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Texas gas well

Producing

STERLING GU SAG

Sterling Gu Sag is a gas well in San Augustine County, Texas, operated by Rockcliff Energy Operating III in the Carthage (Haynesville Shale) field.

1 well

11,343mcf gas, last 12 months+29% vs prior year
Operator
Rockcliff Energy Operating III
County
San Augustine County
Field
Carthage (Haynesville Shale)
RRC lease
06-263553

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Where it sits

This county

San Augustine CountySan AugustineNacogdochesShelbySabineAngelinaSan Augustine County
San Augustine County
Gas in Jul 2026
1,875 mcf
Reporting since
Jan 2020

Checks stopped on this lease?

  • Operator

    Operator changed: Rockcliff Energy Operating III took over from Shelby Boswell Operator, LLC in Jan 2026.

  • Buyer

    Buyer changed: MIDCOAST PIPELINES (E TX) L.P. replaced SHELBY BOSWELL OPERATOR, LLC as the buyer of this lease's gas from gas wells on Jan 22, 2026.

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

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Production by month

Gas output rose 29% over the last 12 months

  • Gas (bars)
  • Last 12 months
Gas output rose 29% over the last 12 monthsMonthly gas production for STERLING GU SAG, Aug 2023 to Jul 2026. Gas output rose 29% over the last 12 months. 11,343 mcf in the 12 months through Jul 2026, against 8,818 mcf in the 12 months before.Last 12 months: 11,343 mcfmcf per month05001,0001,5002,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 29% over the last 12 monthsMonthly gas production for STERLING GU SAG, Aug 2023 to Jul 2026. Gas output rose 29% over the last 12 months. 11,343 mcf in the 12 months through Jul 2026, against 8,818 mcf in the 12 months before.Last 12 monthsmcf per month05001,0001,5002,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

All of the gas went to a transmission line in the last 12 monthsShare of STERLING GU SAG gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a transmission line in the last 12 monthsShare of STERLING GU SAG gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Who has run this lease

The operator changed once, most recently in Jan 2026

Operators of this lease over timeShelby Boswell Operator, LLC, Jan 2020 to Dec 2025; Rockcliff Energy Operating III, Jan 2026 to Jul 20262020202120222023202420252026Changed Jan 2026Shelby Boswell Operator, LLCJan 2020 to Dec 2025Rockcliff Energy Operating IIIJan 2026 to now
Operators of this lease over timeShelby Boswell Operator, LLC, Jan 2020 to Dec 2025; Rockcliff Energy Operating III, Jan 2026 to Jul 20262020202120222023202420252026Changed Jan 2026Shelby Boswell Operator, LLCJan 2020 to Dec 2025Rockcliff Energy Operating IIIJan 2026 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on STERLING GU SAG
API numberWell no.Status
42-405-304671HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Midcoast Pipelines (E Tx) L.p.Gas-well gasBuys100Jan 22, 2026–
Midcoast Pipelines (E Tx) L.p.Gas-well gasGathers100Feb 1, 2019–
Shelby Boswell Operator, LLCGas-well gasBuys100Jun 1, 2019Jan 22, 2026
Chesapeake Energy Mktg, L.l.c.Gas-well gasBuys100Sep 1, 2015Jun 1, 2019
Enbridge Pipelines (E. Tx) L.p.Gas-well gasGathers100Apr 20, 2012Feb 1, 2019

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

Who buys my oilOil price check

420.90 acres on the newest permit

  • 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 Sterling Gu Sag
API numberWell no.Acreson the permit
42-405-304671H420.90

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

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36 months, newest first

Ledger for STERLING GU SAG
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Rockcliff Energy1,8751,8750$80.46$2.89
Jun 2026Rockcliff Energy6186180$84.81$3.15
May 2026Rockcliff Energy1,7911,7910$102.13$2.94
Apr 2026Rockcliff Energy6406400$100.32$2.77
Mar 2026Rockcliff Energy4894890$91.38$3.04
Feb 2026Rockcliff Energy5245240$64.51$3.62
Jan 2026Rockcliff Energy6026020$60.04$7.72
Dec 2025Shelby Boswell1,1071,1070$57.97$4.26
Nov 2025Shelby Boswell5425420$60.06$3.79
Oct 2025Shelby Boswell8008000$60.89$3.19
Sep 2025Shelby Boswell1,5281,5280$63.96$2.97
Aug 2025Shelby Boswell8278270$64.86$2.91
Jul 2025Shelby Boswell7487480$68.39$3.20
Jun 2025Shelby Boswell8348340$68.17$3.02
May 2025Shelby Boswell4604600$62.17$3.12
Apr 2025Shelby Boswell4794790$63.54$3.42
Mar 2025Shelby Boswell8838830$68.24$4.12
Feb 2025Shelby Boswell1,0801,0800$71.53$4.19
Jan 2025Shelby Boswell1,2571,2570$75.74$4.13
Dec 2024Shelby Boswell1081080$70.12$3.01
Nov 2024Shelby Boswell6946940$69.95$2.12
Oct 2024Shelby Boswell7407400$71.99$2.20
Sep 2024Shelby Boswell6326320$70.24$2.28
Aug 2024Shelby Boswell9039030$76.68$1.99
Jul 2024Shelby Boswell1,2931,2930$81.80$2.07
Jun 2024Shelby Boswell6326320$79.77$2.54
May 2024Shelby Boswell6526520$80.02$2.12
Apr 2024Shelby Boswell7077070$85.35$1.60
Mar 2024Shelby Boswell7347340$81.28$1.49
Feb 2024Shelby Boswell7957950$77.25$1.72
Jan 2024Shelby Boswell6106100$74.15$3.18
Dec 2023Shelby Boswell5755750$71.90$2.52
Nov 2023Shelby Boswell6246240$77.69$2.71
Oct 2023Shelby Boswell3973970$85.64$2.98
Sep 2023Shelby Boswell5045040$89.43$2.64
Aug 2023Shelby Boswell6256250$81.39$2.58

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

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This lease belongs to

OperatorRockcliff Energy Operating IIIFieldCarthage (Haynesville Shale)CountySan Augustine County

Rockcliff Energy Operating III in San Augustine County

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