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Texas oil lease

Producing

ZRZAVY UNIT

Zrzavy Unit is an oil lease in Frio County, Texas, operated by Javelin Energy Partners Mgmt LLC in the Briscoe Ranch (Eagleford) field.

9 wells

37,341bbl oil, last 12 months+11% vs prior year
RRC lease
01-18191

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Where it sits

This county

Frio CountyFrioZavalaAtascosaUvaldeMedinaBexarFrio County
Frio County
Gas, last 12 months
10,692 mcf
Oil in Jul 2026
7,441 bbl

Production by month

Oil output rose 11% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 11% over the last 12 monthsMonthly oil production and gas for ZRZAVY UNIT, Aug 2023 to Jul 2026. Oil output rose 11% over the last 12 months. 37,341 bbl in the 12 months through Jul 2026, against 33,730 bbl in the 12 months before.Last 12 months: 37,341 bblbbl per monthmcf per month005,0001,00010k2,00015k3,00020k4,00025k5,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 11% over the last 12 monthsMonthly oil production and gas for ZRZAVY UNIT, Aug 2023 to Jul 2026. Oil output rose 11% over the last 12 months. 37,341 bbl in the 12 months through Jul 2026, against 33,730 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005,0001,00010k2,00015k3,00020k4,00025k5,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

Flaring peaked at 43.1% of the gas in Aug 2023.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Mar 2024 the lease's gas goes to a transmission line instead of lease fuelShare of ZRZAVY UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2024 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 43.1% of the gas in Aug 2023.Share of the lease’s gas by disposition code, per month0%50%100%Mar 2024: fuel to lineFlared 43.1%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Mar 2024 the lease's gas goes to a transmission line instead of lease fuelShare of ZRZAVY UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2024 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 43.1% of the gas in Aug 2023.Share of gas by disposition code0%50%100%Mar 24: fuel to lineFlared 43.1%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    87% · 9,336 mcf

  • Flared (4)

    7.2% · 775 mcf

  • Lease fuel (1)

    5.4% · 581 mcf

7.2% of the gas flared in the last 12 months. 20 months above 3%.

Who has run this lease

The operator changed once, most recently in Apr 2022

Operators of this lease over timeVenado Operating Company LLC, Jan 2020 to Mar 2022; Javelin Energy Partners Mgmt LLC, Apr 2022 to Jul 20262020202120222023202420252026Changed Apr 2022Venado Operating Company LLCJan 2020 to Mar 2022Javelin Energy Partners Mgmt…Apr 2022 to now
Operators of this lease over timeVenado Operating Company LLC, Jan 2020 to Mar 2022; Javelin Energy Partners Mgmt LLC, Apr 2022 to Jul 20262020202120222023202420252026Changed Apr 2022Venado Operating Company LLCJan 2020 to Mar 2022Javelin Energy Partners Mgmt LLCApr 2022 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

9 wells on this lease

Wells on ZRZAVY UNIT
API numberWell no.Status
42-163-337631HShut-in
42-163-337642HShut-in
42-163-337853HActive
42-163-337864HShut-in
42-163-337875HActive
42-163-337886HShut-in
42-163-340097HShut-in
42-163-340108HActive
42-163-34322A302Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Plains Marketing, L.p.OilGathers80Aug 1, 2026–
Harvest Marketing & Trading, LLCOilGathers10Dec 1, 2023–
Shell Trading (Us) CompanyOilGathers10Aug 1, 2026–
Crescent Energy Marketing, LLCCasinghead gasBuys100Aug 1, 2026–
Targa Midstream Services LLCCasinghead gasGathers100Jan 1, 2023–
Javelin Marketing, LLCCasinghead gasBuys100Dec 1, 2023Aug 1, 2026
Enterprise Crude Oil LLCOilGathers10Dec 1, 2023Aug 1, 2026
Shell Trading (Us) CompanyOilGathers80Dec 1, 2023Aug 1, 2026
Tenaska Marketing VenturesCasinghead gasBuys100Jan 1, 2023Dec 1, 2023
Eastex Crude Company, LLCOilGathers100Jan 1, 2023Dec 1, 2023
Bp Products North America Inc.OilGathers20Oct 30, 2019Jan 1, 2023

