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Texas oil lease

Producing

MUELLER B

Mueller B is an oil lease in Karnes County, Texas, operated by BPX Operating Company in the Sugarkane (Austin Chalk) field.

3 wells

16,219bbl oil, last 12 months−36% vs prior year
Operator
BPX Operating Company
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-11412

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
121,050 mcf
Oil in Jul 2026
1,058 bbl

Production by month

Oil output fell 36% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 36% over the last 12 monthsMonthly oil production and gas for MUELLER B, Aug 2023 to Jul 2026. Oil output fell 36% over the last 12 months. 16,219 bbl in the 12 months through Jul 2026, against 25,332 bbl in the 12 months before.Last 12 months: 16,219 bblbbl per monthmcf per month001,0005,0002,00010k3,00015k4,00020kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 36% over the last 12 monthsMonthly oil production and gas for MUELLER B, Aug 2023 to Jul 2026. Oil output fell 36% over the last 12 months. 16,219 bbl in the 12 months through Jul 2026, against 25,332 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0005,0002,00010k3,00015k4,00020kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

  • Processing plant (3)
  • Lease fuel (1)
Since Jul 2025 the lease's gas goes to a processing plant instead of lease fuelShare of MUELLER B gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2025 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%Jul 2025: fuel to plantOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jul 2025 the lease's gas goes to a processing plant instead of lease fuelShare of MUELLER B gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2025 the lease's gas goes to a processing plant instead of lease fuel.Share of gas by disposition code0%50%100%Jul 25: fuel to plantJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    80% · 96,287 mcf

  • Lease fuel (1)

    20% · 24,763 mcf

Who has run this lease

The operator changed once, most recently in Jul 2025

Operators of this lease over timeDevon Energy Production Co, L.P., Jan 2020 to Jun 2025; BPX Operating Company, Jul 2025 to Jul 20262020202120222023202420252026Changed Jul 2025Devon Energy Production Co, L…Jan 2020 to Jun 2025BPX Operating CompanyJul 2025 to now
Operators of this lease over timeDevon Energy Production Co, L.P., Jan 2020 to Jun 2025; BPX Operating Company, Jul 2025 to Jul 20262020202120222023202420252026Changed Jul 2025Devon Energy Production Co, L.P.Jan 2020 to Jun 2025BPX Operating CompanyJul 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

3 wells on this lease

Wells on MUELLER B
API numberWell no.Status
42-255-353023HActive
42-255-353032HActive
42-255-353041HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Harvest Marketing & Trading, LLCOilGathers20Jul 1, 2025–
Ngl Crude Assets and Mktg, LLCOilGathers20Jan 1, 2026–
Phillips 66 CompanyOilGathers20Jul 1, 2025–
Shell Trading (Us) CompanyOilGathers20Jul 1, 2025–
Gulfmark Energy, Inc.OilGathers10Jan 1, 2026–
Ptt Premier Trading and Tran LLCOilGathers10Jul 1, 2025–
Bp Energy Co.Casinghead gasBuys100Jul 1, 2025–
Bpx Eagleford Jv Holdings LLCCasinghead gasGathers100Jan 1, 2026–
Bpx (Eagle Ford) Gathering LLCCasinghead gasGathers100Jan 1, 2020Jan 1, 2026
Gulfmark Energy, Inc.OilGathers20Jul 1, 2025Jan 1, 2026
Ngl Crude Assets and Mktg, LLCOilGathers10Jul 1, 2025Jan 1, 2026
Devon Gas Services, L.p.Casinghead gasBuys100May 23, 2017Jul 1, 2025
Devon Gas Services, L.p.OilGathers20Jan 1, 2021Jul 1, 2025
Enterprise Crude Oil LLCOilGathers20Jan 1, 2021Jul 1, 2025

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

Who buys my oilOil price check

404.60 acres on the newest permit

Permits for Mueller B
API numberWell no.Acreson the permit
42-255-353023H404.60
42-255-353032H404.60
42-255-353041H404.60

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

Unit decimal checker

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36 months, newest first

Ledger for MUELLER B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026BPX Operating1,0581,10310,4708,6750$80.46$2.89
Jun 2026BPX Operating1,2441,4918,2196,1090$84.81$3.15
May 2026BPX Operating1,4571,28810,1657,8560$102.13$2.94
Apr 2026BPX Operating1,8771,83510,9178,8840$100.32$2.77
Mar 2026BPX Operating1,3061,30611,2939,2250$91.38$3.04
Feb 2026BPX Operating9339478,1796,3350$64.51$3.62
Jan 2026BPX Operating1,1331,1229,8287,4900$60.04$7.72
Dec 2025BPX Operating7757627,9135,5970$57.97$4.26
Nov 2025BPX Operating2,2392,22512,49510,2940$60.06$3.79
Oct 2025BPX Operating1,3331,2579,8567,9160$60.89$3.19
Sep 2025BPX Operating1,2581,2709,7917,9580$63.96$2.97
Aug 2025BPX Operating1,6061,59111,9249,9480$64.86$2.91
Jul 2025BPX Operating9391,1289,7188,7610$68.39$3.20
Jun 2025Devon Energy1,6521,8071,97500$68.17$3.02
May 2025Devon Energy2,2992,03815,15013,0920$62.17$3.12
Apr 2025Devon Energy1,5781,60011,6629,7290$63.54$3.42
Mar 2025Devon Energy1,5091,43810,9348,9180$68.24$4.12
Feb 2025Devon Energy1,6831,81810,8198,8620$71.53$4.19
Jan 2025Devon Energy2,9142,92715,44913,1430$75.74$4.13
Dec 2024Devon Energy2,8202,58616,43413,9670$70.12$3.01
Nov 2024Devon Energy2,0692,26011,7539,3050$69.95$2.12
Oct 2024Devon Energy2,7612,57615,57512,6860$71.99$2.20
Sep 2024Devon Energy2,9212,91315,78613,6460$70.24$2.28
Aug 2024Devon Energy2,1872,30014,44812,2850$76.68$1.99
Jul 2024Devon Energy2,3642,36614,38912,2140$81.80$2.07
Jun 2024Devon Energy2,1552,14014,34512,1840$79.77$2.54
May 2024Devon Energy2,0962,02013,49811,3210$80.02$2.12
Apr 2024Devon Energy2,7002,78416,35614,4800$85.35$1.60
Mar 2024Devon Energy2,4162,41013,89211,7750$81.28$1.49
Feb 2024Devon Energy3,1063,11516,28414,1870$77.25$1.72
Jan 2024Devon Energy2,1962,08014,12711,8150$74.15$3.18
Dec 2023Devon Energy2,2902,48815,70913,3890$71.90$2.52
Nov 2023Devon Energy2,8012,63116,32014,2540$77.69$2.71
Oct 2023Devon Energy3,0482,93916,66014,5480$85.64$2.98
Sep 2023Devon Energy3,0803,15218,40616,4470$89.43$2.64
Aug 2023Devon Energy3,0533,13719,40617,4250$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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This lease belongs to

OperatorBPX Operating CompanyFieldSugarkane (Austin Chalk)CountyKarnes County

BPX Operating Company in Karnes County

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