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Texas oil lease

Producing

SENDERO-STX-UNIT

Sendero-STX-Unit is an oil lease in Frio County, Texas, operated by Formentera Operations LLC in the Indio Tanks (Pearsall) field.

1 well

123,913bbl oil, last 12 months
Operator
Formentera Operations LLC
County
Frio County
Field
Indio Tanks (Pearsall)
RRC lease
01-21843

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Where it sits

This county

Frio CountyFrioZavalaAtascosaUvaldeMedinaBexarFrio County
Frio County
Gas, last 12 months
529,134 mcf
Oil in Jul 2026
3,729 bbl

Production by month

Oil output fell 68% since Aug 2025

  • Oil (bars)
  • Gas (line)
Oil output fell 68% since Aug 2025Monthly oil production and gas for SENDERO-STX-UNIT, Aug 2025 to Jul 2026. Oil output fell 68% since Aug 2025. Monthly average of 4,707 bbl in the latest 3 months, against 14,550 bbl in the first 3.bbl per monthmcf per month005,00020k10k40k15k60k20k80kOct 25Jan 26AprJul
Oil output fell 68% since Aug 2025Monthly oil production and gas for SENDERO-STX-UNIT, Aug 2025 to Jul 2026. Oil output fell 68% since Aug 2025. Monthly average of 4,707 bbl in the latest 3 months, against 14,550 bbl in the first 3.bbl per monthmcf per month005,00020k10k40k15k60k20k80kJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

95% of the gas went to a transmission line in the last 12 months

Flaring peaked at 29.3% of the gas in Jun 2026.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
95% of the gas went to a transmission line in the last 12 monthsShare of SENDERO-STX-UNIT gas by disposition code each month, Aug 2025 to Jul 2026. 95% of the gas went to a transmission line in the last 12 months. Flaring peaked at 29.3% of the gas in Jun 2026.Share of the lease’s gas by disposition code, per month0%50%100%Flared 29.3%Oct 25Jan 26AprJul
95% of the gas went to a transmission line in the last 12 monthsShare of SENDERO-STX-UNIT gas by disposition code each month, Aug 2025 to Jul 2026. 95% of the gas went to a transmission line in the last 12 months. Flaring peaked at 29.3% of the gas in Jun 2026.Share of gas by disposition code0%50%100%Flared 29.3%Jan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    95% · 500,456 mcf

  • Flared (4)

    4.8% · 25,317 mcf

  • Lease fuel (1)

    0.6% · 3,361 mcf

4.8% of the gas flared in the last 12 months. 5 months above 3%.

1 well on this lease

Wells on SENDERO-STX-UNIT
API numberWell no.Status
42-163-34351S731HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Medallion Operating Company, LLCOilGathers100Jul 1, 2026–
Targa Midstream Services LLCCasinghead gasBuys100Aug 13, 2025–
Targa Midstream Services LLCCasinghead gasGathers100Aug 13, 2025–
Transoil Marketing, LLCOilGathers100Aug 13, 2025Jul 1, 2026

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

Who buys my oilOil price check

637.26 acres on the newest permit

Permits for Sendero-STX-Unit
API numberWell no.Acreson the permit
42-163-34351S731H637.26

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

Unit decimal checker

Estimate your royalty

12 months, newest first

Ledger for SENDERO-STX-UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20263,7293,67720,88820,079237$80.46$2.89
Jun 20264,9744,50534,64423,91110,140$84.81$3.15
May 20265,4195,54542,44441,739316$102.13$2.94
Apr 20265,9165,65239,49638,760362$100.32$2.77
Mar 20267,1247,36848,41246,5631,586$91.38$3.04
Feb 20268,8028,76855,21154,520415$64.51$3.62
Jan 202613,32713,73965,01063,880804$60.04$7.72
Dec 202515,06615,43861,86860,2411,459$57.97$4.26
Nov 202515,90715,03361,86860,2411,459$60.06$3.79
Oct 202513,47513,44441,39336,1795,093$60.89$3.19
Sep 202517,55717,88744,00041,2832,615$63.96$2.97
Aug 202512,61711,97413,90013,060831$64.86$2.91

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

This lease belongs to

OperatorFormentera Operations LLCFieldIndio Tanks (Pearsall)CountyFrio County

Formentera Operations LLC in Frio County

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Indio Tanks (Pearsall) field

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