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

820.32 acres on the newest permit

9 wells are listed on this lease

Permits for Zrzavy Unit
API numberWell no.Acreson the permit
42-163-34322A302820.32
42-163-340097H820.32
42-163-340108H820.32
42-163-337631H820.32
42-163-337875H820.32
42-163-337853H820.32
42-163-337864H820.32
42-163-337886H820.32
42-163-337642H820.32

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

Estimate your royalty

36 months, newest first

Ledger for ZRZAVY UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Javelin Energy7,4417,4897357200$80.46$2.89
Jun 2026Javelin Energy7,2356,97115411129$84.81$3.15
May 2026Javelin Energy4,5974,6223193080$102.13$2.94
Apr 2026Javelin Energy5,1425,2425454283$100.32$2.77
Mar 2026Javelin Energy1,8491,73082062054$91.38$3.04
Feb 2026Javelin Energy1,4081,41960650333$64.51$3.62
Jan 2026Javelin Energy1,2881,2931,1401,10423$60.04$7.72
Dec 2025Javelin Energy1,2141,2439088696$57.97$4.26
Nov 2025Javelin Energy1,5101,6061,3561,3282$60.06$3.79
Oct 2025Javelin Energy1,7401,5971,3651,32633$60.89$3.19
Sep 2025Javelin Energy1072611,3551,27643$63.96$2.97
Aug 2025Javelin Energy3,8103,7931,389743549$64.86$2.91
Jul 2025Javelin Energy3,1913,2141,2621,2060$68.39$3.20
Jun 2025Javelin Energy4,1234,0861,1101,0370$68.17$3.02
May 2025Javelin Energy2,1122,14075671339$62.17$3.12
Apr 2025Javelin Energy3,6843,6551,02099519$63.54$3.42
Mar 2025Javelin Energy2,6762,6911,3501,3450$68.24$4.12
Feb 2025Javelin Energy1,6341,6481,2811,25912$71.53$4.19
Jan 2025Javelin Energy2,0742,0311,4081,36326$75.74$4.13
Dec 2024Javelin Energy3,0333,0191,5911,406173$70.12$3.01
Nov 2024Javelin Energy1,9812,0051,6171,58117$69.95$2.12
Oct 2024Javelin Energy2,9632,9351,8121,73940$71.99$2.20
Sep 2024Javelin Energy2,5302,5371,6091,472103$70.24$2.28
Aug 2024Javelin Energy3,7293,7451,3941,203167$76.68$1.99
Jul 2024Javelin Energy4,2234,2102,3892,075276$81.80$2.07
Jun 2024Javelin Energy4,3404,3571,6311,166438$79.77$2.54
May 2024Javelin Energy3,7393,8551,9161,247649$80.02$2.12
Apr 2024Javelin Energy6,0955,9821,7451,144570$85.35$1.60
Mar 2024Javelin Energy1,9992,0461,262895323$81.28$1.49
Feb 2024Javelin Energy1,8731,9342,4087655$77.25$1.72
Jan 2024Javelin Energy8,1948,2063,98662846$74.15$3.18
Dec 2023Javelin Energy1,7381,8714,94394165$71.90$2.52
Nov 2023Javelin Energy11,53111,4092,411100865$77.69$2.71
Oct 2023Javelin Energy10,41210,3811,664324572$85.64$2.98
Sep 2023Javelin Energy9,8799,78498993391$89.43$2.64
Aug 2023Javelin Energy14,31614,9101,912319824$81.39$2.58

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

Javelin Energy Partners Mgmt LLC in Frio County

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Briscoe Ranch (Eagleford) field

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