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Texas oil lease

Producing

ZAVISCH

Zavisch is an oil lease in McMullen County, Texas, operated by GTG Operating, LLC in the A.w.p. (Olmos) field.

11 wells

1,854bbl oil, last 12 months−13% vs prior year
Operator
GTG Operating, LLC
County
McMullen County
Field
A.w.p. (Olmos)
RRC lease
01-12066

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Where it sits

This county

McMullen CountyMcMullenLA SalleAtascosaKarnesFrioLive OakMcMullen County
McMullen County
Gas, last 12 months
7,993 mcf
Oil in Jun 2026
422 bbl

Production by month

Oil output fell 13% over the last 12 months

Jul 2026 was not reported.

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 13% over the last 12 monthsMonthly oil production and gas for ZAVISCH, Aug 2023 to Jul 2026. Oil output fell 13% over the last 12 months. 1,725 bbl in the 12 months through Jul 2026, against 1,976 bbl in the 12 months before.Last 12 months: 1,725 bblbbl per monthmcf per month001005002001,0003001,5004002,0005002,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 13% over the last 12 monthsMonthly oil production and gas for ZAVISCH, Aug 2023 to Jul 2026. Oil output fell 13% over the last 12 months. 1,725 bbl in the 12 months through Jul 2026, against 1,976 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001005002001,0003001,5004002,0005002,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Oct 2025 the lease's gas goes to lease fuel instead of a transmission line

  • Transmission line (2)
  • Lease fuel (1)
Since Oct 2025 the lease's gas goes to lease fuel instead of a transmission lineShare of ZAVISCH gas by disposition code each month, Aug 2023 to Jul 2026. Since Oct 2025 the lease's gas goes to lease fuel instead of a transmission line.Share of the lease’s gas by disposition code, per month0%50%100%Oct 2025: line to fuelOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Oct 2025 the lease's gas goes to lease fuel instead of a transmission lineShare of ZAVISCH gas by disposition code each month, Aug 2023 to Jul 2026. Since Oct 2025 the lease's gas goes to lease fuel instead of a transmission line.Share of gas by disposition code0%50%100%Oct 25: line to fuelJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Lease fuel (1)

    64% · 5,101 mcf

  • Transmission line (2)

    36% · 2,892 mcf

Who has run this lease

The operator changed once, most recently in May 2020

Operators of this lease over timeClearly Petroleum, LLC, Jan 2020 to Apr 2020; GTG Operating, LLC, May 2020 to Jun 20262020202120222023202420252026Changed May 2020Clearly Petroleum, LLCJan 2020 to Apr 2020GTG Operating, LLCMay 2020 to now
Operators of this lease over timeClearly Petroleum, LLC, Jan 2020 to Apr 2020; GTG Operating, LLC, May 2020 to Jun 20262020202120222023202420252026Changed May 2020Clearly Petroleum, LLCJan 2020 to Apr 2020GTG Operating, LLCMay 2020 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

11 wells on this lease

Wells on ZAVISCH
API numberWell no.Status
42-311-326551Active
42-311-326942Active
42-311-328333Active
42-311-328714Active
42-311-328885Active
42-311-328976Shut-in
42-311-3403912Active
42-311-3404114Active
42-311-3483615Active
42-311-3484816Active
42-311-3524917Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.OilGathers100Mar 1, 2020–
Upstream Energy ServicesCasinghead gasBuys100Mar 1, 2020–
Energy Transfer CompanyCasinghead gasGathers50Mar 1, 2020–
Enterprise Products Operating LLCCasinghead gasGathers50Mar 1, 2020–
Houston Pipe Line Company LPCasinghead gasGathers100Apr 15, 2015Mar 1, 2020
Houston Pipe Line Company LPCasinghead gasBuys100Apr 15, 2015Mar 1, 2020
First River Energy, LLCOilGathers10Oct 1, 2016Mar 1, 2020
Shell Trading (Us) CompanyOilGathers90Apr 15, 2015Mar 1, 2020

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

Who buys my oilOil price check

400 acres on the newest permit

The wells on this lease state different acreage

The permits state between 320 and 720 acres.

11 wells are listed on this lease

Permits for Zavisch
API numberWell no.Acreson the permit
42-311-3524917400
42-311-3484816400
42-311-3483615400
42-311-3404114320
42-311-3403912320
42-311-328976400
42-311-328885400
42-311-328714400
42-311-328333720
42-311-326942720
42-311-326551720

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for ZAVISCH
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report–––––$80.46$2.89
Jun 2026GTG Operating,42278329380$84.81$3.15
May 2026GTG Operating,0814851930$102.13$2.94
Apr 2026GTG Operating,3281075732120$100.32$2.77
Mar 2026GTG Operating,895054751430$91.38$3.04
Feb 2026GTG Operating,93056900$64.51$3.62
Jan 2026GTG Operating,83131410$60.04$7.72
Dec 2025GTG Operating,14817872310$57.97$4.26
Nov 2025GTG Operating,133042110$60.06$3.79
Oct 2025GTG Operating,15001,0864760$60.89$3.19
Sep 2025GTG Operating,1401771,0785650$63.96$2.97
Aug 2025GTG Operating,1391631,0325690$64.86$2.91
Jul 2025GTG Operating,12909086930$68.39$3.20
Jun 2025GTG Operating,1451829086670$68.17$3.02
May 2025GTG Operating,2021491,0666040$62.17$3.12
Apr 2025GTG Operating,1193507867710$63.54$3.42
Mar 2025GTG Operating,1553196746130$68.24$4.12
Feb 2025GTG Operating,1281862842740$71.53$4.19
Jan 2025GTG Operating,1631864514160$75.74$4.13
Dec 2024GTG Operating,19105245070$70.12$3.01
Nov 2024GTG Operating,1763443613580$69.95$2.12
Oct 2024GTG Operating,1931681,0814500$71.99$2.20
Sep 2024GTG Operating,17008125530$70.24$2.28
Aug 2024GTG Operating,2051821,8127740$76.68$1.99
Jul 2024GTG Operating,2001646723820$81.80$2.07
Jun 2024GTG Operating,2271829905990$79.77$2.54
May 2024GTG Operating,2521781,1356520$80.02$2.12
Apr 2024GTG Operating,2705241,4151,0350$85.35$1.60
Mar 2024GTG Operating,2833421,2056930$81.28$1.49
Feb 2024GTG Operating,2311811,5676820$77.25$1.72
Jan 2024GTG Operating,2511641,1536640$74.15$3.18
Dec 2023GTG Operating,2683391,1769690$71.90$2.52
Nov 2023GTG Operating,2731749438930$77.69$2.71
Oct 2023GTG Operating,3496981,2431,1590$85.64$2.98
Sep 2023GTG Operating,36801,6431,6140$89.43$2.64
Aug 2023GTG Operating,4657011,1739930$81.39$2.58

No report filed

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

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This lease belongs to

OperatorGTG Operating, LLCFieldA.w.p. (Olmos)CountyMcMullen County

GTG Operating, LLC in McMullen County

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A.w.p. (Olmos) field

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