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Texas oil lease

Producing

BROOK M-1B

Brook M-1B is an oil lease in Upton County, Texas, operated by Pioneer Natural Res. USA, Inc. in the Spraberry (Trend Area) R 40 Exc field.

1 well

10,211bbl oil, last 12 months+38% vs prior year
Operator
Pioneer Natural Res. USA, Inc.
County
Upton County
Field
Spraberry (Trend Area) R 40 Exc
RRC lease
7C-19247

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Where it sits

This county

Upton CountyUptonMidlandCraneGlasscockReaganEctorUpton County
Upton County
Gas, last 12 months
111,635 mcf
Oil in Jul 2026
2,095 bbl

Production by month

Oil output rose 38% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 38% over the last 12 monthsMonthly oil production and gas for BROOK M-1B, Aug 2023 to Jul 2026. Oil output rose 38% over the last 12 months. 10,211 bbl in the 12 months through Jul 2026, against 7,423 bbl in the 12 months before.Last 12 months: 10,211 bblbbl per monthmcf per month005005,0001,00010k1,50015k2,00020k2,50025kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 38% over the last 12 monthsMonthly oil production and gas for BROOK M-1B, Aug 2023 to Jul 2026. Oil output rose 38% over the last 12 months. 10,211 bbl in the 12 months through Jul 2026, against 7,423 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005005,0001,00010k1,50015k2,00020k2,50025kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

96% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
96% of the gas went to a processing plant in the last 12 monthsShare of BROOK M-1B gas by disposition code each month, Aug 2023 to Jul 2026. 96% of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
96% of the gas went to a processing plant in the last 12 monthsShare of BROOK M-1B gas by disposition code each month, Aug 2023 to Jul 2026. 96% of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    96% · 106,806 mcf

  • Lease fuel (1)

    4.2% · 4,714 mcf

  • Flared (4)

    0.1% · 115 mcf

0.1% of the gas flared in the last 12 months. No month above 3%.

1 well on this lease

Wells on BROOK M-1B
API numberWell no.Status
42-461-401552HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Plains Marketing, L.p.OilGathers100Mar 3, 2016
Targa Pl Mid-Cont Westtex LLCCasinghead gasBuys100Mar 3, 2016
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers100Mar 3, 2016

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

Who buys my oilOil price check

1,118.70 acres on the newest permit

Permits for Brook M-1B
API numberWell no.Acreson the permit
42-461-401552H1,118.70

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for BROOK M-1B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262,0952,0912,6292,4780$80.46$2.89
Jun 202619819982975816$84.81$3.15
May 20265605612,2632,0990$102.13$2.94
Apr 20268108122,8572,6730$100.32$2.77
Mar 20261,5871,5861,7831,6750$91.38$3.04
Feb 20263673702,0501,87761$64.51$3.62
Jan 20261221431,1469920$60.04$7.72
Dec 20251,6841,71019,90318,9120$57.97$4.26
Nov 20251,7591,72317,74017,0930$60.06$3.79
Oct 202547346220,41019,7530$60.89$3.19
Sep 202543943520,51019,73210$63.96$2.97
Aug 202511711619,51518,76428$64.86$2.91
Jul 202511511621,45120,5963$68.39$3.20
Jun 202527627817,28416,59620$68.17$3.02
May 202546847018,01617,20215$62.17$3.12
Apr 202562262017,45116,76528$63.54$3.42
Mar 202570670817,74317,0860$68.24$4.12
Feb 202559659615,33914,76259$71.53$4.19
Jan 202579379218,96918,2800$75.74$4.13
Dec 202470470317,84017,1872$70.12$3.01
Nov 202470971317,66816,9600$69.95$2.12
Oct 202478979218,12117,3540$71.99$2.20
Sep 202481081217,39716,6801$70.24$2.28
Aug 202483583318,12717,3741$76.68$1.99
Jul 202486986216,64815,9590$81.80$2.07
Jun 202475075314,91214,064279$79.77$2.54
May 202476076114,66014,1685$80.02$2.12
Apr 202486486415,22314,6551$85.35$1.60
Mar 20241,0941,09915,02414,4630$81.28$1.49
Feb 20241,1361,13213,43512,9195$77.25$1.72
Jan 20241,1031,10412,01911,53810$74.15$3.18
Dec 20231,3721,37011,20110,73510$71.90$2.52
Nov 20231,1861,1816,1155,9031$77.69$2.71
Oct 20235675672,8992,7908$85.64$2.98
Sep 20235365412,3642,26413$89.43$2.64
Aug 20231,4871,4864,6424,4367$81.39$2.58

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

OperatorPioneer Natural Res. USA, Inc.FieldSpraberry (Trend Area) R 40 ExcCountyUpton County

Pioneer Natural Res. USA, Inc. in Upton County

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Spraberry (Trend Area) R 40 Exc field

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