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Texas oil lease

No report in 6+ months

SOUTH TEXAS SYNDICATE

South Texas Syndicate is an oil lease in McMullen County, Texas, operated by Blue Flame Operating Company LLC in the Big Mule (5500 Sand) field.

13 wells

1,010bbl oil, last 12 months−12% vs prior year
Operator
Blue Flame Operating Company LLC
County
McMullen County
Field
Big Mule (5500 Sand)
RRC lease
01-14907

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Where it sits

This county

McMullen CountyMcMullenLa SalleAtascosaKarnesFrioLive OakMcMullen County
McMullen County
Oil in Feb 2023
156 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • P-5

    The current operator's P-5 registration is listed as delinquent (last P-5 filed Oct 19, 2022).

  • Sales

    No sales reported for the last 12 months of state data (through Jul 2026).

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

See why checks stop on this lease

Production by month

Oil output fell 12% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 12% over the last 12 monthsMonthly oil production for SOUTH TEXAS SYNDICATE, Mar 2020 to Feb 2023. Oil output fell 12% over the last 12 months. 1,010 bbl in the 12 months through Feb 2023, against 1,149 bbl in the 12 months before.Last 12 months: 1,010 bblbbl per month0200400600800Apr 20JulOctJan 21AprJulOctJan 22AprJulOctJan 23
Oil output fell 12% over the last 12 monthsMonthly oil production for SOUTH TEXAS SYNDICATE, Mar 2020 to Feb 2023. Oil output fell 12% over the last 12 months. 1,010 bbl in the 12 months through Feb 2023, against 1,149 bbl in the 12 months before.Last 12 monthsbbl per month0200400600800Jul 20Jan 21JulJan 22JulJan 23

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

Who has run this lease

The operator changed once, most recently in Dec 2021

Operators of this lease over timeHouston Gulf Energy Corporation, Jan 2020 to Nov 2021; Blue Flame Operating Company LLC, Dec 2021 to Feb 20232020202120222023Changed Dec 2021Houston Gulf Energy Corporati…Jan 2020 to Nov 2021Blue Flame Operating Company…Dec 2021 to now
Operators of this lease over timeHouston Gulf Energy Corporation, Jan 2020 to Nov 2021; Blue Flame Operating Company LLC, Dec 2021 to Feb 20232020202120222023Changed Dec 2021Houston Gulf Energy CorporationJan 2020 to Nov 2021Blue Flame Operating Company LLCDec 2021 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

13 wells on this lease

Wells on SOUTH TEXAS SYNDICATE
API numberWell no.Status
42-311-31789120Active
42-311-317961Active
42-311-31799220Active
42-311-318272020Shut-in
42-311-318733020Shut-in
42-311-318994020Shut-in
42-311-319545020Shut-in
42-311-319836020Shut-in
42-311-319967020Active
42-311-320878020Shut-in
42-311-321121020Shut-in
42-311-321139020Shut-in
42-311-321791120Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Gulfmark Energy, Inc.OilGathers100Jan 1, 2012

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

Who buys my oilOil price check

1,120 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 167 and 1,120 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    13 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for South Texas Syndicate
API numberWell no.Acreson the permit
42-311-3217911201,120
42-311-3211210201,120
42-311-3211390201,120
42-311-3208780201,120
42-311-3199670201,120
42-311-3198360201,120
42-311-3195450201,120
42-311-3189940201,120
42-311-3187330201,120
42-311-3182720201,120
42-311-31799220167
42-311-3179611,120

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for SOUTH TEXAS SYNDICATE
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Feb 2023Blue Flame1560$76.83$2.38
Jan 2023Blue Flame1050$78.12$3.27
Dec 2022Blue Flame1050$76.44$5.53
Nov 2022Blue Flame560$84.37$5.45
Oct 2022Blue Flame1600$87.55$5.66
Sep 2022Blue Flame1400$84.26$7.88
Aug 2022Blue Flame1280$93.67$8.81
Jul 2022Blue Flame1100$101.62$7.28
Jun 2022Blue Flame500$114.84$7.70
May 2022Blue Flame00$109.55$8.14
Apr 2022Blue Flame00$101.78$6.60
Mar 2022Blue Flame00$108.50$4.90
Feb 2022Blue Flame00$91.64$4.69
Jan 2022Blue Flame00$83.22$4.38
Dec 2021Blue Flame00$71.71$3.76
Nov 2021Houston Gulf00$79.15$5.05
Oct 2021Houston Gulf00$81.48$5.51
Sep 2021Houston Gulf00$71.65$5.16
Aug 2021Houston Gulf3250$67.73$4.07
Jul 2021Houston Gulf6180$72.49$3.84
Jun 2021Houston Gulf00$71.38$3.26
May 2021Houston Gulf00$65.17$2.91
Apr 2021Houston Gulf960$61.72$2.66
Mar 2021Houston Gulf1100$62.33$2.62
Feb 2021Houston Gulf00$59.04$5.35
Jan 2021Houston Gulf00$52.00$2.71
Dec 2020Houston Gulf00$47.02$2.58
Nov 2020Houston Gulf00$40.94$2.61
Oct 2020Houston Gulf00$39.40$2.39
Sep 2020Houston Gulf00$39.63$1.92
Aug 2020Houston Gulf00$42.34$2.30
Jul 2020Houston Gulf00$40.71$1.76
Jun 2020Houston Gulf00$38.31$1.63
May 2020Houston Gulf00$28.56$1.75
Apr 2020Houston Gulf00$16.55$1.74
Mar 2020Houston Gulf00$29.21$1.79

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

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Nearby

This lease belongs to

OperatorBlue Flame Operating Company LLCFieldBig Mule (5500 Sand)CountyMcMullen County

Blue Flame Operating Company LLC in McMullen County

No other producing leases from this operator in this county are in our data yet.

Big Mule (5500 Sand) field

No other producing leases in this field are in our data yet.

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Drilling permits within 10 km