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Producing

ULS AB 4-15

Uls Ab 4-15 is an oil lease in Andrews County, Texas, operated by Sabalo II Operating, LLC in the Spraberry (Trend Area) field.

1 well

601bbl oil, last 12 months−41% vs prior year
Operator
Sabalo II Operating, LLC
County
Andrews County
Field
Spraberry (Trend Area)
RRC lease
08-42508

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Where it sits

This county

Andrews CountyAndrewsMartinGainesDawsonAndrews County
Andrews County
Gas, last 12 months
641 mcf
Oil in Jul 2026
51 bbl

Checks stopped on this lease?

  • Operator

    Operator changed: Sabalo II Operating, LLC took over from Zarvona Energy LLC in Oct 2025.

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

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Production by month

Oil output fell 41% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 41% over the last 12 monthsMonthly oil production and gas for ULS AB 4-15, Aug 2023 to Jul 2026. Oil output fell 41% over the last 12 months. 601 bbl in the 12 months through Jul 2026, against 1,027 bbl in the 12 months before.Last 12 months: 601 bblbbl per monthmcf per month0050251005015075200100Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 41% over the last 12 monthsMonthly oil production and gas for ULS AB 4-15, Aug 2023 to Jul 2026. Oil output fell 41% over the last 12 months. 601 bbl in the 12 months through Jul 2026, against 1,027 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0050251005015075200100Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to flaring in the last 12 months

Flaring peaked at 100.0% of the gas in Sep 2023.

  • Processing plant (3)
  • Flared (4)
All of the gas went to flaring in the last 12 monthsShare of ULS AB 4-15 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to flaring in the last 12 months. Flaring peaked at 100.0% of the gas in Sep 2023.Share of the lease’s gas by disposition code, per month0%50%100%Flared 100.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to flaring in the last 12 monthsShare of ULS AB 4-15 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to flaring in the last 12 months. Flaring peaked at 100.0% of the gas in Sep 2023.Share of gas by disposition code0%50%100%Flared 100.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

100.0% of the gas flared in the last 12 months. 34 months above 3%.

Who has run this lease

The operator changed once, most recently in Oct 2025

Operators of this lease over timeZarvona Energy LLC, Jan 2020 to Sep 2025; Sabalo II Operating, LLC, Oct 2025 to Jul 20262020202120222023202420252026Changed Oct 2025Zarvona Energy LLCJan 2020 to Sep 2025Sabalo II Operating, LLCOct 2025 to now
Operators of this lease over timeZarvona Energy LLC, Jan 2020 to Sep 2025; Sabalo II Operating, LLC, Oct 2025 to Jul 20262020202120222023202420252026Changed Oct 2025Zarvona Energy LLCJan 2020 to Sep 2025Sabalo II Operating, LLCOct 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on ULS AB 4-15
API numberWell no.Status
42-003-435882Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Eastex Crude Company, LLCOilGathers40Feb 24, 2026–
Midcon Gathering LLCOilGathers30Feb 24, 2026–
Plains Marketing, L.p.OilGathers30Feb 24, 2026–
Dcp Operating Company, LPCasinghead gasBuys100Jan 1, 2018–
Dcp Operating Company, LPCasinghead gasGathers100Jan 1, 2018–
Eastex Crude Company, LLCOilGathers50Oct 31, 2025Feb 24, 2026
Midcon Gathering LLCOilGathers50Oct 31, 2025Feb 24, 2026
Eastex Crude Company, LLCOilGathers100Oct 1, 2025Oct 31, 2025
Buckhead Midstream, LLCOilGathers100May 1, 2022Oct 1, 2025
Enterprise Crude Oil LLCOilGathers100May 1, 2021May 1, 2022
Oasis Transp & Marketing Corp.OilGathers100May 1, 2020May 1, 2021

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

Who buys my oilOil price check

80.10 acres on the newest permit

Check your decimal on this lease
Permits for Uls Ab 4-15
API numberWell no.Acreson the permit
42-003-43588280.10

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

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Estimate your royalty

36 months, newest first

Ledger for ULS AB 4-15
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Sabalo II515162062$80.46$2.89
Jun 2026Sabalo II5050000$84.81$3.15
May 2026Sabalo II585854054$102.13$2.94
Apr 2026Sabalo II636360060$100.32$2.77
Mar 2026Sabalo II474750050$91.38$3.04
Feb 2026Sabalo II505045045$64.51$3.62
Jan 2026Sabalo II223246046$60.04$7.72
Dec 2025Sabalo II316845045$57.97$4.26
Nov 2025Sabalo II695681081$60.06$3.79
Oct 2025Sabalo II5466066$60.89$3.19
Sep 2025Zarvona Energy678966066$63.96$2.97
Aug 2025Zarvona Energy888366066$64.86$2.91
Jul 2025Zarvona Energy1109966066$68.39$3.20
Jun 2025Zarvona Energy859766066$68.17$3.02
May 2025Zarvona Energy827866066$62.17$3.12
Apr 2025Zarvona Energy547366066$63.54$3.42
Mar 2025Zarvona Energy11612053053$68.24$4.12
Feb 2025Zarvona Energy847353053$71.53$4.19
Jan 2025Zarvona Energy897540040$75.74$4.13
Dec 2024Zarvona Energy447653053$70.12$3.01
Nov 2024Zarvona Energy898059059$69.95$2.12
Oct 2024Zarvona Energy14112853053$71.99$2.20
Sep 2024Zarvona Energy538053053$70.24$2.28
Aug 2024Zarvona Energy805253053$76.68$1.99
Jul 2024Zarvona Energy8410453053$81.80$2.07
Jun 2024Zarvona Energy694553053$79.77$2.54
May 2024Zarvona Energy7512353053$80.02$2.12
Apr 2024Zarvona Energy632752646$85.35$1.60
Mar 2024Zarvona Energy91121533815$81.28$1.49
Feb 2024Zarvona Energy814955649$77.25$1.72
Jan 2024Zarvona Energy939549148$74.15$3.18
Dec 2023Zarvona Energy997363162$71.90$2.52
Nov 2023Zarvona Energy548031310$77.69$2.71
Oct 2023Zarvona Energy11795601941$85.64$2.98
Sep 2023Zarvona Energy11311757057$89.43$2.64
Aug 2023Zarvona Energy1109859257$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

OperatorSabalo II Operating, LLCFieldSpraberry (Trend Area)CountyAndrews County

Sabalo II Operating, LLC in Andrews County

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Spraberry (Trend Area) field

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