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Texas oil lease

Producing

MINOTAUR 38-66 UNIT 1

Minotaur 38-66 Unit 1 is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

8 wells

193,914bbl oil, last 12 months−14% vs prior year
RRC lease
08-56841

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Where it sits

This county

Martin CountyMartinGainesAndrewsHowardDawsonBordenMartin County
Martin County
Gas, last 12 months
400,318 mcf
Oil in Jul 2026
15,639 bbl

Checks stopped on this lease?

  • Operator

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

  • Buyer

    Buyer changed: ONEOK MIDLAND MIDSTREAM, LLC replaced ENLINK GAS MARKETING, LP 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.

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Production by month

Oil output fell 14% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 14% over the last 12 monthsMonthly oil production and gas for MINOTAUR 38-66 UNIT 1, Aug 2023 to Jul 2026. Oil output fell 14% over the last 12 months. 193,914 bbl in the 12 months through Jul 2026, against 225,902 bbl in the 12 months before.Last 12 months: 193,914 bblbbl per monthmcf per month0010k25k20k50k30k75k40k100k50k125kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 14% over the last 12 monthsMonthly oil production and gas for MINOTAUR 38-66 UNIT 1, Aug 2023 to Jul 2026. Oil output fell 14% over the last 12 months. 193,914 bbl in the 12 months through Jul 2026, against 225,902 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0010k25k20k50k30k75k40k100k50k125kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant

Flaring peaked at 4.4% of the gas in Aug 2025.

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plantShare of MINOTAUR 38-66 UNIT 1 gas by disposition code each month, Aug 2023 to Jul 2026. Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 4.4% of the gas in Aug 2025.Share of the lease’s gas by disposition code, per month0%50%100%Nov 2024: plant to lineFlared 4.4%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plantShare of MINOTAUR 38-66 UNIT 1 gas by disposition code each month, Aug 2023 to Jul 2026. Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 4.4% of the gas in Aug 2025.Share of gas by disposition code0%50%100%Nov 24: plant to lineFlared 4.4%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    92% · 369,076 mcf

  • Lease fuel (1)

    6.9% · 27,547 mcf

  • Flared (4)

    0.9% · 3,695 mcf

0.9% of the gas flared in the last 12 months. 3 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 2022 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 202620222023202420252026Changed Jan 2025Endeavor Energy Resources L.P.Jan 2022 to Dec 2024Diamondback E&P LLCJan 2025 to now
Operators of this lease over timeEndeavor Energy Resources L.P., Jan 2022 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 202620222023202420252026Changed Jan 2025Endeavor Energy Resources L.P.Jan 2022 to Dec 2024Diamondback E&P LLCJan 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

8 wells on this lease

Wells on MINOTAUR 38-66 UNIT 1
API numberWell no.Status
42-317-43415211Active
42-317-43416112Active
42-317-43417221Active
42-317-43418222Active
42-317-43419131Active
42-317-43420232Active
42-317-43421241Active
42-317-43422142Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Medallion Operating Company, LLCOilGathers100Jan 7, 2022–
Oneok Midland Midstream, LLCCasinghead gasBuys100Apr 1, 2026–
Enlink Permian, LLCCasinghead gasGathers100Jan 7, 2022–
Enlink Gas Marketing, LPCasinghead gasBuys100Jan 7, 2022Apr 1, 2026

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

644.09 acres on the newest permit

  • Good to know

    8 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

Check your decimal on this lease
Permits for Minotaur 38-66 Unit 1
API numberWell no.Acreson the permit
42-317-43415211644.09
42-317-43416112644.09
42-317-43417221644.09
42-317-43418222644.09
42-317-43419131644.09
42-317-43420232644.09
42-317-43421241644.09
42-317-43422142644.09

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

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 MINOTAUR 38-66 UNIT 1
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P15,63915,78639,03336,1424$80.46$2.89
Jun 2026Diamondback E&P13,79413,60237,97035,36776$84.81$3.15
May 2026Diamondback E&P17,67217,67841,34038,5800$102.13$2.94
Apr 2026Diamondback E&P16,70416,69135,23232,9900$100.32$2.77
Mar 2026Diamondback E&P16,53816,61231,48629,28612$91.38$3.04
Feb 2026Diamondback E&P18,76018,68231,21228,706239$64.51$3.62
Jan 2026Diamondback E&P12,48412,48823,39420,801946$60.04$7.72
Dec 2025Diamondback E&P17,32217,32333,75231,3810$57.97$4.26
Nov 2025Diamondback E&P15,60015,58139,13835,1671,045$60.06$3.79
Oct 2025Diamondback E&P14,23314,50733,60331,15950$60.89$3.19
Sep 2025Diamondback E&P19,04418,75328,51626,643195$63.96$2.97
Aug 2025Diamondback E&P16,12416,11825,64222,8541,128$64.86$2.91
Jul 2025Diamondback E&P6,7746,83226,54323,64934$68.39$3.20
Jun 2025Diamondback E&P8,1248,31940,97333,806112$68.17$3.02
May 2025Diamondback E&P18,17818,18084,14073,14624$62.17$3.12
Apr 2025Diamondback E&P19,28819,26876,70869,765794$63.54$3.42
Mar 2025Diamondback E&P19,34019,39679,22670,9781,492$68.24$4.12
Feb 2025Diamondback E&P19,78319,77575,91770,200102$71.53$4.19
Jan 2025Diamondback E&P17,39517,39569,31063,63011$75.74$4.13
Dec 2024Endeavor Energy20,56820,59486,99080,712156$70.12$3.01
Nov 2024Endeavor Energy21,91821,92888,06881,48022$69.95$2.12
Oct 2024Endeavor Energy23,89523,92287,11584,699127$71.99$2.20
Sep 2024Endeavor Energy24,39124,39485,60383,5390$70.24$2.28
Aug 2024Endeavor Energy26,24826,38486,42884,4721$76.68$1.99
Jul 2024Endeavor Energy25,79125,51887,52485,51628$81.80$2.07
Jun 2024Endeavor Energy25,86025,87482,84677,9432,949$79.77$2.54
May 2024Endeavor Energy26,20726,33587,15784,760490$80.02$2.12
Apr 2024Endeavor Energy28,52328,61288,46786,015379$85.35$1.60
Mar 2024Endeavor Energy30,82030,68588,27786,19525$81.28$1.49
Feb 2024Endeavor Energy28,57928,57081,08577,20954$77.25$1.72
Jan 2024Endeavor Energy29,28529,28881,24176,988673$74.15$3.18
Dec 2023Endeavor Energy31,57031,55589,70985,9101,258$71.90$2.52
Nov 2023Endeavor Energy33,47033,44990,97687,28342$77.69$2.71
Oct 2023Endeavor Energy33,95333,93490,52689,604922$85.64$2.98
Sep 2023Endeavor Energy34,32734,31798,09297,947145$89.43$2.64
Aug 2023Endeavor Energy37,48537,421101,789101,77811$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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