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Texas oil lease

Producing

ROPER-STX

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

1 well

197,583bbl oil, since Oct 2025
RRC lease
01-21805

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Where it sits

This county

Frio CountyFrioZavalaAtascosaUvaldeMedinaBexarFrio County
Frio County
Gas, since Oct 2025
654,806 mcf
Oil in Jul 2026
11,797 bbl

Production by month

Oil output fell 44% since Oct 2025

  • Oil (bars)
  • Gas (line)
Oil output fell 44% since Oct 2025Monthly oil production and gas for ROPER-STX, Oct 2025 to Jul 2026. Oil output fell 44% since Oct 2025. Monthly average of 13,517 bbl in the latest 3 months, against 24,244 bbl in the first 3.bbl per monthmcf per month0010k25k20k50k30k75k40k100kOct 25Jan 26AprJul
Oil output fell 44% since Oct 2025Monthly oil production and gas for ROPER-STX, Oct 2025 to Jul 2026. Oil output fell 44% since Oct 2025. Monthly average of 13,517 bbl in the latest 3 months, against 24,244 bbl in the first 3.bbl per monthmcf per month0010k25k20k50k30k75k40k100kJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

93% of the gas went to a transmission line in the 10 months reported

Flaring peaked at 36.2% of the gas in Jun 2026.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
93% of the gas went to a transmission line in the 10 months reportedShare of ROPER-STX gas by disposition code each month, Oct 2025 to Jul 2026. 93% of the gas went to a transmission line in the 10 months reported. Flaring peaked at 36.2% of the gas in Jun 2026.Share of the lease’s gas by disposition code, per month0%50%100%Flared 36.2%Oct 25Jan 26AprJul
93% of the gas went to a transmission line in the 10 months reportedShare of ROPER-STX gas by disposition code each month, Oct 2025 to Jul 2026. 93% of the gas went to a transmission line in the 10 months reported. Flaring peaked at 36.2% of the gas in Jun 2026.Share of gas by disposition code0%50%100%Flared 36.2%Jan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    93% · 606,426 mcf

  • Flared (4)

    7.0% · 45,861 mcf

  • Lease fuel (1)

    0.4% · 2,519 mcf

7.0% of the gas flared in the 10 months reported. 9 months above 3%.

1 well on this lease

Wells on ROPER-STX
API numberWell no.Status
42-163-34365N731HShut-in

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 gasBuys100Sep 4, 2025–
Targa Midstream Services LLCCasinghead gasGathers100Sep 4, 2025–
Transoil Marketing, LLCOilGathers100Sep 4, 2025Jul 1, 2026

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

736 acres on the newest permit

Permits for Roper-STX
API numberWell no.Acreson the permit
42-163-34365N731H736

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

Estimate your royalty

10 months, newest first

Ledger for ROPER-STX
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202611,79711,78045,60242,7272,430$80.46$2.89
Jun 202613,03412,86748,58030,78117,591$84.81$3.15
May 202615,72115,29462,03159,1112,692$102.13$2.94
Apr 202615,02715,68458,21154,8893,061$100.32$2.77
Mar 202619,88020,29472,36369,6702,426$91.38$3.04
Feb 202620,34019,59270,22067,4482,519$64.51$3.62
Jan 202629,05229,78695,61592,6002,739$60.04$7.72
Dec 202523,06822,44375,85772,9852,651$57.97$4.26
Nov 202528,40828,63279,30775,7813,306$60.06$3.79
Oct 202521,25620,60047,02040,4346,446$60.89$3.19

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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Nearby

Formentera Operations LLC in Frio County

All Formentera Operations LLC leases →

Indio Tanks (Pearsall) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km