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Texas oil lease

Producing

LAMBSHEAD D-8

Lambshead D-8 is an oil lease in Throckmorton County, Texas, operated by Tot Richards Family LP in the Throckmorton County Regular field.

24 wells

3,461bbl oil, last 12 months−18% vs prior year
Operator
Tot Richards Family LP
County
Throckmorton County
Field
Throckmorton County Regular
RRC lease
7B-26697

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Where it sits

This county

Throckmorton CountyThrockmortonBaylorKnoxYoungHaskellArcherThrockmorton County
Throckmorton County
Oil in Jul 2026
200 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • Operator

    Operator changed: Tot Richards Family LP took over from Richards, Tot Oil Co. in Oct 2025.

  • P-5

    The previous operator's P-5 registration is listed as inactive since Jan 2, 2026 (last P-5 filed Oct 15, 2024).

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

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Production by month

Oil output fell 18% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 18% over the last 12 monthsMonthly oil production for LAMBSHEAD D-8, Aug 2023 to Jul 2026. Oil output fell 18% over the last 12 months. 3,461 bbl in the 12 months through Jul 2026, against 4,235 bbl in the 12 months before.Last 12 months: 3,461 bblbbl per month0200400600800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 18% over the last 12 monthsMonthly oil production for LAMBSHEAD D-8, Aug 2023 to Jul 2026. Oil output fell 18% over the last 12 months. 3,461 bbl in the 12 months through Jul 2026, against 4,235 bbl in the 12 months before.Last 12 monthsbbl per month0200400600800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

Who has run this lease

The operator changed once, most recently in Oct 2025

Operators of this lease over timeRichards, Tot Oil Co., Jan 2020 to Sep 2025; Tot Richards Family LP, Oct 2025 to Jul 20262020202120222023202420252026Changed Oct 2025Richards, Tot Oil Co.Jan 2020 to Sep 2025Tot Richards Family LPOct 2025 to now
Operators of this lease over timeRichards, Tot Oil Co., Jan 2020 to Sep 2025; Tot Richards Family LP, Oct 2025 to Jul 20262020202120222023202420252026Changed Oct 2025Richards, Tot Oil Co.Jan 2020 to Sep 2025Tot Richards Family LPOct 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

24 wells on this lease

Wells on LAMBSHEAD D-8
API numberWell no.Status
42-447-35294S 1Shut-in
42-447-35337S 2Active
42-447-35341S 3Active
42-447-35345S 4Active
42-447-35347S 5Active
42-447-35357S 7Active
42-447-35359S 8Shut-in
42-447-35361S 9Active
42-447-35365S 10Shut-in
42-447-35369S 11Active
42-447-35370S 12Active
42-447-35379S 14Active
42-447-35380S 13Active
42-447-35381S 15Active
42-447-35399S 17Active
42-447-35454S 18Shut-in
42-447-35462S 19Active
42-447-35473S 21Active
42-447-35475S 22Shut-in
42-447-35483S 24Active
42-447-35491S 26Active
42-447-35492S 25Active
42-447-35628S 27Active
42-447-35629S 28Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Ptt Premier Trading and Tran LLCOilGathers100Nov 1, 2023–
Gulfmark Energy, Inc.OilGathers100Oct 1, 2018Nov 1, 2023

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

Who buys my oilOil price check

480 acres on the newest permit

  • Good to know

    24 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.

Check your decimal on this lease
Permits for Lambshead D-8
API numberWell no.Acreson the permit
42-447-35629S 28480
42-447-35628S 27480
42-447-35491S 26480
42-447-35492S 25480
42-447-35483S 24480
42-447-35475S 22480
42-447-35473S 21480
42-447-35462S 19480
42-447-35454S 18480
42-447-35399S 17480
42-447-35380S 13480
42-447-35379S 14480

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

Unit decimal checker

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36 months, newest first

Ledger for LAMBSHEAD D-8
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Tot Richards200165$80.46$2.89
Jun 2026Tot Richards292316$84.81$3.15
May 2026Tot Richards299334$102.13$2.94
Apr 2026Tot Richards237165$100.32$2.77
Mar 2026Tot Richards306343$91.38$3.04
Feb 2026Tot Richards247354$64.51$3.62
Jan 2026Tot Richards283173$60.04$7.72
Dec 2025Tot Richards330358$57.97$4.26
Nov 2025Tot Richards267168$60.06$3.79
Oct 2025Tot Richards319335$60.89$3.19
Sep 2025Richards, Tot338325$63.96$2.97
Aug 2025Richards, Tot343467$64.86$2.91
Jul 2025Richards, Tot116169$68.39$3.20
Jun 2025Richards, Tot502337$68.17$3.02
May 2025Richards, Tot356503$62.17$3.12
Apr 2025Richards, Tot169164$63.54$3.42
Mar 2025Richards, Tot506493$68.24$4.12
Feb 2025Richards, Tot345333$71.53$4.19
Jan 2025Richards, Tot387331$75.74$4.13
Dec 2024Richards, Tot354340$70.12$3.01
Nov 2024Richards, Tot351338$69.95$2.12
Oct 2024Richards, Tot206351$71.99$2.20
Sep 2024Richards, Tot561515$70.24$2.28
Aug 2024Richards, Tot382349$76.68$1.99
Jul 2024Richards, Tot362342$81.80$2.07
Jun 2024Richards, Tot349351$79.77$2.54
May 2024Richards, Tot383338$80.02$2.12
Apr 2024Richards, Tot401513$85.35$1.60
Mar 2024Richards, Tot346340$81.28$1.49
Feb 2024Richards, Tot433339$77.25$1.72
Jan 2024Richards, Tot354353$74.15$3.18
Dec 2023Richards, Tot402343$71.90$2.52
Nov 2023Richards, Tot409531$77.69$2.71
Oct 2023Richards, Tot393332$85.64$2.98
Sep 2023Richards, Tot385507$89.43$2.64
Aug 2023Richards, Tot421338$81.39$2.58

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

OperatorTot Richards Family LPFieldThrockmorton County RegularCountyThrockmorton County

Tot Richards Family LP in Throckmorton County

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Throckmorton County Regular field

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