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Texas oil lease

Producing

CUMBERLAND WEST B

Cumberland West B is an oil lease in Midland County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

4 wells

63,500bbl oil, last 12 months−21% vs prior year
Operator
Diamondback E&P LLC
County
Midland County
Field
Spraberry (Trend Area)
RRC lease
08-55323

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Where it sits

This county

Midland CountyMidlandMartinAndrewsGlasscockHowardEctorMidland County
Midland County
Gas, last 12 months
1,040,961 mcf
Oil in Jul 2026
4,951 bbl

Checks stopped on this lease?

  • Buyer

    Buyer changed: ONEOK MIDLAND MIDSTREAM, LLC replaced CORONADO MIDSTREAM LLC as the buyer of this lease's gas from oil wells on Apr 1, 2026.

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 21% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 21% over the last 12 monthsMonthly oil production and gas for CUMBERLAND WEST B, Aug 2023 to Jul 2026. Oil output fell 21% over the last 12 months. 63,500 bbl in the 12 months through Jul 2026, against 80,167 bbl in the 12 months before.Last 12 months: 63,500 bblbbl per monthmcf per month002,50020k5,00040k7,50060k10k80k12.5k100kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 21% over the last 12 monthsMonthly oil production and gas for CUMBERLAND WEST B, Aug 2023 to Jul 2026. Oil output fell 21% over the last 12 months. 63,500 bbl in the 12 months through Jul 2026, against 80,167 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,50020k5,00040k7,50060k10k80k12.5k100kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Over 99% of the gas went to a transmission line in the last 12 months

Flaring peaked at 3.2% of the gas in Feb 2025.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Over 99% of the gas went to a transmission line in the last 12 monthsShare of CUMBERLAND WEST B gas by disposition code each month, Aug 2023 to Jul 2026. Over 99% of the gas went to a transmission line in the last 12 months. Flaring peaked at 3.2% of the gas in Feb 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 3.2%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Over 99% of the gas went to a transmission line in the last 12 monthsShare of CUMBERLAND WEST B gas by disposition code each month, Aug 2023 to Jul 2026. Over 99% of the gas went to a transmission line in the last 12 months. Flaring peaked at 3.2% of the gas in Feb 2025.Share of gas by disposition code0%50%100%Flared 3.2%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    100% · 1,037,167 mcf

  • Lease fuel (1)

    0.3% · 3,568 mcf

  • Flared (4)

    0.0% · 226 mcf

4 wells on this lease

Wells on CUMBERLAND WEST B
API numberWell no.Status
42-329-436043402MSActive
42-329-436053402LSActive
42-329-436093402WAActive
42-329-436103402WBActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers100Aug 1, 2025–
Oneok Midland Midstream, LLCCasinghead gasBuys100Apr 1, 2026–
Enlink Permian, LLCCasinghead gasGathers100Apr 1, 2026–
Enlink Midstream Services, LLCCasinghead gasGathers100Mar 22, 2020Apr 1, 2026
Coronado Midstream LLCCasinghead gasBuys100Mar 22, 2020Apr 1, 2026
Diamondback E&P LLCOilGathers50Mar 22, 2020Aug 1, 2025
Oasis Transp & Marketing Corp.OilGathers50Mar 22, 2020Aug 1, 2025

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

Who buys my oilOil price check

655.14 acres on the newest permit

  • Worth asking

    An allocation well is on this lease

    A well drilled across several tracts shares its production by an allocation formula, so the decimal is not always your acres over the unit acres. Ask the operator for the allocation formula and the tract factor for your land.

  • Good to know

    The wells on this lease state different acreage

    The permits state between 600.26 and 655.14 acres. Use the acres from your own division order for the well you are paid on.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Cumberland West B
API numberWell no.Acreson the permit
42-329-436043402MS600.26
42-329-436053402LS600.26
42-329-436093402WA600.26
42-329-436103402WB655.14

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

Unit decimal checker

What Diamondback Energy, Inc. told investors it received

Diamondback E&P LLC is linked to Diamondback Energy, Inc. (FANG).
Realized prices reported by Diamondback Energy, Inc.
QuarterOil$ per bblFiling
Q2 2026$96.82SEC filing
Q1 2026$73.47SEC filing
Q4 2025$58.00SEC filing
Q3 2025$64.60SEC filing
Q2 2025$63.23SEC filing
Q1 2025$70.95SEC filing

SourceDiamondback Energy, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for CUMBERLAND WEST B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20264,9514,93884,51084,1150$80.46$2.89
Jun 20264,7204,72391,92791,4636$84.81$3.15
May 20265,2455,22994,47293,9896$102.13$2.94
Apr 20265,4925,47790,17489,6950$100.32$2.77
Mar 20263,4843,49881,54381,0990$91.38$3.04
Feb 20264,6644,70682,46682,0340$64.51$3.62
Jan 20265,4235,38597,17596,8090$60.04$7.72
Dec 20256,0276,00191,41491,1840$57.97$4.26
Nov 20255,9826,03688,58488,4890$60.06$3.79
Oct 20255,7605,76082,49982,3070$60.89$3.19
Sep 20255,4625,45774,61274,6120$63.96$2.97
Aug 20256,2906,31481,58581,371214$64.86$2.91
Jul 20255,9365,91076,76976,7690$68.39$3.20
Jun 20256,6186,62565,72765,7150$68.17$3.02
May 20257,4407,51277,51877,3030$62.17$3.12
Apr 20255,5075,42568,77168,463128$63.54$3.42
Mar 20256,5726,59868,58467,492861$68.24$4.12
Feb 20256,0606,06067,46464,9582,176$71.53$4.19
Jan 20257,1897,17377,71177,3180$75.74$4.13
Dec 20247,5427,53972,93772,048519$70.12$3.01
Nov 20246,9896,98662,87162,324215$69.95$2.12
Oct 20246,6126,63457,98057,6620$71.99$2.20
Sep 20246,5126,51253,85853,508131$70.24$2.28
Aug 20247,1907,20059,68758,5081,007$76.68$1.99
Jul 20247,8397,80566,79066,475128$81.80$2.07
Jun 20248,0137,99172,99172,302499$79.77$2.54
May 20248,3918,42770,88670,340358$80.02$2.12
Apr 20247,7877,76463,87363,399304$85.35$1.60
Mar 20247,9377,93254,64954,5000$81.28$1.49
Feb 20247,7437,75857,88457,7190$77.25$1.72
Jan 20249,3789,37263,79863,6230$74.15$3.18
Dec 20238,9449,16459,03758,8720$71.90$2.52
Nov 20239,1398,98556,35656,2010$77.69$2.71
Oct 202310,07510,07861,64761,254203$85.64$2.98
Sep 20238,9749,01053,91853,7800$89.43$2.64
Aug 202310,16710,15756,32756,1250$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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This lease belongs to

OperatorDiamondback E&P LLCFieldSpraberry (Trend Area)CountyMidland County

Diamondback E&P LLC in Midland County

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Spraberry (Trend Area) field

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