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Texas oil lease

Producing

FROST BANK UNIT

Frost Bank Unit is an oil lease in McMullen County, Texas, operated by Verdun Oil Ef II LLC in the Eagleville (Eagle Ford-1) field.

7 wells

40,604bbl oil, last 12 months−24% vs prior year
Operator
Verdun Oil Ef II LLC
County
McMullen County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-17890

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Where it sits

This county

McMullen CountyMcMullenLa SalleAtascosaKarnesFrioLive OakMcMullen County
McMullen County
Gas, last 12 months
21,877 mcf
Oil in Jul 2026
1,449 bbl

Checks stopped on this lease?

  • Operator

    Operator changed: Verdun Oil Ef II LLC took over from Ep Energy E&P Company, LLC in Mar 2025.

  • P-5

    The previous operator's P-5 registration is listed as inactive since Nov 17, 2025 (last P-5 filed Mar 20, 2025).

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 24% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 24% over the last 12 monthsMonthly oil production and gas for FROST BANK UNIT, Aug 2023 to Jul 2026. Oil output fell 24% over the last 12 months. 40,604 bbl in the 12 months through Jul 2026, against 53,467 bbl in the 12 months before.Last 12 months: 40,604 bblbbl per monthmcf per month002,5002,0005,0004,0007,5006,00010k8,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 24% over the last 12 monthsMonthly oil production and gas for FROST BANK UNIT, Aug 2023 to Jul 2026. Oil output fell 24% over the last 12 months. 40,604 bbl in the 12 months through Jul 2026, against 53,467 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,5002,0005,0004,0007,5006,00010k8,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuel

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuelShare of FROST BANK UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuel.Share of the lease’s gas by disposition code, per month0%50%100%Jul 2026: fuel to lineOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuelShare of FROST BANK UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuel.Share of gas by disposition code0%50%100%Jul 26: fuel to lineJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    61% · 13,281 mcf

  • Lease fuel (1)

    39% · 8,596 mcf

Who has run this lease

The operator changed 2 times, most recently in Mar 2025

Operators of this lease over timeEp Energy E&P Company, L.P., Jan 2020 to Apr 2022; Ep Energy E&P Company, LLC, May 2022 to Feb 2025; Verdun Oil Ef II LLC, Mar 2025 to Jul 20262020202120222023202420252026Changed May 2022Changed Mar 2025Ep Energy E&P Company, L.P.Jan 2020 to Apr 2022Ep Energy E&P Company, LLCMay 2022 to Feb 2025Verdun Oil Ef II LLCMar 2025 to now
Operators of this lease over timeEp Energy E&P Company, L.P., Jan 2020 to Apr 2022; Ep Energy E&P Company, LLC, May 2022 to Feb 2025; Verdun Oil Ef II LLC, Mar 2025 to Jul 20262020202120222023202420252026Changed May 2022Changed Mar 2025Ep Energy E&P Company, L.P.Jan 2020 to Apr 2022Ep Energy E&P Company, LLCMay 2022 to Feb 2025Verdun Oil Ef II LLCMar 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

7 wells on this lease

Wells on FROST BANK UNIT
API numberWell no.Status
42-311-3575220HActive
42-311-3593322HActive
42-311-36861103HActive
42-311-36862105HActive
42-311-36863104HActive
42-311-36879101HActive
42-311-36880102HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Eastex Crude Company, LLCOilGathers100Jan 1, 2024–
Marathon Petroleum Company LPCasinghead gasBuys100Jan 1, 2024–
Targa Midstream Services LLCCasinghead gasGathers100Jan 1, 2024–
Camino Real Gathering Co. L.l.c.Casinghead gasGathers100Nov 1, 2021Jan 1, 2024
Bp Energy Co.Casinghead gasBuys8Nov 1, 2021Jan 1, 2024
Conocophillips CompanyCasinghead gasBuys8Nov 1, 2021Jan 1, 2024
Dcp Operating Company, LPCasinghead gasBuys8Nov 1, 2021Jan 1, 2024
Enterprise Products Operating LLCCasinghead gasBuys8Nov 1, 2021Jan 1, 2024
Eog Resources, Inc.Casinghead gasBuys7Nov 1, 2021Jan 1, 2024

