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Producing

ULS BC 4-10

Uls BC 4-10 is an oil lease in Andrews County, Texas, operated by Sabalo II Operating, LLC in the Spraberry (Trend Area) field.

1 well

594bbl oil, last 12 months−27% vs prior year
Operator
Sabalo II Operating, LLC
County
Andrews County
Field
Spraberry (Trend Area)
RRC lease
08-41650

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Where it sits

This county

Andrews CountyAndrewsMartinGainesDawsonAndrews County
Andrews County
Gas, last 12 months
697 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 27% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 27% over the last 12 monthsMonthly oil production and gas for ULS BC 4-10, Aug 2023 to Jul 2026. Oil output fell 27% over the last 12 months. 594 bbl in the 12 months through Jul 2026, against 817 bbl in the 12 months before.Last 12 months: 594 bblbbl per monthmcf per month0025205040756010080125100Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 27% over the last 12 monthsMonthly oil production and gas for ULS BC 4-10, Aug 2023 to Jul 2026. Oil output fell 27% over the last 12 months. 594 bbl in the 12 months through Jul 2026, against 817 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0025205040756010080125100Jan 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 BC 4-10 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 BC 4-10 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 BC 4-10
API numberWell no.Status
42-003-419141Active

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

80.06 acres on the newest permit

Check your decimal on this lease
Permits for Uls BC 4-10
API numberWell no.Acreson the permit
42-003-41914180.06

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 BC 4-10
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 II585861061$102.13$2.94
Apr 2026Sabalo II636360060$100.32$2.77
Mar 2026Sabalo II505062062$91.38$3.04
Feb 2026Sabalo II353556056$64.51$3.62
Jan 2026Sabalo II192857057$60.04$7.72
Dec 2025Sabalo II275956056$57.97$4.26
Nov 2025Sabalo II804981081$60.06$3.79
Oct 2025Sabalo II555074074$60.89$3.19
Sep 2025Zarvona Energy547174074$63.96$2.97
Aug 2025Zarvona Energy524954054$64.86$2.91
Jul 2025Zarvona Energy898074074$68.39$3.20
Jun 2025Zarvona Energy677774074$68.17$3.02
May 2025Zarvona Energy666274074$62.17$3.12
Apr 2025Zarvona Energy425874074$63.54$3.42
Mar 2025Zarvona Energy939659059$68.24$4.12
Feb 2025Zarvona Energy675959059$71.53$4.19
Jan 2025Zarvona Energy726044044$75.74$4.13
Dec 2024Zarvona Energy356159059$70.12$3.01
Nov 2024Zarvona Energy746665065$69.95$2.12
Oct 2024Zarvona Energy11210259059$71.99$2.20
Sep 2024Zarvona Energy365449049$70.24$2.28
Aug 2024Zarvona Energy644259059$76.68$1.99
Jul 2024Zarvona Energy678359059$81.80$2.07
Jun 2024Zarvona Energy563659059$79.77$2.54
May 2024Zarvona Energy599859059$80.02$2.12
Apr 2024Zarvona Energy512259752$85.35$1.60
Mar 2024Zarvona Energy7397594217$81.28$1.49
Feb 2024Zarvona Energy653962755$77.25$1.72
Jan 2024Zarvona Energy747655253$74.15$3.18
Dec 2023Zarvona Energy795870169$71.90$2.52
Nov 2023Zarvona Energy436435350$77.69$2.71
Oct 2023Zarvona Energy9476672146$85.64$2.98
Sep 2023Zarvona Energy909464064$89.43$2.64
Aug 2023Zarvona Energy897966264$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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