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Texas oil lease

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WIATREK UNIT

Wiatrek Unit is an oil lease in Karnes County, Texas, operated by Repsol Oil & Gas USA, LLC in the Sugarkane (Austin Chalk) field.

10 wells

82,034bbl oil, last 12 months−17% vs prior year
RRC lease
02-11691

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
723,054 mcf
Oil in Jul 2026
5,161 bbl

Checks stopped on this lease?

  • Buyer

    Buyer changed: ENTERPRISE PRODUCTS OPERATING LLC replaced IRONWOOD MIDST ENERGY PTNRS LLC as the buyer of this lease's gas from oil wells on Feb 1, 2025.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

See why checks stop on this lease

Production by month

Oil output fell 17% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 17% over the last 12 monthsMonthly oil production and gas for WIATREK UNIT, Aug 2023 to Jul 2026. Oil output fell 17% over the last 12 months. 82,034 bbl in the 12 months through Jul 2026, against 98,756 bbl in the 12 months before.Last 12 months: 82,034 bblbbl per monthmcf per month005,00050k10k100k15k150k20k200kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 17% over the last 12 monthsMonthly oil production and gas for WIATREK UNIT, Aug 2023 to Jul 2026. Oil output fell 17% over the last 12 months. 82,034 bbl in the 12 months through Jul 2026, against 98,756 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005,00050k10k100k15k150k20k200kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

76% of the gas went to a processing plant in the last 12 months

Flaring peaked at 4.7% of the gas in Aug 2023.

  • Processing plant (3)
  • Lease fuel (1)
  • Other (5 to 8)
  • Flared (4)
76% of the gas went to a processing plant in the last 12 monthsShare of WIATREK UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 76% of the gas went to a processing plant in the last 12 months. Flaring peaked at 4.7% of the gas in Aug 2023.Share of the lease’s gas by disposition code, per month0%50%100%Flared 4.7%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
76% of the gas went to a processing plant in the last 12 monthsShare of WIATREK UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 76% of the gas went to a processing plant in the last 12 months. Flaring peaked at 4.7% of the gas in Aug 2023.Share of gas by disposition code0%50%100%Flared 4.7%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    76% · 545,936 mcf

  • Lease fuel (1)

    24% · 171,172 mcf

  • Other (5 to 8)

    0.5% · 3,308 mcf

  • Flared (4)

    0.4% · 2,638 mcf

0.4% of the gas flared in the last 12 months. One month 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.

10 wells on this lease

Wells on WIATREK UNIT
API numberWell no.Status
42-255-35783101HActive
42-255-35784102HActive
42-255-36114103HActive
42-255-36115104HActive
42-255-36493105HActive
42-255-36502106HActive
42-255-37110107HActive
42-255-37146108HActive
42-255-37296109HActive
42-255-37311110HActive

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 gasGathers100Jun 23, 2018Feb 1, 2025
Ironwood Midst Energy Ptnrs LLCCasinghead gasBuys100Jun 23, 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).

363.88 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 363.88 and 367.34 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    10 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

Check your decimal on this lease
Permits for Wiatrek Unit
API numberWell no.Acreson the permit
42-255-37311110H363.88
42-255-37296109H363.88
42-255-37146108H363.88
42-255-37110107H363.88
42-255-36502106H363.88
42-255-36493105H363.88
42-255-36115104H363.88
42-255-36114103H363.88
42-255-35783101H367.34
42-255-35784102H367.34

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

Estimate your royalty

36 months, newest first

Ledger for WIATREK UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Repsol Oil5,1615,21746,80635,85333$80.46$2.89
Jun 2026Repsol Oil5,1295,48746,32234,41715$84.81$3.15
May 2026Repsol Oil6,2355,92352,59138,417168$102.13$2.94
Apr 2026Repsol Oil6,4216,64856,19743,513183$100.32$2.77
Mar 2026Repsol Oil6,7786,45958,20447,030163$91.38$3.04
Feb 2026Repsol Oil5,5615,74853,36542,739195$64.51$3.62
Jan 2026Repsol Oil5,7595,79874,92439,059898$60.04$7.72
Dec 2025Repsol Oil7,7817,83263,97850,093268$57.97$4.26
Nov 2025Repsol Oil7,8238,19964,68650,061202$60.06$3.79
Oct 2025Repsol Oil8,4097,92069,49955,263215$60.89$3.19
Sep 2025Repsol Oil8,6818,65669,42755,948157$63.96$2.97
Aug 2025Repsol Oil8,2968,16467,05553,543141$64.86$2.91
Jul 2025Repsol Oil6,6106,63265,93953,137148$68.39$3.20
Jun 2025Repsol Oil7,2747,39660,63746,955225$68.17$3.02
May 2025Repsol Oil9,3269,22265,91854,675261$62.17$3.12
Apr 2025Repsol Oil8,5778,58967,91959,085181$63.54$3.42
Mar 2025Repsol Oil8,2118,25663,20852,776367$68.24$4.12
Feb 2025Repsol Oil8,1038,16762,67847,078421$71.53$4.19
Jan 2025Repsol Oil7,1916,99367,98249,824540$75.74$4.13
Dec 2024Repsol Oil9,0079,01079,68466,972290$70.12$3.01
Nov 2024Repsol Oil8,0798,03176,20569,186181$69.95$2.12
Oct 2024Repsol Oil9,3569,41764,29646,825420$71.99$2.20
Sep 2024Repsol Oil8,7318,67775,28948,399982$70.24$2.28
Aug 2024Repsol Oil8,2918,28885,82963,305181$76.68$1.99
Jul 2024Repsol Oil8,9848,93294,52071,024257$81.80$2.07
Jun 2024Repsol Oil7,2187,314104,76179,63986$79.77$2.54
May 2024Repsol Oil9,4469,361100,82177,70885$80.02$2.12
Apr 2024Repsol Oil9,4939,765102,59679,94886$85.35$1.60
Mar 2024Repsol Oil9,6659,509101,25778,262188$81.28$1.49
Feb 2024Repsol Oil11,26411,201101,74480,980108$77.25$1.72
Jan 2024Repsol Oil10,72210,80393,04271,886228$74.15$3.18
Dec 2023Repsol Oil10,46710,494111,99188,73968$71.90$2.52
Nov 2023Repsol Oil10,39211,208114,20390,18060$77.69$2.71
Oct 2023Repsol Oil12,55412,554116,56793,0470$85.64$2.98
Sep 2023Repsol Oil12,75112,751123,18399,8960$89.43$2.64
Aug 2023Repsol Oil13,30213,302135,937104,5786,340$81.39$2.58

Flared above 3%

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

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Nearby

Sugarkane (Austin Chalk) field

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