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Producing

ZELLA CROMWELL RANCH

Zella Cromwell Ranch is an oil lease in La Salle County, Texas, operated by Javelin Energy Partners Mgmt LLC in the Eagleville (Eagle Ford-1) field.

4 wells

17,340bbl oil, last 12 months−32% vs prior year
Operator
Javelin Energy Partners Mgmt LLC
County
La Salle County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-15351

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Where it sits

This county

La Salle CountyLa SalleZavalaAtascosaMcMullenDimmitFrioLa Salle County
La Salle County
Gas, last 12 months
19,422 mcf
Oil in Jul 2026
2,587 bbl

Checks stopped on this lease?

  • Buyer

    Buyer changed: CRESCENT ENERGY MARKETING, LLC replaced JAVELIN MARKETING, LLC as the buyer of this lease's gas from oil wells on Aug 1, 2026.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output fell 32% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 32% over the last 12 monthsMonthly oil production and gas for ZELLA CROMWELL RANCH, Aug 2023 to Jul 2026. Oil output fell 32% over the last 12 months. 17,340 bbl in the 12 months through Jul 2026, against 25,387 bbl in the 12 months before.Last 12 months: 17,340 bblbbl per monthmcf per month001,0001,0002,0002,0003,0003,0004,0004,0005,0005,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 32% over the last 12 monthsMonthly oil production and gas for ZELLA CROMWELL RANCH, Aug 2023 to Jul 2026. Oil output fell 32% over the last 12 months. 17,340 bbl in the 12 months through Jul 2026, against 25,387 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0001,0002,0002,0003,0003,0004,0004,0005,0005,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

95% of the gas went to a transmission line in the last 12 months

Flaring peaked at 40.8% of the gas in Jan 2024.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
95% of the gas went to a transmission line in the last 12 monthsShare of ZELLA CROMWELL RANCH gas by disposition code each month, Aug 2023 to Jul 2026. 95% of the gas went to a transmission line in the last 12 months. Flaring peaked at 40.8% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 40.8%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
95% of the gas went to a transmission line in the last 12 monthsShare of ZELLA CROMWELL RANCH gas by disposition code each month, Aug 2023 to Jul 2026. 95% of the gas went to a transmission line in the last 12 months. Flaring peaked at 40.8% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Flared 40.8%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    95% · 18,476 mcf

  • Flared (4)

    2.7% · 521 mcf

  • Lease fuel (1)

    2.2% · 425 mcf

2.7% of the gas flared in the last 12 months. 6 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.

4 wells on this lease

Wells on ZELLA CROMWELL RANCH
API numberWell no.Status
42-283-323231Shut-in
42-283-323772Shut-in
42-283-338913HActive
42-283-339084HActive

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).

Who buys my oilOil price check

1,278.85 acres on the newest permit

Check your decimal on this lease
Permits for Zella Cromwell Ranch
API numberWell no.Acreson the permit
42-283-339084H1,278.85
42-283-338913H1,278.85
42-283-3237721,278.85
42-283-3232311,278.85

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

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36 months, newest first

Ledger for ZELLA CROMWELL RANCH
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Javelin Energy2,5872,5523,4093,4090$80.46$2.89
Jun 2026Javelin Energy1,5811,6271,5591,49663$84.81$3.15
May 2026Javelin Energy84887187886414$102.13$2.94
Apr 2026Javelin Energy1,3621,3362,0722,05517$100.32$2.77
Mar 2026Javelin Energy1,6481,7101,8931,87419$91.38$3.04
Feb 2026Javelin Energy2,5982,5551,4861,45217$64.51$3.62
Jan 2026Javelin Energy1,0401,01387681812$60.04$7.72
Dec 2025Javelin Energy1,2511,3591,2481,2181$57.97$4.26
Nov 2025Javelin Energy1,2691,0631,4791,44712$60.06$3.79
Oct 2025Javelin Energy1,1741,2651,2811,2460$60.89$3.19
Sep 2025Javelin Energy1,0369721,4491,4020$63.96$2.97
Aug 2025Javelin Energy9468881,7921,195366$64.86$2.91
Jul 2025Javelin Energy8389332,1751,8990$68.39$3.20
Jun 2025Javelin Energy1,8561,7854,0273,9322$68.17$3.02
May 2025Javelin Energy2,1252,2353,7853,63649$62.17$3.12
Apr 2025Javelin Energy1,8101,9372,2802,22710$63.54$3.42
Mar 2025Javelin Energy1,5021,3562,1422,1410$68.24$4.12
Feb 2025Javelin Energy2,0422,0753,6183,5460$71.53$4.19
Jan 2025Javelin Energy2,4482,5013,1352,9744$75.74$4.13
Dec 2024Javelin Energy1,6831,9222,0321,92011$70.12$3.01
Nov 2024Javelin Energy2,6462,3913,1823,06713$69.95$2.12
Oct 2024Javelin Energy2,7832,7392,6302,5636$71.99$2.20
Sep 2024Javelin Energy2,8812,8262,3552,2955$70.24$2.28
Aug 2024Javelin Energy2,7732,8162,0491,9842$76.68$1.99
Jul 2024Javelin Energy4,1274,1142,6762,6114$81.80$2.07
Jun 2024Javelin Energy2,1492,6791,2661,15360$79.77$2.54
May 2024Javelin Energy00000$80.02$2.12
Apr 2024Javelin Energy00000$85.35$1.60
Mar 2024Javelin Energy00000$81.28$1.49
Feb 2024Javelin Energy71268632928414$77.25$1.72
Jan 2024Javelin Energy3,2893,3262,024915825$74.15$3.18
Dec 2023Javelin Energy1,6081,490778420292$71.90$2.52
Nov 2023Javelin Energy90000$77.69$2.71
Oct 2023Javelin Energy00000$85.64$2.98
Sep 2023Javelin Energy1,0331,1526786320$89.43$2.64
Aug 2023Javelin Energy1,2161,1596596130$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

OperatorJavelin Energy Partners Mgmt LLCFieldEagleville (Eagle Ford-1)CountyLa Salle County

Javelin Energy Partners Mgmt LLC in La Salle County

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Eagleville (Eagle Ford-1) field

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