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Texas gas well

Producing

GULF-MESA SAPPINGTON

Gulf-Mesa Sappington is a gas well in Hemphill County, Texas, operated by Mountainside Energy Operating, L in the Hemphill (Granite Wash.) field.

1 well

405mcf gas, last 12 months−10% vs prior year
Operator
Mountainside Energy Operating, L
County
Hemphill County
Field
Hemphill (Granite Wash.)
RRC lease
10-067476

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Where it sits

This county

Hemphill CountyHemphillLipscombRobertsOchiltreeHemphill County
Hemphill County
Gas in Jun 2026
7 mcf
Reporting since
Jan 2020

Checks stopped on this lease?

  • Operator

    Operator changed: Mountainside Energy Operating, L took over from Highmark Energy Operating, LLC in Feb 2026.

  • Buyer

    Buyer changed: SUPERIOR MIDSTREAM TEXAS, LLC replaced SUPERIOR PIPELINE COMPANY,L.L.C. as the buyer of this lease's gas from gas wells on Feb 4, 2026.

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

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Production by month

Gas output fell 10% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Last 12 months
Gas output fell 10% over the last 12 monthsMonthly gas production for GULF-MESA SAPPINGTON, Aug 2023 to Jul 2026. Gas output fell 10% over the last 12 months. 369 mcf in the 12 months through Jul 2026, against 410 mcf in the 12 months before.Last 12 months: 369 mcfmcf per month020406080Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 10% over the last 12 monthsMonthly gas production for GULF-MESA SAPPINGTON, Aug 2023 to Jul 2026. Gas output fell 10% over the last 12 months. 369 mcf in the 12 months through Jul 2026, against 410 mcf in the 12 months before.Last 12 monthsmcf per month020406080Jan 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 GULF-MESA SAPPINGTON 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 GULF-MESA SAPPINGTON 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 2 times, most recently in Feb 2026

Operators of this lease over timePantera Energy Company, Jan 2020 to Jul 2021; Highmark Energy Operating, LLC, Aug 2021 to Jan 2026; Mountainside Energy Operating, L, Feb 2026 to Jun 20262020202120222023202420252026Changed Aug 2021Changed Feb 2026Pantera Energy CompanyJan 2020 to Jul 2021Highmark Energy Operating, LLCAug 2021 to Jan 2026Mountainside Energy Operating…Feb 2026 to now
Operators of this lease over timePantera Energy Company, Jan 2020 to Jul 2021; Highmark Energy Operating, LLC, Aug 2021 to Jan 2026; Mountainside Energy Operating, L, Feb 2026 to Jun 20262020202120222023202420252026Changed Aug 2021Changed Feb 2026Pantera Energy CompanyJan 2020 to Jul 2021Highmark Energy Operating, LLCAug 2021 to Jan 2026Mountainside Energy Operating, LFeb 2026 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on GULF-MESA SAPPINGTON
API numberWell no.Status
42-211-306142Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Mission Petroleum Carriers, Inc.CondensateGathers100Aug 1, 2021–
Superior Midstream Texas, LLCGas-well gasBuys100Feb 4, 2026–
Superior Midstream Texas, LLCGas-well gasGathers100Feb 4, 2026–
Superior Pipeline Company,l.l.c.Gas-well gasGathers100Aug 1, 2021Feb 4, 2026
Superior Pipeline Company,l.l.c.Gas-well gasBuys100Aug 1, 2021Feb 4, 2026
Valero Marketing and Supply Co.CondensateGathers100Jan 1, 2003Aug 1, 2021
Chevron U. S. A. Inc.Gas-well gasGathers50Mar 1, 1998Aug 1, 2021
Enervest Operating, L.l.c.Gas-well gasGathers50Apr 1, 2000Aug 1, 2021
Chevron U. S. A. Inc.Gas-well gasBuys100Jan 1, 1991Aug 1, 2021

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

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What the drilling permits say

  • Good to know

    The state has no unit acreage for this lease

    Ask the operator for the acreage on your well's division order and unit plat.

Check your decimal on this lease
Permits for Gulf-Mesa Sappington
API numberWell no.Acreson the permit
42-211-306142–

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

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36 months, newest first

Ledger for GULF-MESA SAPPINGTON
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report–––$80.46$2.89
Jun 2026Mountainside Energy770$84.81$3.15
May 2026Mountainside Energy22220$102.13$2.94
Apr 2026Mountainside Energy29290$100.32$2.77
Mar 2026Mountainside Energy41410$91.38$3.04
Feb 2026Mountainside Energy31310$64.51$3.62
Jan 2026Highmark Energy72720$60.04$7.72
Dec 2025Highmark Energy30300$57.97$4.26
Nov 2025Highmark Energy27270$60.06$3.79
Oct 2025Highmark Energy34340$60.89$3.19
Sep 2025Highmark Energy42420$63.96$2.97
Aug 2025Highmark Energy34340$64.86$2.91
Jul 2025Highmark Energy36360$68.39$3.20
Jun 2025Highmark Energy38380$68.17$3.02
May 2025Highmark Energy39390$62.17$3.12
Apr 2025Highmark Energy43430$63.54$3.42
Mar 2025Highmark Energy34340$68.24$4.12
Feb 2025Highmark Energy35350$71.53$4.19
Jan 2025Highmark Energy46460$75.74$4.13
Dec 2024Highmark Energy41410$70.12$3.01
Nov 2024Highmark Energy25250$69.95$2.12
Oct 2024Highmark Energy23230$71.99$2.20
Sep 2024Highmark Energy27270$70.24$2.28
Aug 2024Highmark Energy23230$76.68$1.99
Jul 2024Highmark Energy20200$81.80$2.07
Jun 2024Highmark Energy25250$79.77$2.54
May 2024Highmark Energy24240$80.02$2.12
Apr 2024Highmark Energy30300$85.35$1.60
Mar 2024Highmark Energy41410$81.28$1.49
Feb 2024Highmark Energy38380$77.25$1.72
Jan 2024Highmark Energy46460$74.15$3.18
Dec 2023Highmark Energy58580$71.90$2.52
Nov 2023Highmark Energy60600$77.69$2.71
Oct 2023Highmark Energy57570$85.64$2.98
Sep 2023Highmark Energy49490$89.43$2.64
Aug 2023Highmark Energy45450$81.39$2.58

No report filed

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

OperatorMountainside Energy Operating, LFieldHemphill (Granite Wash.)CountyHemphill County

Mountainside Energy Operating, L in Hemphill County

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