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Texas oil lease

Producing

CUNDIEFF

Cundieff is an oil lease in Maverick County, Texas, operated by Jonah Energy LLC in the Hugh Fitzsimmons (San Miguel) field.

10 wells

73,797bbl oil, last 12 months−37% vs prior year
Operator
Jonah Energy LLC
County
Maverick County
Field
Hugh Fitzsimmons (San Miguel)
RRC lease
01-18998

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Where it sits

This county

Maverick CountyMaverickZavalaUvaldeKinneyDimmitMaverick County
Maverick County
Gas, last 12 months
365,041 mcf
Oil in Jun 2026
5,690 bbl

Production by month

Oil output fell 37% over the last 12 months

Jul 2026 was not reported.

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 37% over the last 12 monthsMonthly oil production and gas for CUNDIEFF, Aug 2023 to Jul 2026. Oil output fell 37% over the last 12 months. 66,797 bbl in the 12 months through Jul 2026, against 106,337 bbl in the 12 months before.Last 12 months: 66,797 bblbbl per monthmcf per month0010k20k20k40k30k60k40k80kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 37% over the last 12 monthsMonthly oil production and gas for CUNDIEFF, Aug 2023 to Jul 2026. Oil output fell 37% over the last 12 months. 66,797 bbl in the 12 months through Jul 2026, against 106,337 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0010k20k20k40k30k60k40k80kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

63% of the gas went to a processing plant in the last 12 months

Flaring peaked at 45.1% of the gas in Dec 2025.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
63% of the gas went to a processing plant in the last 12 monthsShare of CUNDIEFF gas by disposition code each month, Aug 2023 to Jul 2026. 63% of the gas went to a processing plant in the last 12 months. Flaring peaked at 45.1% of the gas in Dec 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 45.1%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
63% of the gas went to a processing plant in the last 12 monthsShare of CUNDIEFF gas by disposition code each month, Aug 2023 to Jul 2026. 63% of the gas went to a processing plant in the last 12 months. Flaring peaked at 45.1% of the gas in Dec 2025.Share of gas by disposition code0%50%100%Flared 45.1%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    63% · 229,221 mcf

  • Flared (4)

    23% · 85,536 mcf

  • Lease fuel (1)

    14% · 50,284 mcf

23.4% of the gas flared in the last 12 months. 35 months above 3%.

Who has run this lease

The operator changed 2 times, most recently in Mar 2026

Operators of this lease over timeEndeavor Natural Gas, LP, Jan 2020 to Jun 2021; Grit Oil & Gas Management, LLC, Jul 2021 to Feb 2026; Jonah Energy LLC, Mar 2026 to Jun 20262020202120222023202420252026Changed Jul 2021Changed Mar 2026Endeavor Natural Gas, LPJan 2020 to Jun 2021Grit Oil & Gas Management, LLCJul 2021 to Feb 2026Jonah Energy LLCMar 2026 to now
Operators of this lease over timeEndeavor Natural Gas, LP, Jan 2020 to Jun 2021; Grit Oil & Gas Management, LLC, Jul 2021 to Feb 2026; Jonah Energy LLC, Mar 2026 to Jun 20262020202120222023202420252026Changed Jul 2021Changed Mar 2026Endeavor Natural Gas, LPJan 2020 to Jun 2021Grit Oil & Gas Management, LLCJul 2021 to Feb 2026Jonah Energy LLCMar 2026 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

10 wells on this lease

Wells on CUNDIEFF
API numberWell no.Status
42-127-373873001HActive
42-127-378013002HActive
42-127-380762901HActive
42-127-384953003BHActive
42-127-384963005BHActive
42-323-33535203HActive
42-323-33536201HActive
42-323-335920207HActive
42-323-336220202HActive
42-323-336230204HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Eastex Crude Company, LLCOilGathers50Jan 1, 2023–
Shell Trading (Us) CompanyOilGathers50Mar 16, 2017–
Kinder Morgan Tejas Pipeline LLCCasinghead gasBuys100Mar 30, 2026–
Texas Pipeline LLCCasinghead gasGathers100Mar 30, 2026–
Texas Pipeline LLCCasinghead gasGathers100Mar 16, 2017Jan 1, 2023
Upstream Energy ServicesCasinghead gasBuys100Aug 1, 2017Jan 1, 2023
Eastex Crude CompanyOilGathers50Mar 16, 2017Jan 1, 2023

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

Who buys my oilOil price check

1,964.19 acres on the newest permit

The wells on this lease state different acreage

The permits state between 1,964.19 and 2,681.08 acres.

