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SOMERVELL 6666

Somervell 6666 is an oil lease in King County, Texas, operated by Burnett Oil Co., Inc. in the Legacy (Tannehill Sand) field.

6 wells

1,768bbl oil, last 12 months−36% vs prior year
Operator
Burnett Oil Co., Inc.
County
King County
Field
Legacy (Tannehill Sand)
RRC lease
8A-68668

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Where it sits

This county

King CountyKingCottleDickensMotleyKnoxFoardKing County
King County
Gas, last 12 months
50 mcf
Oil in Jul 2025
0 bbl

Checks stopped on this lease?

  • Operator

    Operator changed: Burnett Oil Co., Inc. took over from Medders Oil Company, Inc. in Jan 2025.

  • Sales

    No sales reported for the last 12 months of state data (through Jul 2026).

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

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Production by month

Oil output fell 36% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 36% over the last 12 monthsMonthly oil production and gas for SOMERVELL 6666, Aug 2022 to Jul 2025. Oil output fell 36% over the last 12 months. 1,768 bbl in the 12 months through Jul 2025, against 2,778 bbl in the 12 months before.Last 12 months: 1,768 bblbbl per monthmcf per month00100220043006400850010Oct 22Jan 23AprJulOctJan 24AprJulOctJan 25AprJul
Oil output fell 36% over the last 12 monthsMonthly oil production and gas for SOMERVELL 6666, Aug 2022 to Jul 2025. Oil output fell 36% over the last 12 months. 1,768 bbl in the 12 months through Jul 2025, against 2,778 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00100220043006400850010Jan 23JulJan 24JulJan 25Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to lease fuel in the last 12 months

All of the gas went to lease fuel in the last 12 monthsShare of SOMERVELL 6666 gas by disposition code each month, Aug 2022 to Jul 2025. All of the gas went to lease fuel in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 22Jan 23AprJulOctJan 24AprJulOctJan 25AprJul
All of the gas went to lease fuel in the last 12 monthsShare of SOMERVELL 6666 gas by disposition code each month, Aug 2022 to Jul 2025. All of the gas went to lease fuel in the last 12 months.Share of gas by disposition code0%50%100%Jan 23JulJan 24JulJan 25Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Who has run this lease

The operator changed once, most recently in Jan 2025

Operators of this lease over timeMedders Oil Company, Inc., Jan 2020 to Dec 2024; Burnett Oil Co., Inc., Jan 2025 to Jul 2025202020212022202320242025Changed Jan 2025Medders Oil Company, Inc.Jan 2020 to Dec 2024Burnett Oil Co., Inc.Jan 2025 to now
Operators of this lease over timeMedders Oil Company, Inc., Jan 2020 to Dec 2024; Burnett Oil Co., Inc., Jan 2025 to Jul 2025202020212022202320242025Changed Jan 2025Medders Oil Company, Inc.Jan 2020 to Dec 2024Burnett Oil Co., Inc.Jan 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

6 wells on this lease

Wells on SOMERVELL 6666
API numberWell no.Status
42-269-325231Active
42-269-325323Active
42-269-325645Active
42-269-325777Active
42-269-3265310Active
42-269-330491WSActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Trans Crude Marketing LLCOilGathers100Jan 1, 2025–
Energy Trans Crude Marketing LLCOilGathers90Jul 1, 2021Jan 1, 2025
Sunoco Ptnrs. Mktg.&terminals LPOilGathers10Jul 1, 2021Jan 1, 2025
Sunoco Ptnrs. Mktg.&terminals LPOilGathers100Mar 1, 2021Jul 1, 2021
Oasis Transp & Marketing Corp.OilGathers50Feb 2, 2021Mar 1, 2021
Sunoco Ptnrs. Mktg.&terminals LPOilGathers50Feb 2, 2021Mar 1, 2021
Oasis Transp & Marketing Corp.OilGathers100Nov 1, 2020Feb 2, 2021

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

Who buys my oilOil price check

160 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 160 and 640 acres. Use the acres from your own division order for the well you are paid on.

Check your decimal on this lease
Permits for Somervell 6666
API numberWell no.Acreson the permit
42-269-330491WS160
42-269-3265310640
42-269-325777640
42-269-325645640
42-269-325323640
42-269-325231640

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

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36 months, newest first

Ledger for SOMERVELL 6666
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2025Burnett Oil00000$68.39$3.20
Jun 2025Burnett Oil57418000$68.17$3.02
May 2025Burnett Oil58168000$62.17$3.12
Apr 2025Burnett Oil540000$63.54$3.42
Mar 2025Burnett Oil129179000$68.24$4.12
Feb 2025Burnett Oil1550000$71.53$4.19
Jan 2025Burnett Oil396178000$75.74$4.13
Dec 2024Medders Oil1943641000$70.12$3.01
Nov 2024Medders Oil1861811000$69.95$2.12
Oct 2024Medders Oil1781661000$71.99$2.20
Sep 2024Medders Oil1841581000$70.24$2.28
Aug 2024Medders Oil1771451000$76.68$1.99
Jul 2024Medders Oil1853441000$81.80$2.07
Jun 2024Medders Oil2011811000$79.77$2.54
May 2024Medders Oil1951451000$80.02$2.12
Apr 2024Medders Oil2051851000$85.35$1.60
Mar 2024Medders Oil2201801000$81.28$1.49
Feb 2024Medders Oil2131791000$77.25$1.72
Jan 2024Medders Oil2283661000$74.15$3.18
Dec 2023Medders Oil2341711000$71.90$2.52
Nov 2023Medders Oil2571861000$77.69$2.71
Oct 2023Medders Oil2713591000$85.64$2.98
Sep 2023Medders Oil2741661000$89.43$2.64
Aug 2023Medders Oil2953461000$81.39$2.58
Jul 2023Medders Oil3043471000$76.07$2.55
Jun 2023Medders Oil2883511000$70.25$2.18
May 2023Medders Oil3341731000$71.58$2.15
Apr 2023Medders Oil3333361000$79.45$2.16
Mar 2023Medders Oil3553521000$73.28$2.31
Feb 2023Medders Oil3745011000$76.83$2.38
Jan 2023Medders Oil4163611000$78.12$3.27
Dec 2022Medders Oil4275241000$76.44$5.53
Nov 2022Medders Oil4183561000$84.37$5.45
Oct 2022Medders Oil4555451000$87.55$5.66
Sep 2022Medders Oil4743561000$84.26$7.88
Aug 2022Medders Oil3343631000$93.67$8.81

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

OperatorBurnett Oil Co., Inc.FieldLegacy (Tannehill Sand)CountyKing County

Burnett Oil Co., Inc. in King County

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Legacy (Tannehill Sand) field

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