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Texas oil lease

Producing

TMK UNIT C

TMK Unit C is an oil lease in Karnes County, Texas, operated by Gulftex Energy, LLC in the Eagleville (Eagle Ford-2) field.

1 well

15,149bbl oil, last 12 months−32% vs prior year
RRC lease
02-12374

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
43,956 mcf
Oil in Jul 2026
984 bbl

Production by month

Oil output fell 32% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 32% over the last 12 monthsMonthly oil production and gas for TMK UNIT C, Aug 2023 to Jul 2026. Oil output fell 32% over the last 12 months. 15,149 bbl in the 12 months through Jul 2026, against 22,296 bbl in the 12 months before.Last 12 months: 15,149 bblbbl per monthmcf per month001,0002,0002,0004,0003,0006,0004,0008,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 32% over the last 12 monthsMonthly oil production and gas for TMK UNIT C, Aug 2023 to Jul 2026. Oil output fell 32% over the last 12 months. 15,149 bbl in the 12 months through Jul 2026, against 22,296 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0002,0002,0004,0003,0006,0004,0008,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Sep 2023 the lease's gas goes to a transmission line instead of lease fuel

Flaring peaked at 18.4% of the gas in Aug 2023.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Sep 2023 the lease's gas goes to a transmission line instead of lease fuelShare of TMK UNIT C gas by disposition code each month, Aug 2023 to Jul 2026. Since Sep 2023 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 18.4% of the gas in Aug 2023.Share of the lease’s gas by disposition code, per month0%50%100%Sep 2023: fuel to lineFlared 18.4%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Sep 2023 the lease's gas goes to a transmission line instead of lease fuelShare of TMK UNIT C gas by disposition code each month, Aug 2023 to Jul 2026. Since Sep 2023 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 18.4% of the gas in Aug 2023.Share of gas by disposition code0%50%100%Sep 23: fuel to lineFlared 18.4%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    73% · 32,093 mcf

  • Lease fuel (1)

    25% · 11,090 mcf

  • Flared (4)

    1.8% · 773 mcf

1.8% of the gas flared in the last 12 months. 16 months above 3%.

1 well on this lease

Wells on TMK UNIT C
API numberWell no.Status
42-255-371516HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Phillips 66 CompanyOilGathers100Dec 9, 2021
Enterprise Products Operating LLCCasinghead gasBuys75Dec 9, 2021
Energy Transfer CompanyCasinghead gasBuys25Dec 9, 2021
Startex Field Services, LLCCasinghead gasGathers100Dec 9, 2021

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

940.37 acres on the newest permit

A production sharing agreement well is on this lease

Permits for TMK Unit C
API numberWell no.Acreson the permit
42-255-371516H940.37

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

Estimate your royalty

36 months, newest first

Ledger for TMK UNIT C
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20269849892,6651,76631$80.46$2.89
Jun 20261,0751,0582,9862,03129$84.81$3.15
May 20261,1261,1233,4782,380123$102.13$2.94
Apr 20261,1661,1943,2712,24335$100.32$2.77
Mar 20261,2631,2563,4182,32467$91.38$3.04
Feb 20261,0581,0543,2922,43527$64.51$3.62
Jan 20261,3051,2965,1884,12256$60.04$7.72
Dec 20251,1831,1763,8822,89016$57.97$4.26
Nov 20251,3781,3833,3252,33397$60.06$3.79
Oct 20251,3271,3333,6952,665141$60.89$3.19
Sep 20251,4881,4784,1153,24884$63.96$2.97
Aug 20251,7961,8674,6413,65667$64.86$2.91
Jul 20251,8101,7444,4833,48348$68.39$3.20
Jun 20251,6681,6754,3243,36938$68.17$3.02
May 20251,5661,5844,2943,26572$62.17$3.12
Apr 20251,6451,6394,1603,184102$63.54$3.42
Mar 20251,7741,8254,3903,350133$68.24$4.12
Feb 20251,6731,6334,1783,127179$71.53$4.19
Jan 20251,8231,8535,2063,722516$75.74$4.13
Dec 20242,0502,0275,3374,219141$70.12$3.01
Nov 20241,9021,9414,8793,763199$69.95$2.12
Oct 20242,1582,1245,1874,110127$71.99$2.20
Sep 20242,0682,0984,3533,278194$70.24$2.28
Aug 20242,1592,1884,7663,677173$76.68$1.99
Jul 20242,1632,1485,1493,841375$81.80$2.07
Jun 20242,1372,1006,8345,213713$79.77$2.54
May 20242,3962,3736,3354,681720$80.02$2.12
Apr 20242,4762,5275,7213,876866$85.35$1.60
Mar 20242,3792,3345,6154,483139$81.28$1.49
Feb 20242,5632,6435,9534,351141$77.25$1.72
Jan 20242,8292,8075,9324,660247$74.15$3.18
Dec 20232,8572,8585,6514,284372$71.90$2.52
Nov 20232,8042,8555,3794,147144$77.69$2.71
Oct 20233,4783,4014,6524,55795$85.64$2.98
Sep 20233,4023,4094,2293,638591$89.43$2.64
Aug 20231,5451,6132,348874433$81.39$2.58

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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Nearby

Gulftex Energy, LLC in Karnes County

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Eagleville (Eagle Ford-2) field

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