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Texas oil lease

Producing

ULS CDU 4-1

Uls Cdu 4-1 is an oil lease in Andrews County, Texas, operated by Sabalo II Operating, LLC in the Spraberry (Trend Area) field.

1 well

724bbl oil, last 12 months0% vs prior year
RRC lease
08-41883

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Where it sits

This county

Andrews CountyAndrewsMartinGainesDawsonAndrews County
Andrews County
Gas, last 12 months
18 mcf
Oil in Jul 2026
0 bbl

Production by month

Oil output held steady over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output held steady over the last 12 monthsMonthly oil production and gas for ULS CDU 4-1, Aug 2023 to Jul 2026. Oil output held steady over the last 12 months. 724 bbl in the 12 months through Jul 2026, against 725 bbl in the 12 months before.Last 12 months: 724 bblbbl per monthmcf per month00501100215032004Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output held steady over the last 12 monthsMonthly oil production and gas for ULS CDU 4-1, Aug 2023 to Jul 2026. Oil output held steady over the last 12 months. 724 bbl in the 12 months through Jul 2026, against 725 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00501100215032004Jan 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 6 months reported

Flaring peaked at 100.0% of the gas in Jan 2026.

All of the gas went to flaring in the 6 months reportedShare of ULS CDU 4-1 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to flaring in the 6 months reported. Flaring peaked at 100.0% of the gas in Jan 2026.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 6 months reportedShare of ULS CDU 4-1 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to flaring in the 6 months reported. Flaring peaked at 100.0% of the gas in Jan 2026.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 6 months reported. 6 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 CDU 4-1
API numberWell no.Status
42-003-425351Active

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).

600 acres on the newest permit

Permits for Uls Cdu 4-1
API numberWell no.Acreson the permit
42-003-425351600

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

Estimate your royalty

36 months, newest first

Ledger for ULS CDU 4-1
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Sabalo II00303$80.46$2.89
Jun 2026Sabalo II330000$84.81$3.15
May 2026Sabalo II91169303$102.13$2.94
Apr 2026Sabalo II220303$100.32$2.77
Mar 2026Sabalo II36169404$91.38$3.04
Feb 2026Sabalo II420202$64.51$3.62
Jan 2026Sabalo II460303$60.04$7.72
Dec 2025Sabalo II51164000$57.97$4.26
Nov 2025Sabalo II1930000$60.06$3.79
Oct 2025Sabalo II8686000$60.89$3.19
Sep 2025Zarvona Energy6089000$63.96$2.97
Aug 2025Zarvona Energy640000$64.86$2.91
Jul 2025Zarvona Energy5389000$68.39$3.20
Jun 2025Zarvona Energy400000$68.17$3.02
May 2025Zarvona Energy5592000$62.17$3.12
Apr 2025Zarvona Energy6993000$63.54$3.42
Mar 2025Zarvona Energy570000$68.24$4.12
Feb 2025Zarvona Energy6495000$71.53$4.19
Jan 2025Zarvona Energy4985000$75.74$4.13
Dec 2024Zarvona Energy6789000$70.12$3.01
Nov 2024Zarvona Energy6594000$69.95$2.12
Oct 2024Zarvona Energy840000$71.99$2.20
Sep 2024Zarvona Energy65132000$70.24$2.28
Aug 2024Zarvona Energy570000$76.68$1.99
Jul 2024Zarvona Energy6693000$81.80$2.07
Jun 2024Zarvona Energy630000$79.77$2.54
May 2024Zarvona Energy72175000$80.02$2.12
Apr 2024Zarvona Energy650000$85.35$1.60
Mar 2024Zarvona Energy500000$81.28$1.49
Feb 2024Zarvona Energy5087000$77.25$1.72
Jan 2024Zarvona Energy5285000$74.15$3.18
Dec 2023Zarvona Energy690000$71.90$2.52
Nov 2023Zarvona Energy81140000$77.69$2.71
Oct 2023Zarvona Energy92113000$85.64$2.98
Sep 2023Zarvona Energy900000$89.43$2.64
Aug 2023Zarvona Energy71140000$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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