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WINTERBOTHAM-TN UNIT ZAV

Winterbotham-TN Unit Zav is an oil lease in Zavala County, Texas, operated by Exco Operating Company, LP in the Briscoe Ranch (Eagleford) field.

1 well

28,259bbl oil, last 12 months−18% vs prior year
Operator
Exco Operating Company, LP
County
Zavala County
Field
Briscoe Ranch (Eagleford)
RRC lease
01-19779

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Where it sits

This county

Zavala CountyZavalaUvaldeKinneyMedinaFrioMaverickZavala County
Zavala County
Gas, last 12 months
15,599 mcf
Oil in Jul 2026
2,211 bbl

Production by month

Oil output fell 18% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 18% over the last 12 monthsMonthly oil production and gas for WINTERBOTHAM-TN UNIT ZAV, Aug 2023 to Jul 2026. Oil output fell 18% over the last 12 months. 28,259 bbl in the 12 months through Jul 2026, against 34,266 bbl in the 12 months before.Last 12 months: 28,259 bblbbl per monthmcf per month001,0002,0002,0004,0003,0006,0004,0008,0005,00010kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 18% over the last 12 monthsMonthly oil production and gas for WINTERBOTHAM-TN UNIT ZAV, Aug 2023 to Jul 2026. Oil output fell 18% over the last 12 months. 28,259 bbl in the 12 months through Jul 2026, against 34,266 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0002,0002,0004,0003,0006,0004,0008,0005,00010kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Dec 2024 the lease's gas goes to a transmission line instead of lease fuel

Flaring peaked at 47.8% of the gas in Jan 2025.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Dec 2024 the lease's gas goes to a transmission line instead of lease fuelShare of WINTERBOTHAM-TN UNIT ZAV gas by disposition code each month, Aug 2023 to Jul 2026. Since Dec 2024 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 47.8% of the gas in Jan 2025.Share of the lease’s gas by disposition code, per month0%50%100%Dec 2024: fuel to lineFlared 47.8%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Dec 2024 the lease's gas goes to a transmission line instead of lease fuelShare of WINTERBOTHAM-TN UNIT ZAV gas by disposition code each month, Aug 2023 to Jul 2026. Since Dec 2024 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 47.8% of the gas in Jan 2025.Share of gas by disposition code0%50%100%Dec 24: fuel to lineFlared 47.8%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    85% · 13,301 mcf

  • Lease fuel (1)

    12% · 1,902 mcf

  • Flared (4)

    2.5% · 396 mcf

2.5% of the gas flared in the last 12 months. 4 months above 3%.

1 well on this lease

Wells on WINTERBOTHAM-TN UNIT ZAV
API numberWell no.Status
42-507-333591HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Harvest Midstream CompanyOilGathers75May 1, 2023–
Eastex Crude Company, LLCOilGathers25Jan 1, 2023–
Raider Marketing, LPCasinghead gasBuys100Jan 1, 2023–
Williams Mlp Operating LLCCasinghead gasGathers100Jan 1, 2023–
Paradigm Midstream Svcs-St, LLCOilGathers75Jan 1, 2023May 1, 2023
Eastex Crude CompanyOilGathers50Aug 25, 2019Jan 1, 2023
Paradigm Midstream Svcs-St, LLCOilGathers50Aug 25, 2019Jan 1, 2023

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

Who buys my oilOil price check

185 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 Winterbotham-TN Unit Zav
API numberWell no.Acreson the permit
42-507-333591H185

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

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36 months, newest first

Ledger for WINTERBOTHAM-TN UNIT ZAV
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262,2112,2115104450$80.46$2.89
Jun 20262,4032,4031,458775325$84.81$3.15
May 20262,2162,2161371210$102.13$2.94
Apr 20261,9971,99740837023$100.32$2.77
Mar 20262,1822,1821,0351,0190$91.38$3.04
Feb 20262,1322,1322662410$64.51$3.62
Jan 20262,4122,4127366950$60.04$7.72
Dec 20252,2222,2221,2781,2470$57.97$4.26
Nov 20252,3362,3361,5811,4950$60.06$3.79
Oct 20252,5132,5131,9411,8830$60.89$3.19
Sep 20252,6422,6421,9081,83648$63.96$2.97
Aug 20252,9932,9934,3413,1740$64.86$2.91
Jul 20253,0473,0472,2192,0360$68.39$3.20
Jun 20253,2903,2904,6463,2880$68.17$3.02
May 20253,3143,3143,9432,183924$62.17$3.12
Apr 20252,8462,8465,7263,922116$63.54$3.42
Mar 20252,7062,7063,2463,0700$68.24$4.12
Feb 20252,4522,4521,8771,7650$71.53$4.19
Jan 20252,8872,8871,165583557$75.74$4.13
Dec 20242,8762,8761,0171,0020$70.12$3.01
Nov 20242,6842,6841500$69.95$2.12
Oct 20242,5262,5261600$71.99$2.20
Sep 20242,5412,5411500$70.24$2.28
Aug 20243,0973,0971500$76.68$1.99
Jul 20243,3423,3421600$81.80$2.07
Jun 20243,3993,3991500$79.77$2.54
May 20243,6223,6221600$80.02$2.12
Apr 20243,5963,5961500$85.35$1.60
Mar 20243,7833,7831600$81.28$1.49
Feb 20243,7173,7172302150$77.25$1.72
Jan 20243,9623,9623213050$74.15$3.18
Dec 20234,3784,3782342180$71.90$2.52
Nov 20234,1914,1911500$77.69$2.71
Oct 20234,4424,4421600$85.64$2.98
Sep 20233,9713,9712590$89.43$2.64
Aug 20234,3754,3751,2849910$81.39$2.58

Flared above 3%

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

OperatorExco Operating Company, LPFieldBriscoe Ranch (Eagleford)CountyZavala County

Exco Operating Company, LP in Zavala County

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Briscoe Ranch (Eagleford) field

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