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TETHYS B

Tethys B is an oil lease in Gonzales County, Texas, operated by FW Eagle Ford I, LLC in the Eagleville (Eagle Ford-1) field.

1 well

26,522bbl oil, last 12 months−44% vs prior year
Operator
FW Eagle Ford I, LLC
County
Gonzales County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-21023

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Where it sits

This county

Gonzales CountyGonzalesWilsonLavacaFayetteCaldwellBastropDe WittHaysGuadalupeGonzales County
Gonzales County
Gas, last 12 months
13,138 mcf
Oil in Jul 2026
46 bbl

Production by month

Oil output fell 44% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 44% over the last 12 monthsMonthly oil production and gas for TETHYS B, Aug 2023 to Jul 2026. Oil output fell 44% over the last 12 months. 26,522 bbl in the 12 months through Jul 2026, against 47,018 bbl in the 12 months before.Last 12 months: 26,522 bblbbl per monthmcf per month005,0001,00010k2,00015k3,00020k4,00025k5,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 44% over the last 12 monthsMonthly oil production and gas for TETHYS B, Aug 2023 to Jul 2026. Oil output fell 44% over the last 12 months. 26,522 bbl in the 12 months through Jul 2026, against 47,018 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005,0001,00010k2,00015k3,00020k4,00025k5,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

87% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
87% of the gas went to a processing plant in the last 12 monthsShare of TETHYS B gas by disposition code each month, Aug 2023 to Jul 2026. 87% of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
87% of the gas went to a processing plant in the last 12 monthsShare of TETHYS B gas by disposition code each month, Aug 2023 to Jul 2026. 87% of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    87% · 12,849 mcf

  • Lease fuel (1)

    12% · 1,790 mcf

  • Transmission line (2)

    1.3% · 192 mcf

Who has run this lease

The operator changed 2 times, most recently in Jan 2026

Operators of this lease over timeRocc Oil & Gas, L.P., Mar 2023 to Dec 2023; Baytex Energy USA, Inc., Jan 2024 to Dec 2025; FW Eagle Ford I, LLC, Jan 2026 to Jul 2026202420252026Changed Jan 2024Changed Jan 2026Rocc Oil & Gas, L.P.Mar 2023 to Dec 2023Baytex Energy USA, Inc.Jan 2024 to Dec 2025FW Eagle Ford I, LLCJan 2026 to now
Operators of this lease over timeRocc Oil & Gas, L.P., Mar 2023 to Dec 2023; Baytex Energy USA, Inc., Jan 2024 to Dec 2025; FW Eagle Ford I, LLC, Jan 2026 to Jul 2026202420252026Changed Jan 2024Changed Jan 2026Rocc Oil & Gas, L.P.Mar 2023 to Dec 2023Baytex Energy USA, Inc.Jan 2024 to Dec 2025FW Eagle Ford I, LLCJan 2026 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on TETHYS B
API numberWell no.Status
42-177-345412HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Plains Pipeline L.p.OilGathers50Feb 1, 2025–
Synergy Transfer, LLCOilGathers50Feb 1, 2025–
Arm Energy Management LLCCasinghead gasBuys50Mar 23, 2023–
Oasis Pipeline, LPCasinghead gasBuys50Mar 23, 2023–
Lavaca Midstream, L.l.c.Casinghead gasGathers100Mar 23, 2023–
Ironwood Midst Energy Ptnrs LLCOilGathers100Mar 23, 2023Feb 1, 2025

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

Who buys my oilOil price check

1,950.29 acres on the newest permit

An allocation well is on this lease

Permits for Tethys B
API numberWell no.Acreson the permit
42-177-345412H1,950.29

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for TETHYS B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026FW Eagle464756490$80.46$2.89
Jun 2026FW Eagle3631000$84.81$3.15
May 2026FW Eagle2113787760$102.13$2.94
Apr 2026FW Eagle1,3401,5035004360$100.32$2.77
Mar 2026FW Eagle2,6972,7101,3731,1950$91.38$3.04
Feb 2026FW Eagle2,8542,7721,2691,1200$64.51$3.62
Jan 2026FW Eagle2,9773,0231,3411,1690$60.04$7.72
Dec 2025Baytex Energy3,3373,3172,0391,7760$57.97$4.26
Nov 2025Baytex Energy3,0763,0862,0471,8020$60.06$3.79
Oct 2025Baytex Energy3,3833,2981,5581,3830$60.89$3.19
Sep 2025Baytex Energy3,4523,4971,4371,2800$63.96$2.97
Aug 2025Baytex Energy3,3033,2901,4311,2670$64.86$2.91
Jul 2025Baytex Energy3,5623,6081,6931,4880$68.39$3.20
Jun 2025Baytex Energy4,1344,1622,1691,9170$68.17$3.02
May 2025Baytex Energy4,0723,5744534010$62.17$3.12
Apr 2025Baytex Energy3,2383,1071,1881,0560$63.54$3.42
Mar 2025Baytex Energy2,4972,7365184540$68.24$4.12
Feb 2025Baytex Energy2,7652,7297006010$71.53$4.19
Jan 2025Baytex Energy3,6803,5755224300$75.74$4.13
Dec 2024Baytex Energy3,2293,4887095900$70.12$3.01
Nov 2024Baytex Energy4,3524,6079127740$69.95$2.12
Oct 2024Baytex Energy4,9114,6211,3171,1310$71.99$2.20
Sep 2024Baytex Energy5,2035,0971,1049490$70.24$2.28
Aug 2024Baytex Energy5,3755,6341,3831,1910$76.68$1.99
Jul 2024Baytex Energy6,4316,4331,8141,5460$81.80$2.07
Jun 2024Baytex Energy6,2176,2171,3741,1650$79.77$2.54
May 2024Baytex Energy5,0925,4091,5901,3480$80.02$2.12
Apr 2024Baytex Energy7,0786,5652,2681,9330$85.35$1.60
Mar 2024Baytex Energy8,2668,6353,6813,1670$81.28$1.49
Feb 2024Baytex Energy7,6137,4982,4742,0920$77.25$1.72
Jan 2024Baytex Energy8,3609,9911,9641,5940$74.15$3.18
Dec 2023Rocc Oil9,3947,6392,1881,8180$71.90$2.52
Nov 2023Rocc Oil9,7129,4152,5772,1760$77.69$2.71
Oct 2023Rocc Oil9,2159,5502,4312,0710$85.64$2.98
Sep 2023Rocc Oil10,12710,2882,9972,5510$89.43$2.64
Aug 2023Rocc Oil13,43513,5034,9424,1050$81.39$2.58

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

OperatorFW Eagle Ford I, LLCFieldEagleville (Eagle Ford-1)CountyGonzales County

FW Eagle Ford I, LLC in Gonzales County

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Eagleville (Eagle Ford-1) field

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