Skip to content
Royalty Clerk

Texas oil lease

Producing

ROPER-STX-UNIT

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

1 well

171,210bbl oil, since Oct 2025
Operator
Formentera Operations LLC
County
Frio County
Field
Indio Tanks (Pearsall)
RRC lease
01-21801

Is your check right?

Check my statement

Where it sits

This county

Frio CountyFrioZavalaAtascosaUvaldeMedinaBexarFrio County
Frio County
Gas, since Oct 2025
571,848 mcf
Oil in Jul 2026
244 bbl

Production by month

Oil output fell 73% since Oct 2025

  • Oil (bars)
  • Gas (line)
Oil output fell 73% since Oct 2025Monthly oil production and gas for ROPER-STX-UNIT, Oct 2025 to Jul 2026. Oil output fell 73% since Oct 2025. Monthly average of 6,984 bbl in the latest 3 months, against 25,830 bbl in the first 3.bbl per monthmcf per month0010k25k20k50k30k75k40k100kOct 25Jan 26AprJul
Oil output fell 73% since Oct 2025Monthly oil production and gas for ROPER-STX-UNIT, Oct 2025 to Jul 2026. Oil output fell 73% since Oct 2025. Monthly average of 6,984 bbl in the latest 3 months, against 25,830 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 35.8% 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-UNIT 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 35.8% of the gas in Jun 2026.Share of the lease’s gas by disposition code, per month0%50%100%Flared 35.8%Oct 25Jan 26AprJul
93% of the gas went to a transmission line in the 10 months reportedShare of ROPER-STX-UNIT 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 35.8% of the gas in Jun 2026.Share of gas by disposition code0%50%100%Flared 35.8%Jan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    93% · 530,656 mcf

  • Flared (4)

    6.8% · 39,090 mcf

  • Lease fuel (1)

    0.4% · 2,102 mcf

6.8% of the gas flared in the 10 months reported. 9 months above 3%.

1 well on this lease

Wells on ROPER-STX-UNIT
API numberWell no.Status
42-163-34364S731HShut-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 gasBuys100Aug 8, 2025–
Targa Midstream Services LLCCasinghead gasGathers100Aug 8, 2025–
Transoil Marketing, LLCOilGathers100Aug 8, 2025Jul 1, 2026

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

Who buys my oilOil price check

638.68 acres on the newest permit

Permits for Roper-STX-Unit
API numberWell no.Acreson the permit
42-163-34364S731H638.68

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

Unit decimal checker

Estimate your royalty

10 months, newest first

Ledger for ROPER-STX-UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262442528,7897,3901,221$80.46$2.89
Jun 20265,8416,24233,98421,66112,183$84.81$3.15
May 202614,86815,19364,32361,0992,988$102.13$2.94
Apr 202613,63113,36455,17052,2822,618$100.32$2.77
Mar 202615,85716,37760,23757,9982,018$91.38$3.04
Feb 202618,31217,60463,66661,1402,298$64.51$3.62
Jan 202624,96725,46779,42676,9472,245$60.04$7.72
Dec 202523,53623,25768,63165,9302,494$57.97$4.26
Nov 202531,36731,63382,67578,9833,463$60.06$3.79
Oct 202522,58721,82154,94747,2267,562$60.89$3.19

Flared above 3%

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

How to check your stub against this lease

Do your checks match this lease?

Check my statement

Nearby

This lease belongs to

OperatorFormentera Operations LLCFieldIndio Tanks (Pearsall)CountyFrio County

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