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Texas oil lease

Producing

WILLIS 40B

Willis 40B is an oil lease in Midland County, Texas, operated by Oxyrock Operating, LLC in the Spraberry (Trend Area) field.

4 wells

13,217bbl oil, last 12 months−57% vs prior year
Operator
Oxyrock Operating, LLC
County
Midland County
Field
Spraberry (Trend Area)
RRC lease
08-51083

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Where it sits

This county

Midland CountyMidlandMartinAndrewsGlasscockHowardEctorMidland County
Midland County
Gas, last 12 months
22,829 mcf
Oil in Jul 2026
999 bbl

Production by month

Oil output fell 57% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 57% over the last 12 monthsMonthly oil production and gas for WILLIS 40B, Aug 2023 to Jul 2026. Oil output fell 57% over the last 12 months. 13,217 bbl in the 12 months through Jul 2026, against 30,448 bbl in the 12 months before.Last 12 months: 13,217 bblbbl per monthmcf per month002,0001,0004,0002,0006,0003,0008,0004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 57% over the last 12 monthsMonthly oil production and gas for WILLIS 40B, Aug 2023 to Jul 2026. Oil output fell 57% over the last 12 months. 13,217 bbl in the 12 months through Jul 2026, against 30,448 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,0001,0004,0002,0006,0003,0008,0004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

Flaring peaked at 3.8% of the gas in Jul 2024.

  • Processing plant (3)
  • Flared (4)
All of the gas went to a processing plant in the last 12 monthsShare of WILLIS 40B gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months. Flaring peaked at 3.8% of the gas in Jul 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 3.8%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a processing plant in the last 12 monthsShare of WILLIS 40B gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months. Flaring peaked at 3.8% of the gas in Jul 2024.Share of gas by disposition code0%50%100%Flared 3.8%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Who has run this lease

The operator changed once, most recently in Aug 2024

Operators of this lease over timeCrownquest Operating, LLC, Jan 2020 to Jul 2024; Oxyrock Operating, LLC, Aug 2024 to Jul 20262020202120222023202420252026Changed Aug 2024Crownquest Operating, LLCJan 2020 to Jul 2024Oxyrock Operating, LLCAug 2024 to now
Operators of this lease over timeCrownquest Operating, LLC, Jan 2020 to Jul 2024; Oxyrock Operating, LLC, Aug 2024 to Jul 20262020202120222023202420252026Changed Aug 2024Crownquest Operating, LLCJan 2020 to Jul 2024Oxyrock Operating, LLCAug 2024 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

4 wells on this lease

Wells on WILLIS 40B
API numberWell no.Status
42-329-419695Active
42-329-422126Active
42-329-422167Active
42-329-422208Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Shell Trading (Us) CompanyOilGathers100Oct 1, 2023–
Et Gathering & Processing LLCCasinghead gasBuys100Oct 1, 2023–
Energy Transfer CompanyCasinghead gasGathers100Oct 1, 2023–
Energy Transfer CompanyCasinghead gasGathers50Apr 1, 2022Oct 1, 2023
Pinnacle Dos Picos LLCCasinghead gasGathers50Apr 1, 2022Oct 1, 2023
Energy Transfer CompanyCasinghead gasBuys50Apr 1, 2022Oct 1, 2023
Pinnacle Dos Picos LLCCasinghead gasBuys50Apr 1, 2022Oct 1, 2023
Nustar Permian Trans and Stg,llcOilGathers50Jul 19, 2018Oct 1, 2023
Shell Trading (Us) CompanyOilGathers50Jul 19, 2018Oct 1, 2023

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

Who buys my oilOil price check

326.80 acres on the newest permit

Permits for Willis 40B
API numberWell no.Acreson the permit
42-329-422126326.80
42-329-422167326.80
42-329-422208326.80
42-329-419695326.80

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for WILLIS 40B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Oxyrock Operating,9999342,6692,6690$80.46$2.89
Jun 2026Oxyrock Operating,8288142,2182,2180$84.81$3.15
May 2026Oxyrock Operating,7897782,3162,3160$102.13$2.94
Apr 2026Oxyrock Operating,8067751,5251,5250$100.32$2.77
Mar 2026Oxyrock Operating,7461,0239449440$91.38$3.04
Feb 2026Oxyrock Operating,7415411,1331,1330$64.51$3.62
Jan 2026Oxyrock Operating,1,5801,5752,4982,4980$60.04$7.72
Dec 2025Oxyrock Operating,1,5121,4681,9461,9460$57.97$4.26
Nov 2025Oxyrock Operating,9179301,7461,7460$60.06$3.79
Oct 2025Oxyrock Operating,1,1871,2632,5072,5070$60.89$3.19
Sep 2025Oxyrock Operating,1,4321,4532,6652,6650$63.96$2.97
Aug 2025Oxyrock Operating,1,6801,6976626620$64.86$2.91
Jul 2025Oxyrock Operating,2,1412,0522,3432,3430$68.39$3.20
Jun 2025Oxyrock Operating,2,4782,5342,7012,7010$68.17$3.02
May 2025Oxyrock Operating,2,9562,9522,3772,3770$62.17$3.12
Apr 2025Oxyrock Operating,3,7183,6472,6432,6430$63.54$3.42
Mar 2025Oxyrock Operating,4,1264,2251,7721,7720$68.24$4.12
Feb 2025Oxyrock Operating,4,2004,2581,5711,5710$71.53$4.19
Jan 2025Oxyrock Operating,3,4273,3421,6491,6490$75.74$4.13
Dec 2024Oxyrock Operating,6,9136,9603,9483,9480$70.12$3.01
Nov 2024Oxyrock Operating,00000$69.95$2.12
Oct 2024Oxyrock Operating,00000$71.99$2.20
Sep 2024Oxyrock Operating,26726486860$70.24$2.28
Aug 2024Oxyrock Operating,2222301781780$76.68$1.99
Jul 2024Crownquest Operating,76577298394637$81.80$2.07
Jun 2024Crownquest Operating,7967791,2131,2130$79.77$2.54
May 2024Crownquest Operating,8629511,9621,9620$80.02$2.12
Apr 2024Crownquest Operating,1,3031,2042,6792,6790$85.35$1.60
Mar 2024Crownquest Operating,1,2051,1882,6022,6020$81.28$1.49
Feb 2024Crownquest Operating,1,1281,1542,7282,7280$77.25$1.72
Jan 2024Crownquest Operating,9189292,1012,02873$74.15$3.18
Dec 2023Crownquest Operating,1,3081,2922,8712,8710$71.90$2.52
Nov 2023Crownquest Operating,1,1741,1412,5912,5910$77.69$2.71
Oct 2023Crownquest Operating,9121,0062,3332,3330$85.64$2.98
Sep 2023Crownquest Operating,1,2511,2053,1513,1510$89.43$2.64
Aug 2023Crownquest Operating,1,2681,2832,9362,9360$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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This lease belongs to

OperatorOxyrock Operating, LLCFieldSpraberry (Trend Area)CountyMidland County

Oxyrock Operating, LLC in Midland County

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