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

Who buys my oilOil price check

474.82 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 418.97 and 474.82 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    7 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 Frost Bank Unit
API numberWell no.Acreson the permit
42-311-36879101H474.82
42-311-36880102H474.82
42-311-36861103H474.82
42-311-36862105H474.82
42-311-36863104H474.82
42-311-3593322H473.92
42-311-3575220H418.97

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for FROST BANK UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Verdun Oil1,4491,28313130$80.46$2.89
Jun 2026Verdun Oil3,1013,2861,2683170$84.81$3.15
May 2026Verdun Oil3,1633,4392,0819310$102.13$2.94
Apr 2026Verdun Oil3,6093,3191,6208920$100.32$2.77
Mar 2026Verdun Oil3,7513,5722,0011,2460$91.38$3.04
Feb 2026Verdun Oil3,3944,6371,5108390$64.51$3.62
Jan 2026Verdun Oil4,0593,2421,6219860$60.04$7.72
Dec 2025Verdun Oil3,5313,1163,1982,6490$57.97$4.26
Nov 2025Verdun Oil3,3823,4412,0401,1890$60.06$3.79
Oct 2025Verdun Oil3,8944,1592,2191,4450$60.89$3.19
Sep 2025Verdun Oil3,8763,7831,9231,2040$63.96$2.97
Aug 2025Verdun Oil3,3953,2842,3831,5700$64.86$2.91
Jul 2025Verdun Oil4,1114,2172,9562,0530$68.39$3.20
Jun 2025Verdun Oil4,3374,4912,3461,4980$68.17$3.02
May 2025Verdun Oil4,3624,2192,4211,4370$62.17$3.12
Apr 2025Verdun Oil3,9444,3162,4331,5190$63.54$3.42
Mar 2025Verdun Oil4,5394,1163,6012,5160$68.24$4.12
Feb 2025Ep Energy3,7495,9433,6912,8150$71.53$4.19
Jan 2025Ep Energy4,6102,8363,5742,6810$75.74$4.13
Dec 2024Ep Energy4,7204,4261,8971,1170$70.12$3.01
Nov 2024Ep Energy4,5884,5431,7288990$69.95$2.12
Oct 2024Ep Energy5,6035,3942,6021,7830$71.99$2.20
Sep 2024Ep Energy3,9754,6571,2266720$70.24$2.28
Aug 2024Ep Energy4,9294,4662,3642,1780$76.68$1.99
Jul 2024Ep Energy5,1285,5663,7673,5470$81.80$2.07
Jun 2024Ep Energy5,3164,7614,2513,9940$79.77$2.54
May 2024Ep Energy5,3255,2233,6302,9940$80.02$2.12
Apr 2024Ep Energy5,3455,4654,2794,0030$85.35$1.60
Mar 2024Ep Energy5,6075,6295,0124,6142$81.28$1.49
Feb 2024Ep Energy5,6755,6914,5214,0480$77.25$1.72
Jan 2024Ep Energy6,6856,8335,0244,5860$74.15$3.18
Dec 2023Ep Energy7,3267,2934,8824,4600$71.90$2.52
Nov 2023Ep Energy7,1067,3824,3433,9360$77.69$2.71
Oct 2023Ep Energy7,9277,8275,2254,8890$85.64$2.98
Sep 2023Ep Energy7,9117,7525,2384,9960$89.43$2.64
Aug 2023Ep Energy9,66710,3256,0435,72729$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

OperatorVerdun Oil Ef II LLCFieldEagleville (Eagle Ford-1)CountyMcMullen County

Verdun Oil Ef II LLC in McMullen County

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