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Texas oil lease

Producing

HARMONSON 11

Harmonson 11 is an oil lease in Martin County, Texas, operated by Oxyrock Operating, LLC in the Spraberry (Trend Area) field.

2 wells

1,954bbl oil, last 12 months−29% vs prior year
Operator
Oxyrock Operating, LLC
County
Martin County
Field
Spraberry (Trend Area)
RRC lease
08-43937

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Where it sits

This county

Martin CountyMartinGainesAndrewsHowardDawsonBordenMartin County
Martin County
Gas, last 12 months
1,050 mcf
Oil in Jul 2026
6 bbl

Production by month

Oil output fell 29% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 29% over the last 12 monthsMonthly oil production and gas for HARMONSON 11, Aug 2023 to Jul 2026. Oil output fell 29% over the last 12 months. 1,954 bbl in the 12 months through Jul 2026, against 2,746 bbl in the 12 months before.Last 12 months: 1,954 bblbbl per monthmcf per month001002002004003006004008005001,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 29% over the last 12 monthsMonthly oil production and gas for HARMONSON 11, Aug 2023 to Jul 2026. Oil output fell 29% over the last 12 months. 1,954 bbl in the 12 months through Jul 2026, against 2,746 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001002002004003006004008005001,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

57% of the gas went to a transmission line in the last 12 months

Flaring peaked at 100.0% of the gas in Aug 2025.

  • Processing plant (3)
  • Transmission line (2)
  • Flared (4)
57% of the gas went to a transmission line in the last 12 monthsShare of HARMONSON 11 gas by disposition code each month, Aug 2023 to Jul 2026. 57% of the gas went to a transmission line in the last 12 months. Flaring peaked at 100.0% of the gas in Aug 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 100.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
57% of the gas went to a transmission line in the last 12 monthsShare of HARMONSON 11 gas by disposition code each month, Aug 2023 to Jul 2026. 57% of the gas went to a transmission line in the last 12 months. Flaring peaked at 100.0% of the gas in Aug 2025.Share of gas by disposition code0%50%100%Flared 100.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    57% · 1,805 mcf

  • Processing plant (3)

    32% · 1,000 mcf

  • Flared (4)

    11% · 360 mcf

11.4% of the gas flared in the last 12 months. 5 months above 3%.

Who has run this lease

The operator changed once, most recently in May 2026

Operators of this lease over timeDiamondback E&P LLC, Jan 2020 to Apr 2026; Oxyrock Operating, LLC, May 2026 to Jul 20262020202120222023202420252026Changed May 2026Diamondback E&P LLCJan 2020 to Apr 2026Oxyrock Operating, LLCMay 2026 to now
Operators of this lease over timeDiamondback E&P LLC, Jan 2020 to Apr 2026; Oxyrock Operating, LLC, May 2026 to Jul 20262020202120222023202420252026Changed May 2026Diamondback E&P LLCJan 2020 to Apr 2026Oxyrock Operating, LLCMay 2026 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on HARMONSON 11
API numberWell no.Status
42-317-380591Active
42-317-385862Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Transoil Marketing, LLCOilGathers100Aug 1, 2025–
Et Gathering & Processing LLCCasinghead gasBuys100Mar 1, 2026–
Energy Transfer CompanyCasinghead gasGathers100Aug 1, 2024–
Etc Gas Processing, LLCCasinghead gasBuys100Aug 1, 2024Mar 1, 2026
Lpc Crude Iii, LLCOilGathers100Dec 1, 2021Aug 1, 2025
Wtg Gas Processing, L.p.Casinghead gasGathers100Dec 1, 2021Aug 1, 2024
Wtg Gas Processing, L.p.Casinghead gasBuys100Dec 1, 2021Aug 1, 2024
Wtg Gas Processing, L.p.Casinghead gasGathers100Apr 23, 2013Dec 1, 2021
Wtg Gas Processing, L.p.Casinghead gasBuys100Apr 23, 2013Dec 1, 2021

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

Who buys my oilOil price check

160 acres on the newest permit

Permits for Harmonson 11
API numberWell no.Acreson the permit
42-317-385862160
42-317-380591160

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for HARMONSON 11
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Oxyrock Operating,60000$80.46$2.89
Jun 2026Oxyrock Operating,110183000$84.81$3.15
May 2026Oxyrock Operating,15601,0001,0000$102.13$2.94
Apr 2026Diamondback E&P102186000$100.32$2.77
Mar 2026Diamondback E&P127170000$91.38$3.04
Feb 2026Diamondback E&P1120000$64.51$3.62
Jan 2026Diamondback E&P240000$60.04$7.72
Dec 2025Diamondback E&P94187000$57.97$4.26
Nov 2025Diamondback E&P328189000$60.06$3.79
Oct 2025Diamondback E&P242337000$60.89$3.19
Sep 2025Diamondback E&P234370000$63.96$2.97
Aug 2025Diamondback E&P41934050050$64.86$2.91
Jul 2025Diamondback E&P340308000$68.39$3.20
Jun 2025Diamondback E&P157185000$68.17$3.02
May 2025Diamondback E&P190181000$62.17$3.12
Apr 2025Diamondback E&P13917416160$63.54$3.42
Mar 2025Diamondback E&P25917437334$68.24$4.12
Feb 2025Diamondback E&P133178000$71.53$4.19
Jan 2025Diamondback E&P187167000$75.74$4.13
Dec 2024Diamondback E&P203170000$70.12$3.01
Nov 2024Diamondback E&P191174990$69.95$2.12
Oct 2024Diamondback E&P24135533330$71.99$2.20
Sep 2024Diamondback E&P33217317754123$70.24$2.28
Aug 2024Diamondback E&P37436025875183$76.68$1.99
Jul 2024Diamondback E&P00000$81.80$2.07
Jun 2024Diamondback E&P771751531530$79.77$2.54
May 2024Diamondback E&P1741743833830$80.02$2.12
Apr 2024Diamondback E&P1931684564560$85.35$1.60
Mar 2024Diamondback E&P2461825935930$81.28$1.49
Feb 2024Diamondback E&P2823265755750$77.25$1.72
Jan 2024Diamondback E&P25434945639462$74.15$3.18
Dec 2023Diamondback E&P2903576536530$71.90$2.52
Nov 2023Diamondback E&P2881795355350$77.69$2.71
Oct 2023Diamondback E&P2913336566560$85.64$2.98
Sep 2023Diamondback E&P2921816666660$89.43$2.64
Aug 2023Diamondback E&P2863363363360$81.39$2.58

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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This lease belongs to

OperatorOxyrock Operating, LLCFieldSpraberry (Trend Area)CountyMartin County

Oxyrock Operating, LLC in Martin County

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Spraberry (Trend Area) field

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