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Texas oil lease

Producing

JMH ZAV

JMH Zav is an oil lease in Zavala County, Texas, operated by Buffco Production Inc. in the Ammann (Buda) field.

2 wells

218bbl oil, last 12 months−72% vs prior year
RRC lease
01-18370

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Where it sits

This county

Zavala CountyZavalaUvaldeKinneyMedinaFrioMaverickZavala County
Zavala County
Oil in Jul 2026
0 bbl
Reporting since
Jan 2020

Production by month

Oil output fell 72% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 72% over the last 12 monthsMonthly oil production and gas for JMH ZAV, Aug 2023 to Jul 2026. Oil output fell 72% over the last 12 months. 218 bbl in the 12 months through Jul 2026, against 768 bbl in the 12 months before.Last 12 months: 218 bblbbl per monthmcf per month00100100200200300300400400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 72% over the last 12 monthsMonthly oil production and gas for JMH ZAV, Aug 2023 to Jul 2026. Oil output fell 72% over the last 12 months. 218 bbl in the 12 months through Jul 2026, against 768 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00100100200200300300400400Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to lease fuel in the 6 months reported

All of the gas went to lease fuel in the 6 months reportedShare of JMH ZAV gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to lease fuel in the 6 months reported.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to lease fuel in the 6 months reportedShare of JMH ZAV gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to lease fuel in the 6 months reported.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Who has run this lease

The operator changed 2 times, most recently in Jan 2024

Operators of this lease over timeSN Operating, LLC, Jan 2020 to Jan 2022; Formentera Operations LLC, Feb 2022 to Dec 2023; Buffco Production Inc., Jan 2024 to Jul 20262020202120222023202420252026Changed Feb 2022Changed Jan 2024SN Operating, LLCJan 2020 to Jan 2022Formentera Operations LLCFeb 2022 to Dec 2023Buffco Production Inc.Jan 2024 to now
Operators of this lease over timeSN Operating, LLC, Jan 2020 to Jan 2022; Formentera Operations LLC, Feb 2022 to Dec 2023; Buffco Production Inc., Jan 2024 to Jul 20262020202120222023202420252026Changed Feb 2022Changed Jan 2024SN Operating, LLCJan 2020 to Jan 2022Formentera Operations LLCFeb 2022 to Dec 2023Buffco Production Inc.Jan 2024 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on JMH ZAV
API numberWell no.Status
42-507-332091HBShut-in
42-507-332322HBShut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Eastex Crude Company, LLCOilGathers20Aug 1, 2024–
Energy Trans Crude Marketing LLCOilGathers20Aug 1, 2024–
Harvest Marketing & Trading, LLCOilGathers20Aug 1, 2024–
Plains Marketing, L.p.OilGathers20Aug 1, 2024–
Shell Trading (Us) CompanyOilGathers20Aug 1, 2024–
Williams Mlp Operating LLCCasinghead gasBuys100Aug 1, 2024–
Williams Mlp Operating LLCCasinghead gasGathers100Oct 1, 2015–
Chesapeake Energy Mktg, L.l.c.Casinghead gasBuys100Feb 1, 2015Aug 1, 2024
Eastex Crude Company, LLCOilGathers25Mar 1, 2024Aug 1, 2024
Harvest Marketing & Trading, LLCOilGathers25Mar 1, 2024Aug 1, 2024
Plains Marketing, L.p.OilGathers25Mar 1, 2024Aug 1, 2024
Texon L.p.OilGathers25Mar 1, 2024Aug 1, 2024
Harvest Marketing & Trading, LLCOilGathers100Aug 1, 2023Mar 1, 2024

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

3,604.62 acres on the newest permit

  • 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 JMH Zav
API numberWell no.Acreson the permit
42-507-332322HB3,604.62
42-507-332091HB3,604.62

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

Estimate your royalty

36 months, newest first

Ledger for JMH ZAV
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Buffco Production00000$80.46$2.89
Jun 2026Buffco Production185183000$84.81$3.15
May 2026Buffco Production00000$102.13$2.94
Apr 2026Buffco Production00000$100.32$2.77
Mar 2026Buffco Production00000$91.38$3.04
Feb 2026Buffco Production00000$64.51$3.62
Jan 2026Buffco Production00000$60.04$7.72
Dec 2025Buffco Production00000$57.97$4.26
Nov 2025Buffco Production00000$60.06$3.79
Oct 2025Buffco Production00000$60.89$3.19
Sep 2025Buffco Production25177000$63.96$2.97
Aug 2025Buffco Production80000$64.86$2.91
Jul 2025Buffco Production300000$68.39$3.20
Jun 2025Buffco Production2220000$68.17$3.02
May 2025Buffco Production00000$62.17$3.12
Apr 2025Buffco Production00000$63.54$3.42
Mar 2025Buffco Production163163000$68.24$4.12
Feb 2025Buffco Production00000$71.53$4.19
Jan 2025Buffco Production00000$75.74$4.13
Dec 2024Buffco Production00000$70.12$3.01
Nov 2024Buffco Production00000$69.95$2.12
Oct 2024Buffco Production00000$71.99$2.20
Sep 2024Buffco Production00000$70.24$2.28
Aug 2024Buffco Production353353000$76.68$1.99
Jul 2024Buffco Production165181000$81.80$2.07
Jun 2024Buffco Production358715000$79.77$2.54
May 2024Buffco Production329358000$80.02$2.12
Apr 2024Buffco Production137173000$85.35$1.60
Mar 2024Buffco Production1270000$81.28$1.49
Feb 2024Buffco Production272179000$77.25$1.72
Jan 2024Buffco Production17118938700$74.15$3.18
Dec 2023Formentera Operations28236838700$71.90$2.52
Nov 2023Formentera Operations19817936100$77.69$2.71
Oct 2023Formentera Operations47011200$85.64$2.98
Sep 2023Formentera Operations21010337400$89.43$2.64
Aug 2023Formentera Operations21436938700$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

Ammann (Buda) field

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