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Texas oil lease

Producing

ZR UNIT "D"

ZR Unit "D" is an oil lease in McMullen County, Texas, operated by Varas Energy Operating Company, in the A.w.p. (Olmos) field.

2 wells

609bbl oil, last 12 months−14% vs prior year
RRC lease
01-14217

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Where it sits

This county

McMullen CountyMcMullenLa SalleAtascosaKarnesFrioLive OakMcMullen County
McMullen County
Gas, last 12 months
3,873 mcf
Oil in Jul 2026
50 bbl

Production by month

Oil output fell 14% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 14% over the last 12 monthsMonthly oil production and gas for ZR UNIT "D", Aug 2023 to Jul 2026. Oil output fell 14% over the last 12 months. 609 bbl in the 12 months through Jul 2026, against 707 bbl in the 12 months before.Last 12 months: 609 bblbbl per monthmcf per month0050200100400150600200800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 14% over the last 12 monthsMonthly oil production and gas for ZR UNIT "D", Aug 2023 to Jul 2026. Oil output fell 14% over the last 12 months. 609 bbl in the 12 months through Jul 2026, against 707 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0050200100400150600200800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

All of the gas went to a processing plant in the last 12 monthsShare of ZR UNIT "D" gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant 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 processing plant in the last 12 monthsShare of ZR UNIT "D" gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant 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 once, most recently in Jan 2025

Operators of this lease over timeEl Dorado Gas & Oil, Inc., Jan 2020 to Dec 2024; Varas Energy Operating Company,, Jan 2025 to Jul 20262020202120222023202420252026Changed Jan 2025El Dorado Gas & Oil, Inc.Jan 2020 to Dec 2024Varas Energy Operating Compan…Jan 2025 to now
Operators of this lease over timeEl Dorado Gas & Oil, Inc., Jan 2020 to Dec 2024; Varas Energy Operating Company,, Jan 2025 to Jul 20262020202120222023202420252026Changed Jan 2025El Dorado Gas & Oil, Inc.Jan 2020 to Dec 2024Varas Energy Operating Company,Jan 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on ZR UNIT "D"
API numberWell no.Status
42-311-334757Active
42-311-334778Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Trafigura Trading LLCOilGathers34Jan 1, 2025–
Enterprise Crude Oil LLCOilGathers33Jan 1, 2025–
Plains Marketing, L.p.OilGathers33Jan 1, 2025–
Varas Energy Operating Company,Casinghead gasBuys100Jan 1, 2025–
Targa Southtex Ccng Gathering LtCasinghead gasGathers100Jan 1, 2025–
Southcross Ccng Gathering Ltd.Casinghead gasGathers100Jan 1, 2018Jan 1, 2025
El Dorado Gas & Oil, Inc.Casinghead gasBuys100Jan 1, 2018Jan 1, 2025
Bp Products North America Inc.OilGathers17Jan 1, 2018Jan 1, 2025
Enterprise Crude Oil LLCOilGathers17Jan 1, 2018Jan 1, 2025
Flint Hills Resources, LPOilGathers17Jan 1, 2018Jan 1, 2025
Plains Marketing, L.p.OilGathers17Jan 1, 2018Jan 1, 2025

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

400 acres on the newest permit

A pooling certificate was filed

Permits for ZR Unit "D"
API numberWell no.Acreson the permit
42-311-334757400
42-311-334778400

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

Estimate your royalty

36 months, newest first

Ledger for ZR UNIT "D"
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Varas Energy50981531530$80.46$2.89
Jun 2026Varas Energy86763283280$84.81$3.15
May 2026Varas Energy002942940$102.13$2.94
Apr 2026Varas Energy3301141140$100.32$2.77
Mar 2026Varas Energy521023713710$91.38$3.04
Feb 2026Varas Energy5202932930$64.51$3.62
Jan 2026Varas Energy491092392390$60.04$7.72
Dec 2025Varas Energy731083443440$57.97$4.26
Nov 2025Varas Energy8305825820$60.06$3.79
Oct 2025Varas Energy63695095090$60.89$3.19
Sep 2025Varas Energy68853843840$63.96$2.97
Aug 2025Varas Energy002622620$64.86$2.91
Jul 2025Varas Energy00000$68.39$3.20
Jun 2025Varas Energy74992642640$68.17$3.02
May 2025Varas Energy117952952950$62.17$3.12
Apr 2025Varas Energy3805185180$63.54$3.42
Mar 2025Varas Energy39372162160$68.24$4.12
Feb 2025Varas Energy31463123120$71.53$4.19
Jan 2025Varas Energy31582182180$75.74$4.13
Dec 2024El Dorado57782232230$70.12$3.01
Nov 2024El Dorado4202672670$69.95$2.12
Oct 2024El Dorado102744104100$71.99$2.20
Sep 2024El Dorado63842842840$70.24$2.28
Aug 2024El Dorado1131102452450$76.68$1.99
Jul 2024El Dorado55561841840$81.80$2.07
Jun 2024El Dorado811212402400$79.77$2.54
May 2024El Dorado133743273270$80.02$2.12
Apr 2024El Dorado00000$85.35$1.60
Mar 2024El Dorado00000$81.28$1.49
Feb 2024El Dorado00000$77.25$1.72
Jan 2024El Dorado00000$74.15$3.18
Dec 2023El Dorado043000$71.90$2.52
Nov 2023El Dorado00000$77.69$2.71
Oct 2023El Dorado00000$85.64$2.98
Sep 2023El Dorado1901081080$89.43$2.64
Aug 2023El Dorado549480800$81.39$2.58

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

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Nearby

Varas Energy Operating Company, in McMullen County

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A.w.p. (Olmos) field

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