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Texas oil lease

Producing

MACK 8

Mack 8 is an oil lease in Glasscock County, Texas, operated by Apache Corporation in the Garden City, S. (Wolfcamp) field.

1 well

2,057bbl oil, last 12 months+41% vs prior year
Operator
Apache Corporation
County
Glasscock County
Field
Garden City, S. (Wolfcamp)
RRC lease
08-42063

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Where it sits

This county

Glasscock CountyGlasscockMitchellMartinSterlingMidlandHowardGlasscock County
Glasscock County
Gas, last 12 months
5,525 mcf
Oil in Jul 2026
231 bbl

Production by month

Oil output rose 41% over the last 12 months

Jun 2026 was not reported.

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 41% over the last 12 monthsMonthly oil production and gas for MACK 8, Aug 2023 to Jul 2026. Oil output rose 41% over the last 12 months. 1,893 bbl in the 12 months through Jul 2026, against 1,347 bbl in the 12 months before.Last 12 months: 1,893 bblbbl per monthmcf per month00502001004001506002008002501,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 41% over the last 12 monthsMonthly oil production and gas for MACK 8, Aug 2023 to Jul 2026. Oil output rose 41% over the last 12 months. 1,893 bbl in the 12 months through Jul 2026, against 1,347 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00502001004001506002008002501,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

96% of the gas went to a processing plant in the last 12 months

Flaring peaked at 39.5% of the gas in May 2025.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
96% of the gas went to a processing plant in the last 12 monthsShare of MACK 8 gas by disposition code each month, Aug 2023 to Jul 2026. 96% of the gas went to a processing plant in the last 12 months. Flaring peaked at 39.5% of the gas in May 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 39.5%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
96% of the gas went to a processing plant in the last 12 monthsShare of MACK 8 gas by disposition code each month, Aug 2023 to Jul 2026. 96% of the gas went to a processing plant in the last 12 months. Flaring peaked at 39.5% of the gas in May 2025.Share of gas by disposition code0%50%100%Flared 39.5%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    96% · 5,317 mcf

  • Flared (4)

    3.8% · 208 mcf

3.8% of the gas flared in the last 12 months. 4 months above 3%.

1 well on this lease

Wells on MACK 8
API numberWell no.Status
42-173-343222HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Plains Marketing, L.p.OilGathers50Apr 1, 2014–
Energy Trans Crude Marketing LLCOilGathers25Jul 1, 2021–
Sunoco Pipeline L.p.OilGathers25Jul 1, 2021–
Apache CorporationCasinghead gasBuys50Jun 1, 2013–
Targa Pl Mid-Cont Westtex LLCCasinghead gasBuys50Nov 1, 2015–
Apache CorporationCasinghead gasGathers100Jun 1, 2013–
Sunoco Pipeline L.p.OilGathers50Apr 1, 2014Jul 1, 2021

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

Who buys my oilOil price check

626.20 acres on the newest permit

Permits for Mack 8
API numberWell no.Acreson the permit
42-173-343222H626.20

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

Unit decimal checker

What APA Corporation told investors it received

Apache Corporation is linked to APA Corporation (APA).
Realized prices reported by APA Corporation
QuarterOil$ per bblFiling
Q2 2026$98.24SEC filing
Q1 2026$78.69SEC filing
Q4 2025$61.03SEC filing
Q3 2025$67.43SEC filing
Q2 2025$65.58SEC filing
Q1 2025$73.73SEC filing

SourceAPA Corporation quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for MACK 8
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262312244314310$80.46$2.89
Jun 2026No report filed–––––$84.81$3.15
May 20261911884594536$102.13$2.94
Apr 202616116147939287$100.32$2.77
Mar 202615615548344934$91.38$3.04
Feb 20261411424284280$64.51$3.62
Jan 20262012004354350$60.04$7.72
Dec 20251821824834758$57.97$4.26
Nov 202515616040035050$60.06$3.79
Oct 202516416149548114$60.89$3.19
Sep 20251571554714692$63.96$2.97
Aug 20251531534734685$64.86$2.91
Jul 20251641634884862$68.39$3.20
Jun 20251931934814756$68.17$3.02
May 2025177176314190124$62.17$3.12
Apr 202533702422420$63.54$3.42
Mar 20251111455285280$68.24$4.12
Feb 202599675023900$71.53$4.19
Jan 202588954753510$75.74$4.13
Dec 202483765644364$70.12$3.01
Nov 2024132915864660$69.95$2.12
Oct 202448875254010$71.99$2.20
Sep 2024971084484480$70.24$2.28
Aug 20241221115035030$76.68$1.99
Jul 202411512250248814$81.80$2.07
Jun 202497945055050$79.77$2.54
May 20241231064734730$80.02$2.12
Apr 20241101334404400$85.35$1.60
Mar 20241221144334330$81.28$1.49
Feb 202489875264100$77.25$1.72
Jan 20241021124913670$74.15$3.18
Dec 20231161085574330$71.90$2.52
Nov 202387925524311$77.69$2.71
Oct 202374495134210$85.64$2.98
Sep 2023911134334321$89.43$2.64
Aug 2023102994544540$81.39$2.58

No report filed Flared above 3%

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

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Nearby

This lease belongs to

OperatorApache CorporationFieldGarden City, S. (Wolfcamp)CountyGlasscock County

Apache Corporation in Glasscock County

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Garden City, S. (Wolfcamp) field

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