10 wells are listed on this lease

Permits for Cundieff
API numberWell no.Acreson the permit
42-323-336220202H1,964.19
42-323-336230204H1,964.19
42-323-335920207H1,964.19
42-127-384953003BH1,964.20
42-127-384963005BH1,964.20
42-323-33535203H2,681.08
42-323-33536201H2,681.08
42-127-380762901H2,681.08
42-127-378013002H2,681.08
42-127-373873001H2,681.08

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for CUNDIEFF
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report–––––$80.46$2.89
Jun 2026Jonah Energy5,6905,68925,41018,2232,991$84.81$3.15
May 2026Jonah Energy5,9245,44226,65220,2662,198$102.13$2.94
Apr 2026Jonah Energy4,9874,86827,53818,7684,656$100.32$2.77
Mar 2026Jonah Energy6,0586,24729,89020,4025,185$91.38$3.04
Feb 2026Grit Oil5,2625,04325,62216,6215,182$64.51$3.62
Jan 2026Grit Oil5,9706,36132,43415,84012,442$60.04$7.72
Dec 2025Grit Oil5,8185,59731,15213,06814,042$57.97$4.26
Nov 2025Grit Oil6,3026,48329,57416,1329,161$60.06$3.79
Oct 2025Grit Oil6,4806,39932,77622,0105,956$60.89$3.19
Sep 2025Grit Oil7,1007,28534,20724,4725,612$63.96$2.97
Aug 2025Grit Oil7,2067,00935,60920,25711,412$64.86$2.91
Jul 2025Grit Oil7,0007,46134,17723,1626,699$68.39$3.20
Jun 2025Grit Oil8,2697,67635,54629,7061,441$68.17$3.02
May 2025Grit Oil8,5988,83538,01231,9721,343$62.17$3.12
Apr 2025Grit Oil8,6548,47238,66130,8742,516$63.54$3.42
Mar 2025Grit Oil8,3188,22940,17827,7207,142$68.24$4.12
Feb 2025Grit Oil7,5367,52230,43221,8134,741$71.53$4.19
Jan 2025Grit Oil8,6008,65134,37522,3807,933$75.74$4.13
Dec 2024Grit Oil8,9429,31541,11328,6128,365$70.12$3.01
Nov 2024Grit Oil8,8629,04035,11528,2552,328$69.95$2.12
Oct 2024Grit Oil10,30310,25545,31536,4344,894$71.99$2.20
Sep 2024Grit Oil10,1559,88440,16928,0838,239$70.24$2.28
Aug 2024Grit Oil11,10011,25845,44238,6902,794$76.68$1.99
Jul 2024Grit Oil12,02011,90646,62138,6343,454$81.80$2.07
Jun 2024Grit Oil11,65311,32347,40040,7162,993$79.77$2.54
May 2024Grit Oil12,45412,90050,21140,5895,242$80.02$2.12
Apr 2024Grit Oil13,84013,79352,03540,4875,531$85.35$1.60
Mar 2024Grit Oil15,55815,06748,10735,1027,126$81.28$1.49
Feb 2024Grit Oil15,20615,34851,04635,63610,755$77.25$1.72
Jan 2024Grit Oil19,19319,76356,69536,87214,141$74.15$3.18
Dec 2023Grit Oil19,43819,48056,68732,75918,261$71.90$2.52
Nov 2023Grit Oil20,97020,17952,80730,34218,744$77.69$2.71
Oct 2023Grit Oil26,72527,04343,29422,52217,681$85.64$2.98
Sep 2023Grit Oil12,20412,08021,73615,5114,266$89.43$2.64
Aug 2023Grit Oil15,59015,64449,82428,03518,085$81.39$2.58

No report filed Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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This lease belongs to

OperatorJonah Energy LLCFieldHugh Fitzsimmons (San Miguel)CountyMaverick County

Jonah Energy LLC in Maverick County

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Hugh Fitzsimmons (San Miguel) field

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