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Texas oil lease

Producing

MCKASKLE-STEWART UNIT

McKaskle-Stewart Unit is an oil lease in Midland County, Texas, operated by Diamondback E&P LLC in the Bryant -G- (Devonian) field.

2 wells

787bbl oil, last 12 months−28% vs prior year
Operator
Diamondback E&P LLC
County
Midland County
Field
Bryant -G- (Devonian)
RRC lease
08-36343

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Where it sits

This county

Midland CountyMidlandMartinAndrewsGlasscockHowardEctorMidland County
Midland County
Gas, last 12 months
15,635 mcf
Oil in Jul 2026
167 bbl

Checks stopped on this lease?

  • Operator

    Operator changed: Diamondback E&P LLC took over from Endeavor Energy Resources L.P. in Jan 2025.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output fell 28% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 28% over the last 12 monthsMonthly oil production and gas for MCKASKLE-STEWART UNIT, Aug 2023 to Jul 2026. Oil output fell 28% over the last 12 months. 787 bbl in the 12 months through Jul 2026, against 1,096 bbl in the 12 months before.Last 12 months: 787 bblbbl per monthmcf per month00501,0001002,0001503,0002004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 28% over the last 12 monthsMonthly oil production and gas for MCKASKLE-STEWART UNIT, Aug 2023 to Jul 2026. Oil output fell 28% over the last 12 months. 787 bbl in the 12 months through Jul 2026, against 1,096 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00501,0001002,0001503,0002004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to flaring in the last 12 months

Flaring peaked at 100.0% of the gas in Apr 2024.

  • Processing plant (3)
  • Flared (4)
All of the gas went to flaring in the last 12 monthsShare of MCKASKLE-STEWART UNIT gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to flaring in the last 12 months. Flaring peaked at 100.0% of the gas in Apr 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 100.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to flaring in the last 12 monthsShare of MCKASKLE-STEWART UNIT gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to flaring in the last 12 months. Flaring peaked at 100.0% of the gas in Apr 2024.Share of gas by disposition code0%50%100%Flared 100.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

100.0% of the gas flared in the last 12 months. 27 months above 3%.

Who has run this lease

The operator changed once, most recently in Jan 2025

Operators of this lease over timeEndeavor Energy Resources L.P., Jan 2020 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 20262020202120222023202420252026Changed Jan 2025Endeavor Energy Resources L.P.Jan 2020 to Dec 2024Diamondback E&P LLCJan 2025 to now
Operators of this lease over timeEndeavor Energy Resources L.P., Jan 2020 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 20262020202120222023202420252026Changed Jan 2025Endeavor Energy Resources L.P.Jan 2020 to Dec 2024Diamondback E&P LLCJan 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on MCKASKLE-STEWART UNIT
API numberWell no.Status
42-329-341691Active
42-329-342352AShut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers100Sep 1, 2026–
Dcp Operating Company, LPCasinghead gasBuys100Aug 1, 2025–
Dcp Operating Company, LPCasinghead gasGathers100Aug 1, 2025–
Midcon Gathering LLCOilGathers100Aug 1, 2025Sep 1, 2026
Oasis Transp & Marketing Corp.OilGathers100Oct 1, 2019Aug 1, 2025
Dcp Operating Company, LPCasinghead gasGathers100Apr 1, 2017Oct 1, 2019
Dcp Operating Company, LPCasinghead gasBuys100Apr 1, 2017Oct 1, 2019
Cp Energy, L.l.c.OilGathers100Apr 1, 2018Oct 1, 2019

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

Who buys my oilOil price check

480 acres on the newest permit

  • Good to know

    A pooling certificate (P-12) was filed

    Your tract may share its production with neighbors in a pooled unit. The unit acres the operator uses to divide production can differ from the acreage on one permit.

  • Good to know

    The wells on this lease state different acreage

    The permits state between 320 and 480 acres. Use the acres from your own division order for the well you are paid on.

Check your decimal on this lease
Permits for McKaskle-Stewart Unit
API numberWell no.Acreson the permit
42-329-342352A480
42-329-341691320

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 MCKASKLE-STEWART UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P1671871,61901,619$80.46$2.89
Jun 2026Diamondback E&P2201,19301,193$84.81$3.15
May 2026Diamondback E&P00000$102.13$2.94
Apr 2026Diamondback E&P4409450945$100.32$2.77
Mar 2026Diamondback E&P611821,40801,408$91.38$3.04
Feb 2026Diamondback E&P10701,61201,612$64.51$3.62
Jan 2026Diamondback E&P851921,73101,731$60.04$7.72
Dec 2025Diamondback E&P10002,42202,422$57.97$4.26
Nov 2025Diamondback E&P971902,07602,076$60.06$3.79
Oct 2025Diamondback E&P1001430143$60.89$3.19
Sep 2025Diamondback E&P3501,14601,146$63.96$2.97
Aug 2025Diamondback E&P5901,34001,340$64.86$2.91
Jul 2025Diamondback E&P1611832,88402,884$68.39$3.20
Jun 2025Diamondback E&P1481882,76902,769$68.17$3.02
May 2025Diamondback E&P1381822,70102,701$62.17$3.12
Apr 2025Diamondback E&P1711912,64702,647$63.54$3.42
Mar 2025Diamondback E&P7831,48801,488$68.24$4.12
Feb 2025Diamondback E&P0087087$71.53$4.19
Jan 2025Diamondback E&P011760176$75.74$4.13
Dec 2024Endeavor Energy001920192$70.12$3.01
Nov 2024Endeavor Energy401450145$69.95$2.12
Oct 2024Endeavor Energy1611843,00703,007$71.99$2.20
Sep 2024Endeavor Energy981763,20303,203$70.24$2.28
Aug 2024Endeavor Energy13703,47103,471$76.68$1.99
Jul 2024Endeavor Energy1551873,51603,516$81.80$2.07
Jun 2024Endeavor Energy1491843,08903,089$79.77$2.54
May 2024Endeavor Energy1511833,27403,274$80.02$2.12
Apr 2024Endeavor Energy15218895095$85.35$1.60
Mar 2024Endeavor Energy11502662660$81.28$1.49
Feb 2024Endeavor Energy102472470$77.25$1.72
Jan 2024Endeavor Energy0076760$74.15$3.18
Dec 2023Endeavor Energy1401,2661,2660$71.90$2.52
Nov 2023Endeavor Energy481851,5761,5760$77.69$2.71
Oct 2023Endeavor Energy5741,6261,6260$85.64$2.98
Sep 2023Endeavor Energy3901,0591,0590$89.43$2.64
Aug 2023Endeavor Energy3461,5711,5710$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 LLCFieldBryant -G- (Devonian)CountyMidland County

Diamondback E&P LLC in Midland County

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Bryant -G- (Devonian) field

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