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Texas oil lease

Producing

MCCOMBS STATE 1-12

McCombs State 1-12 is an oil lease in Pecos County, Texas, operated by Diamondback E&P LLC in the Hoefs T-K (Wolfcamp) field.

4 wells

23,504bbl oil, last 12 months−28% vs prior year
Operator
Diamondback E&P LLC
County
Pecos County
Field
Hoefs T-K (Wolfcamp)
RRC lease
08-46234

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Where it sits

This county

Pecos CountyPecosUptonCranePecos County
Pecos County
Gas, last 12 months
354,072 mcf
Oil in Jul 2026
2,434 bbl

Checks stopped on this lease?

  • Buyer

    Buyer changed: BRAZOS MIDSTREAM OPERATING, LLC replaced ENERGY TRANSFER COMPANY as the buyer of this lease's gas from oil wells on Nov 1, 2025.

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 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 MCCOMBS STATE 1-12, Aug 2023 to Jul 2026. Oil output fell 28% over the last 12 months. 23,504 bbl in the 12 months through Jul 2026, against 32,443 bbl in the 12 months before.Last 12 months: 23,504 bblbbl per monthmcf per month001,00010k2,00020k3,00030k4,00040k5,00050kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 28% over the last 12 monthsMonthly oil production and gas for MCCOMBS STATE 1-12, Aug 2023 to Jul 2026. Oil output fell 28% over the last 12 months. 23,504 bbl in the 12 months through Jul 2026, against 32,443 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,00010k2,00020k3,00030k4,00040k5,00050kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

95% of the gas went to a transmission line in the last 12 months

Flaring peaked at 32.7% of the gas in Mar 2024.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
95% of the gas went to a transmission line in the last 12 monthsShare of MCCOMBS STATE 1-12 gas by disposition code each month, Aug 2023 to Jul 2026. 95% of the gas went to a transmission line in the last 12 months. Flaring peaked at 32.7% of the gas in Mar 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 32.7%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
95% of the gas went to a transmission line in the last 12 monthsShare of MCCOMBS STATE 1-12 gas by disposition code each month, Aug 2023 to Jul 2026. 95% of the gas went to a transmission line in the last 12 months. Flaring peaked at 32.7% of the gas in Mar 2024.Share of gas by disposition code0%50%100%Flared 32.7%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    95% · 336,556 mcf

  • Lease fuel (1)

    2.9% · 10,389 mcf

  • Flared (4)

    2.0% · 7,127 mcf

2.0% of the gas flared in the last 12 months. 8 months above 3%.

4 wells on this lease

Wells on MCCOMBS STATE 1-12
API numberWell no.Status
42-371-391541HActive
42-371-393842HActive
42-371-400403BSShut-in
42-371-401115WAActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Trans Crude Marketing LLCOilGathers100Nov 1, 2025–
Brazos Midstream Operating, LLCCasinghead gasBuys100Nov 1, 2025–
Brazos Midstream Operating, LLCCasinghead gasGathers100Nov 1, 2025–
Energy Transfer CompanyCasinghead gasGathers100Dec 5, 2022Nov 1, 2025
Energy Transfer CompanyCasinghead gasBuys100Dec 5, 2022Nov 1, 2025
Eastex Crude Company, LLCOilGathers15Aug 10, 2023Nov 1, 2025
Energy Trans Crude Marketing LLCOilGathers15Aug 10, 2023Nov 1, 2025
Enterprise Crude Oil LLCOilGathers20Aug 10, 2023Nov 1, 2025
Explore Logistics LLCOilGathers15Aug 10, 2023Nov 1, 2025

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

Who buys my oilOil price check

1,295.60 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 1,287.72 and 1,295.65 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 McCombs State 1-12
API numberWell no.Acreson the permit
42-371-401115WA1,295.60
42-371-400403BS1,295.65
42-371-393842H1,295.65
42-371-391541H1,287.72

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 MCCOMBS STATE 1-12
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262,4342,07130,14125,4713,702$80.46$2.89
Jun 20262,0372,58737,61536,7380$84.81$3.15
May 20262,3432,10543,75242,6770$102.13$2.94
Apr 20263,0023,24638,36937,252178$100.32$2.77
Mar 20261,8032,15926,47623,0212,580$91.38$3.04
Feb 20261,20489419,51518,9020$64.51$3.62
Jan 20261,34883119,50318,190592$60.04$7.72
Dec 20251,6572,49423,71622,9070$57.97$4.26
Nov 20252,2141,91033,12632,1090$60.06$3.79
Oct 20251,5901,31525,23824,4970$60.89$3.19
Sep 20251,6201,81926,51225,60775$63.96$2.97
Aug 20252,2521,96330,10929,1850$64.86$2.91
Jul 20252,0812,40236,64935,6700$68.39$3.20
Jun 20252,7722,52748,07147,0420$68.17$3.02
May 20253,2443,07649,06448,0220$62.17$3.12
Apr 20252,7102,67820,75619,9410$63.54$3.42
Mar 20251,8822,2558,0747,2190$68.24$4.12
Feb 20252,1881,78715,33714,4190$71.53$4.19
Jan 20252,1972,22829,12427,344885$75.74$4.13
Dec 20242,9152,86933,39029,2543,084$70.12$3.01
Nov 20243,4753,47134,11332,567512$69.95$2.12
Oct 20243,1073,17928,13126,947109$71.99$2.20
Sep 20242,4732,29012,47610,7271,536$70.24$2.28
Aug 20243,3993,85222,29621,8980$76.68$1.99
Jul 20243,9953,91324,94524,5570$81.80$2.07
Jun 20242,6872,74220,14517,8401,967$79.77$2.54
May 20244,0234,01524,42523,7820$80.02$2.12
Apr 20241,9172,45018,00217,4240$85.35$1.60
Mar 20241,8571,47725,39716,7768,310$81.28$1.49
Feb 20241,73392016,47516,1850$77.25$1.72
Jan 20241,1411,07113,17312,8140$74.15$3.18
Dec 20231,0741,30714,73814,0400$71.90$2.52
Nov 20231,2061,30012,73511,6850$77.69$2.71
Oct 20231,23194418,30717,4600$85.64$2.98
Sep 20231,7051,86721,94621,1210$89.43$2.64
Aug 20231,2511,08421,65419,9680$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 LLCFieldHoefs T-K (Wolfcamp)CountyPecos County

Diamondback E&P LLC in Pecos County

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Hoefs T-K (Wolfcamp) field

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