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SOMERVELL 6666 FO2

Somervell 6666 Fo2 is an oil lease in King County, Texas, operated by Burnett Oil Co., Inc. in the Legacy (Tannehill Sand) field.

10 wells

9,310bbl oil, last 12 months−14% vs prior year
Operator
Burnett Oil Co., Inc.
County
King County
Field
Legacy (Tannehill Sand)
RRC lease
8A-68810

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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.

See why checks stop on this lease

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 SOMERVELL 6666 FO2, Aug 2022 to Jul 2025. Oil output fell 14% over the last 12 months. 9,310 bbl in the 12 months through Jul 2025, against 10,802 bbl in the 12 months before.Last 12 months: 9,310 bblbbl per monthmcf per month002502500475061,00081,25010Oct 22Jan 23AprJulOctJan 24AprJulOctJan 25AprJul
Oil output fell 14% over the last 12 monthsMonthly oil production and gas for SOMERVELL 6666 FO2, Aug 2022 to Jul 2025. Oil output fell 14% over the last 12 months. 9,310 bbl in the 12 months through Jul 2025, against 10,802 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002502500475061,00081,25010Jan 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 FO2 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 FO2 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.

10 wells on this lease

Wells on SOMERVELL 6666 FO2
API numberWell no.Status
42-269-325841Active
42-269-325992Active
42-269-326233Active
42-269-326244Active
42-269-326255Active
42-269-326266Active
42-269-326557Active
42-269-326988Active
42-269-327189Active
42-269-3273010Active

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

640 acres on the newest permit

  • Good to know

    10 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.

  • 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 Somervell 6666 Fo2
API numberWell no.Acreson the permit
42-269-3273010640
42-269-327189640
42-269-326988640
42-269-326557640
42-269-326244640
42-269-326255640
42-269-326266640
42-269-326233640
42-269-325992640
42-269-325841640

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for SOMERVELL 6666 FO2
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2025Burnett Oil00000$68.39$3.20
Jun 2025Burnett Oil7381,260000$68.17$3.02
May 2025Burnett Oil741704000$62.17$3.12
Apr 2025Burnett Oil684727000$63.54$3.42
Mar 2025Burnett Oil935915000$68.24$4.12
Feb 2025Burnett Oil859884000$71.53$4.19
Jan 2025Burnett Oil1,042854000$75.74$4.13
Dec 2024Medders Oil9498831000$70.12$3.01
Nov 2024Medders Oil8681,0261000$69.95$2.12
Oct 2024Medders Oil8667651000$71.99$2.20
Sep 2024Medders Oil8128321000$70.24$2.28
Aug 2024Medders Oil8169151000$76.68$1.99
Jul 2024Medders Oil8176541000$81.80$2.07
Jun 2024Medders Oil8148751000$79.77$2.54
May 2024Medders Oil9189781000$80.02$2.12
Apr 2024Medders Oil8808661000$85.35$1.60
Mar 2024Medders Oil9178681000$81.28$1.49
Feb 2024Medders Oil8611,0661000$77.25$1.72
Jan 2024Medders Oil9116891000$74.15$3.18
Dec 2023Medders Oil8988971000$71.90$2.52
Nov 2023Medders Oil9219161000$77.69$2.71
Oct 2023Medders Oil9159031000$85.64$2.98
Sep 2023Medders Oil9089111000$89.43$2.64
Aug 2023Medders Oil1,0421,0131000$81.39$2.58
Jul 2023Medders Oil8528941000$76.07$2.55
Jun 2023Medders Oil9148621000$70.25$2.18
May 2023Medders Oil7987271000$71.58$2.15
Apr 2023Medders Oil7748671000$79.45$2.16
Mar 2023Medders Oil8297241000$73.28$2.31
Feb 2023Medders Oil7599101000$76.83$2.38
Jan 2023Medders Oil8387281000$78.12$3.27
Dec 2022Medders Oil8739091000$76.44$5.53
Nov 2022Medders Oil8188981000$84.37$5.45
Oct 2022Medders Oil1,0348781000$87.55$5.66
Sep 2022Medders Oil6387131000$84.26$7.88
Aug 2022Medders Oil8468991000$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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