over the last 12 months. 78,658 bbl in the 12 months through Jul 2026, against 91,520 bbl in the 12 months before.Last 12 months: 78,658 bblbbl per monthmcf per month002,50010k5,00020k7,50030k10k40kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 14% over the last 12 monthsMonthly oil production and gas for MZYK NORTH UNIT, Aug 2023 to Jul 2026. Oil output fell 14% over the last 12 months. 78,658 bbl in the 12 months through Jul 2026, against 91,520 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,50010k5,00020k7,50030k10k40kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Nov 2025 the lease's gas goes to lease fuel instead of a processing plant

Flaring peaked at 44.4% of the gas in Jun 2025.

  • Processing plant (3)
  • Lease fuel (1)
  • Other (5 to 8)
  • Flared (4)
Since Nov 2025 the lease's gas goes to lease fuel instead of a processing plantShare of MZYK NORTH UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Nov 2025 the lease's gas goes to lease fuel instead of a processing plant. Flaring peaked at 44.4% of the gas in Jun 2025.Share of the lease’s gas by disposition code, per month0%50%100%Nov 2025: plant to fuelFlared 44.4%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Nov 2025 the lease's gas goes to lease fuel instead of a processing plantShare of MZYK NORTH UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Nov 2025 the lease's gas goes to lease fuel instead of a processing plant. Flaring peaked at 44.4% of the gas in Jun 2025.Share of gas by disposition code0%50%100%Nov 25: plant to fuelFlared 44.4%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Lease fuel (1)

    47% · 70,855 mcf

  • Processing plant (3)

    27% · 40,491 mcf

  • Flared (4)

    20% · 30,303 mcf

  • Other (5 to 8)

    5.2% · 7,833 mcf

20.3% of the gas flared in the last 12 months. 29 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, Jan 2020 to Dec 2022; Repsol Eagle Ford North, LLC, Jan 2023 to Jul 2023; Repsol Oil & Gas USA, LLC, Aug 2023 to Jul 20262020202120222023202420252026Changed Jan 2023Changed Aug 2023Inpex Eagle Ford, LLCJan 2020 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, Jan 2020 to Dec 2022; Repsol Eagle Ford North, LLC, Jan 2023 to Jul 2023; Repsol Oil & Gas USA, LLC, Aug 2023 to Jul 20262020202120222023202420252026Changed Jan 2023Changed Aug 2023Inpex Eagle Ford, LLCJan 2020 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.

7 wells on this lease

Wells on MZYK NORTH UNIT
API numberWell no.Status
42-255-353081HActive
42-255-355712HActive
42-255-356333HActive
42-255-359144HActive
42-255-359195HActive
42-255-359246HActive
42-255-359257HActive

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 gasBuys100Feb 1, 2025–
Plains Pipeline L.p.Casinghead gasGathers100Feb 1, 2025–
Ironwood Midst Energy Ptnrs LLCCasinghead gasGathers100Mar 1, 2018Feb 1, 2025
Ironwood Midst Energy Ptnrs LLCCasinghead gasBuys100Mar 1, 2018Feb 1, 2025
Bp Products North America Inc.OilGathers25Jan 31, 2023Feb 1, 2025
Enterprise Crude Oil LLCOilGathers25Jan 31, 2023Feb 1, 2025
Phillips 66 CompanyOilGathers25Jan 31, 2023Feb 1, 2025
Shell Trading (Us) CompanyOilGathers25Jan 31, 2023Feb 1, 2025

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

717.56 acres on the newest permit

7 wells are listed on this lease

Permits for Mzyk North Unit
API numberWell no.Acreson the permit
42-255-359195H717.56
42-255-359257H717.56
42-255-359246H717.56
42-255-359144H717.56
42-255-356333H717.56
42-255-355712H717.56
42-255-353081H717.05

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

Estimate your royalty

36 months, newest first

Ledger for MZYK NORTH UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Repsol Oil5,7655,5977,81501,397$80.46$2.89
Jun 2026Repsol Oil5,7325,7218,8371,5641,882$84.81$3.15
May 2026Repsol Oil6,4946,42711,1073,0562,825$102.13$2.94
Apr 2026Repsol Oil6,2536,4999,9272,3182,039$100.32$2.77
Mar 2026Repsol Oil6,6486,8619,7997491,032$91.38$3.04
Feb 2026Repsol Oil6,1036,3279,4241,622850$64.51$3.62
Jan 2026Repsol Oil6,1985,43620,79404,974$60.04$7.72
Dec 2025Repsol Oil6,3606,3439,5291,1062,169$57.97$4.26
Nov 2025Repsol Oil6,6226,89810,7363,8431,432$60.06$3.79
Oct 2025Repsol Oil7,5347,61411,5374,8582,392$60.89$3.19
Sep 2025Repsol Oil7,4067,21511,2722,7733,600$63.96$2.97
Aug 2025Repsol Oil7,5437,82328,70518,6025,711$64.86$2.91
Jul 2025Repsol Oil8,7048,49227,10417,1655,498$68.39$3.20
Jun 2025Repsol Oil9,2029,58217,2466,3977,656$68.17$3.02
May 2025Repsol Oil9,0628,97813,6835,4105,505$62.17$3.12
Apr 2025Repsol Oil6,7246,75211,9626,8001,182$63.54$3.42
Mar 2025Repsol Oil9,66510,38015,96110,074997$68.24$4.12
Feb 2025Repsol Oil6,0525,10013,5328,0011,220$71.53$4.19
Jan 2025Repsol Oil6,7127,1443,62700$75.74$4.13
Dec 2024Repsol Oil6,6436,2383,62300$70.12$3.01
Nov 2024Repsol Oil6,9877,0724,86600$69.95$2.12
Oct 2024Repsol Oil7,6687,48318,75114,457622$71.99$2.20
Sep 2024Repsol Oil6,6797,22520,96215,2091,269$70.24$2.28
Aug 2024Repsol Oil7,4227,32921,61615,714372$76.68$1.99
Jul 2024Repsol Oil7,9648,6967,1592,665480$81.80$2.07
Jun 2024Repsol Oil6,8655,90011,5180452$79.77$2.54
May 2024Repsol Oil4,9285,0093,94401,567$80.02$2.12
Apr 2024Repsol Oil1,0629601,0264957$85.35$1.60
Mar 2024Repsol Oil6,5097,1299,6154,6840$81.28$1.49
Feb 2024Repsol Oil6,1225,4327,4602,75366$77.25$1.72
Jan 2024Repsol Oil6,4986,5237,7732,676551$74.15$3.18
Dec 2023Repsol Oil7,1357,39710,0874,647344$71.90$2.52
Nov 2023Repsol Oil5,9796,2357,6032,68465$77.69$2.71
Oct 2023Repsol Oil5,6925,8275,1560294$85.64$2.98
Sep 2023Repsol Oil5,6675,6009,9064,837321$89.43$2.64
Aug 2023Repsol Oil7,2858,5519,3807,863674$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.

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Eagleville (Eagle Ford-2) field

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