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ROBERT WALKER UNIT ZAV A

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

1 well

3,999bbl oil, last 12 months−10% vs prior year
Operator
Exco Operating Company, LP
County
Zavala County
Field
Briscoe Ranch (Eagleford)
RRC lease
01-17819

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Where it sits

This county

Zavala CountyZavalaUvaldeKinneyMedinaFrioMaverickZavala County
Zavala County
Gas, last 12 months
1,267 mcf
Oil in Jul 2026
481 bbl

Production by month

Oil output fell 10% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 10% over the last 12 monthsMonthly oil production and gas for ROBERT WALKER UNIT ZAV A, Aug 2023 to Jul 2026. Oil output fell 10% over the last 12 months. 3,999 bbl in the 12 months through Jul 2026, against 4,433 bbl in the 12 months before.Last 12 months: 3,999 bblbbl per monthmcf per month002001,0004002,0006003,0008004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 10% over the last 12 monthsMonthly oil production and gas for ROBERT WALKER UNIT ZAV A, Aug 2023 to Jul 2026. Oil output fell 10% over the last 12 months. 3,999 bbl in the 12 months through Jul 2026, against 4,433 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002001,0004002,0006003,0008004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

  • Transmission line (2)
  • Lease fuel (1)
Since Feb 2025 the lease's gas goes to a transmission line instead of lease fuelShare of ROBERT WALKER UNIT ZAV A gas by disposition code each month, Aug 2023 to Jul 2026. Since Feb 2025 the lease's gas goes to a transmission line instead of lease fuel.Share of the lease’s gas by disposition code, per month0%50%100%Feb 2025: fuel to lineOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Feb 2025 the lease's gas goes to a transmission line instead of lease fuelShare of ROBERT WALKER UNIT ZAV A gas by disposition code each month, Aug 2023 to Jul 2026. Since Feb 2025 the lease's gas goes to a transmission line instead of lease fuel.Share of gas by disposition code0%50%100%Feb 25: fuel to lineJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    87% · 1,263 mcf

  • Lease fuel (1)

    13% · 181 mcf

1 well on this lease

Wells on ROBERT WALKER UNIT ZAV A
API numberWell no.Status
42-507-331537HActive

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, 2017–
Williams Mlp Operating LLCCasinghead gasGathers100Oct 1, 2015–
Paradigm Midstream Svcs-St, LLCOilGathers75Jan 1, 2023May 1, 2023
Chesapeake Energy Mktg, L.l.c.OilGathers10Sep 1, 2015Jan 1, 2023
Eastex Crude CompanyOilGathers45Jan 1, 2017Jan 1, 2023
Paradigm Midstream Svcs-St, LLCOilGathers45Jan 1, 2017Jan 1, 2023

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

Who buys my oilOil price check

640 acres on the newest permit

Check your decimal on this lease
Permits for Robert Walker Unit Zav A
API numberWell no.Acreson the permit
42-507-331537H640

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

Unit decimal checker

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36 months, newest first

Ledger for ROBERT WALKER UNIT ZAV A
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20264814811531370$80.46$2.89
Jun 202654954961470$84.81$3.15
May 202600000$102.13$2.94
Apr 202623223268540$100.32$2.77
Mar 202635735791750$91.38$3.04
Feb 202636436470560$64.51$3.62
Jan 202632332384690$60.04$7.72
Dec 202526226236210$57.97$4.26
Nov 202531631632180$60.06$3.79
Oct 20253683682262100$60.89$3.19
Sep 20253643642081930$63.96$2.97
Aug 20253833832382220$64.86$2.91
Jul 20253743741771610$68.39$3.20
Jun 20253933931471320$68.17$3.02
May 202538838884680$62.17$3.12
Apr 2025392392112970$63.54$3.42
Mar 202544144140240$68.24$4.12
Feb 202556556528140$71.53$4.19
Jan 20257347341400$75.74$4.13
Dec 202400000$70.12$3.01
Nov 2024202027260$69.95$2.12
Oct 202425725791760$71.99$2.20
Sep 2024440440115990$70.24$2.28
Aug 2024429429101760$76.68$1.99
Jul 20242282281000$81.80$2.07
Jun 202443243260450$79.77$2.54
May 202437137178630$80.02$2.12
Apr 202424124169550$85.35$1.60
Mar 20243073071241140$81.28$1.49
Feb 20244034032532400$77.25$1.72
Jan 20245915911,4561,4220$74.15$3.18
Dec 20236406402,4032,3050$71.90$2.52
Nov 20236036032,7242,0220$77.69$2.71
Oct 20236156152,4952,2780$85.64$2.98
Sep 20236056052,2452,1310$89.43$2.64
Aug 20236286282,2542,0670$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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Nearby

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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