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Texas oil lease

Producing

CUMBERLAND WEST I

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

Oil lease dossier

8,483bbl oil, last 12 months−11% vs prior year
Operator
Diamondback E&P LLC
County
Midland County
Field
Spraberry (Trend Area)
RRC lease
08-56054

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Where it sits

This county

Midland CountyMidlandMartinAndrewsGlasscockHowardEctorMidland County
Midland County
Gas, last 12 months
282,229 mcf
Oil in Jul 2026
83 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 11% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 11% over the last 12 monthsMonthly oil production and gas for CUMBERLAND WEST I, Aug 2023 to Jul 2026. Oil output fell 11% over the last 12 months. 8,483 bbl in the 12 months through Jul 2026, against 9,580 bbl in the 12 months before.Last 12 months: 8,483 bblbbl per monthmcf per month0050010k1,00020k1,50030k2,00040kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 11% over the last 12 monthsMonthly oil production and gas for CUMBERLAND WEST I, Aug 2023 to Jul 2026. Oil output fell 11% over the last 12 months. 8,483 bbl in the 12 months through Jul 2026, against 9,580 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0050010k1,00020k1,50030k2,00040kJan 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 I 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 I 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% · 281,262 mcf

  • Lease fuel (1)

    0.3% · 905 mcf

  • Flared (4)

    0.0% · 62 mcf

Wells on this lease

No wells are linked to this lease in our data

Production is still reported at lease level.

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 gasGathers100Feb 22, 2021Apr 1, 2026
Coronado Midstream LLCCasinghead gasBuys100Feb 22, 2021Apr 1, 2026
Diamondback E&P LLCOilGathers50Feb 22, 2021Aug 1, 2025
Oasis Transp & Marketing Corp.OilGathers50Feb 22, 2021Aug 1, 2025

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

Who buys my oilOil price check

441.76 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.

  • 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 I
API numberWell no.Acreson the permit
42-329-440343403WB441.76

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 I
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20268310221,12221,0230$80.46$2.89
Jun 20261,3931,39819,62819,5291$84.81$3.15
May 20261,8011,78521,01520,9081$102.13$2.94
Apr 202692592318,86618,7660$100.32$2.77
Mar 202663163120,61220,5000$91.38$3.04
Feb 202658158224,08723,9610$64.51$3.62
Jan 202643943726,77726,6760$60.04$7.72
Dec 202559459129,27129,1970$57.97$4.26
Nov 202552452926,23426,2060$60.06$3.79
Oct 202552752726,32226,2610$60.89$3.19
Sep 202549349125,56225,5620$63.96$2.97
Aug 202549249322,73322,67360$64.86$2.91
Jul 202541241020,93320,9330$68.39$3.20
Jun 202544444617,93817,9350$68.17$3.02
May 202563964823,08123,0170$62.17$3.12
Apr 202555254413,41213,35225$63.54$3.42
Mar 202572072525,14924,748316$68.24$4.12
Feb 202574874921,49720,699693$71.53$4.19
Jan 202596095725,12825,0010$75.74$4.13
Dec 202491291224,88724,584177$70.12$3.01
Nov 202493293323,32923,12680$69.95$2.12
Oct 20241,0051,01124,14824,0160$71.99$2.20
Sep 20241,1611,15924,30524,14759$70.24$2.28
Aug 20241,0951,09522,73422,285384$76.68$1.99
Jul 20241,1291,12321,80221,69942$81.80$2.07
Jun 20241,0581,05522,63322,419155$79.77$2.54
May 20241,0081,01222,09421,923112$80.02$2.12
Apr 202492292021,30321,145101$85.35$1.60
Mar 20241,0381,03823,35923,2950$81.28$1.49
Feb 20241,0281,02921,61621,5540$77.25$1.72
Jan 20241,2271,22823,17423,1100$74.15$3.18
Dec 20231,3111,34323,12223,0570$71.90$2.52
Nov 20231,3631,34320,72620,6690$77.69$2.71
Oct 20231,4701,47521,30421,16870$85.64$2.98
Sep 20231,6311,62922,19522,1380$89.43$2.64
Aug 20231,2051,20920,23820,1650$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

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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