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Texas oil lease

Producing

DUNES

Dunes is an oil lease in Winkler County, Texas, operated by Formentera Operations LLC in the Keystone (Wolfcamp) field.

2 wells

18,383bbl oil, last 12 months−7% vs prior year
Operator
Formentera Operations LLC
County
Winkler County
Field
Keystone (Wolfcamp)
RRC lease
08-49194

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Where it sits

This county

Winkler CountyWinklerAndrewsWardLovingEctorWinkler County
Winkler County
Gas, last 12 months
9,393 mcf
Oil in Jul 2026
2,032 bbl

Production by month

Oil output fell 7% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 7% over the last 12 monthsMonthly oil production and gas for DUNES, Aug 2023 to Jul 2026. Oil output fell 7% over the last 12 months. 18,383 bbl in the 12 months through Jul 2026, against 19,750 bbl in the 12 months before.Last 12 months: 18,383 bblbbl per monthmcf per month001,0001,0002,0002,0003,0003,0004,0004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 7% over the last 12 monthsMonthly oil production and gas for DUNES, Aug 2023 to Jul 2026. Oil output fell 7% over the last 12 months. 18,383 bbl in the 12 months through Jul 2026, against 19,750 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0001,0002,0002,0003,0003,0004,0004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

91% of the gas went to a transmission line in the last 12 months

Flaring peaked at 44.8% of the gas in May 2026.

  • Transmission line (2)
  • Flared (4)
91% of the gas went to a transmission line in the last 12 monthsShare of DUNES gas by disposition code each month, Aug 2023 to Jul 2026. 91% of the gas went to a transmission line in the last 12 months. Flaring peaked at 44.8% of the gas in May 2026.Share of the lease’s gas by disposition code, per month0%50%100%Flared 44.8%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
91% of the gas went to a transmission line in the last 12 monthsShare of DUNES gas by disposition code each month, Aug 2023 to Jul 2026. 91% of the gas went to a transmission line in the last 12 months. Flaring peaked at 44.8% of the gas in May 2026.Share of gas by disposition code0%50%100%Flared 44.8%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    91% · 9,990 mcf

  • Flared (4)

    9.5% · 1,046 mcf

9.5% of the gas flared in the last 12 months. 3 months above 3%.

Who has run this lease

The operator changed 2 times, most recently in May 2024

Operators of this lease over timeBoyd & McWilliams Operating, LLC, Jan 2020 to Jul 2021; Saddleback Exploration, LLC, Aug 2021 to Apr 2024; Formentera Operations LLC, May 2024 to Jul 20262020202120222023202420252026Changed Aug 2021Changed May 2024Boyd & McWilliams Operating,…Jan 2020 to Jul 2021Saddleback Exploration, LLCAug 2021 to Apr 2024Formentera Operations LLCMay 2024 to now
Operators of this lease over timeBoyd & McWilliams Operating, LLC, Jan 2020 to Jul 2021; Saddleback Exploration, LLC, Aug 2021 to Apr 2024; Formentera Operations LLC, May 2024 to Jul 20262020202120222023202420252026Changed Aug 2021Changed May 2024Boyd & McWilliams Operating, LLCJan 2020 to Jul 2021Saddleback Exploration, LLCAug 2021 to Apr 2024Formentera Operations LLCMay 2024 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on DUNES
API numberWell no.Status
42-495-33804191HActive
42-495-3405661HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gibson Energy Marketing, LLCOilGathers99May 7, 2024–
Dorado Oil CompanyOilGathers1Dec 1, 2022–
Energy Transfer CompanyCasinghead gasBuys100May 7, 2024–
Energy Transfer CompanyCasinghead gasGathers100May 7, 2024–
Dcp Operating Company, LPCasinghead gasGathers10Dec 21, 2022May 7, 2024
Energy Transfer CompanyCasinghead gasGathers90Dec 21, 2022May 7, 2024
Dcp Operating Company, LPCasinghead gasBuys10Dec 21, 2022May 7, 2024
Energy Transfer CompanyCasinghead gasBuys90Dec 21, 2022May 7, 2024
Eastex Crude Company, LLCOilGathers99Dec 21, 2022May 7, 2024
Energy Transfer CompanyCasinghead gasGathers100Sep 16, 2017Dec 21, 2022

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

Who buys my oilOil price check

3,200 acres on the newest permit

Permits for Dunes
API numberWell no.Acreson the permit
42-495-3405661H3,200
42-495-33804191H3,200

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for DUNES
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Formentera Operations2,0321,546000$80.46$2.89
Jun 2026Formentera Operations2,0672,616000$84.81$3.15
May 2026Formentera Operations2,1502,114500276224$102.13$2.94
Apr 2026Formentera Operations1,9101,7913,5622,867695$100.32$2.77
Mar 2026Formentera Operations1,2861,0641,5091,382127$91.38$3.04
Feb 2026Formentera Operations1,1751,2585545540$64.51$3.62
Jan 2026Formentera Operations1,2561,4667267260$60.04$7.72
Dec 2025Formentera Operations1,4771,4399929920$57.97$4.26
Nov 2025Formentera Operations1,0019122282280$60.06$3.79
Oct 2025Formentera Operations1,2731,2601,0331,0330$60.89$3.19
Sep 2025Formentera Operations1,3261,2432892890$63.96$2.97
Aug 2025Formentera Operations1,4301,341000$64.86$2.91
Jul 2025Formentera Operations1,7031,9178418410$68.39$3.20
Jun 2025Formentera Operations1,4161,3272752750$68.17$3.02
May 2025Formentera Operations1,7701,8375275270$62.17$3.12
Apr 2025Formentera Operations1,3801,4133583580$63.54$3.42
Mar 2025Formentera Operations1,3771,842000$68.24$4.12
Feb 2025Formentera Operations1,4811,110000$71.53$4.19
Jan 2025Formentera Operations1,7981,8731,8401,8400$75.74$4.13
Dec 2024Formentera Operations2,2152,237000$70.12$3.01
Nov 2024Formentera Operations1,7952,0341321320$69.95$2.12
Oct 2024Formentera Operations1,1047385045040$71.99$2.20
Sep 2024Formentera Operations1,8501,839000$70.24$2.28
Aug 2024Formentera Operations1,8611,8276996990$76.68$1.99
Jul 2024Formentera Operations2,0302,03318180$81.80$2.07
Jun 2024Formentera Operations2,1652,4041,8351,8350$79.77$2.54
May 2024Formentera Operations1,9031,6792,6382,6380$80.02$2.12
Apr 2024Saddleback Exploration,9679781,6721,6720$85.35$1.60
Mar 2024Saddleback Exploration,1,7541,6401931930$81.28$1.49
Feb 2024Saddleback Exploration,2,1172,16967670$77.25$1.72
Jan 2024Saddleback Exploration,2,3462,3631,7051,7050$74.15$3.18
Dec 2023Saddleback Exploration,2,0282,0111,6201,6200$71.90$2.52
Nov 2023Saddleback Exploration,1,1051,1337467460$77.69$2.71
Oct 2023Saddleback Exploration,2,2232,2467197190$85.64$2.98
Sep 2023Saddleback Exploration,1,6881,6652,4212,4210$89.43$2.64
Aug 2023Saddleback Exploration,2,5342,3321,0131,0130$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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Nearby

This lease belongs to

OperatorFormentera Operations LLCFieldKeystone (Wolfcamp)CountyWinkler County

Formentera Operations LLC in Winkler County

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Keystone (Wolfcamp) field

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