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Texas oil lease

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MADOLYN

Madolyn is an oil lease in Upton County, Texas, operated by Saxum Opco, LLC in the Spraberry (Trend Area) field.

3 wells

1,185bbl oil, last 12 months−28% vs prior year
Operator
Saxum Opco, LLC
County
Upton County
Field
Spraberry (Trend Area)
RRC lease
7C-16087

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Where it sits

This county

Upton CountyUptonMidlandCraneGlasscockReaganEctorUpton County
Upton County
Gas, last 12 months
9,387 mcf
Oil in Jul 2026
0 bbl

Production by month

Oil output fell 28% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 28% over the last 12 monthsMonthly oil production and gas for MADOLYN, Aug 2023 to Jul 2026. Oil output fell 28% over the last 12 months. 1,185 bbl in the 12 months through Jul 2026, against 1,649 bbl in the 12 months before.Last 12 months: 1,185 bblbbl per monthmcf per month001002502005003007504001,0005001,250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 28% over the last 12 monthsMonthly oil production and gas for MADOLYN, Aug 2023 to Jul 2026. Oil output fell 28% over the last 12 months. 1,185 bbl in the 12 months through Jul 2026, against 1,649 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001002502005003007504001,0005001,250Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a processing plant in the last 12 months

All of the gas went to a processing plant in the last 12 monthsShare of MADOLYN gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a processing plant in the last 12 monthsShare of MADOLYN gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Who has run this lease

The operator changed 2 times, most recently in Oct 2025

Operators of this lease over timeDiamondback E&P LLC, Jan 2020 to May 2021; Zarvona Energy LLC, Jun 2021 to Sep 2025; Saxum Opco, LLC, Oct 2025 to Jul 20262020202120222023202420252026Changed Jun 2021Changed Oct 2025Diamondback E&P LLCJan 2020 to May 2021Zarvona Energy LLCJun 2021 to Sep 2025Saxum Opco, LLCOct 2025 to now
Operators of this lease over timeDiamondback E&P LLC, Jan 2020 to May 2021; Zarvona Energy LLC, Jun 2021 to Sep 2025; Saxum Opco, LLC, Oct 2025 to Jul 20262020202120222023202420252026Changed Jun 2021Changed Oct 2025Diamondback E&P LLCJan 2020 to May 2021Zarvona Energy LLCJun 2021 to Sep 2025Saxum Opco, LLCOct 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

3 wells on this lease

Wells on MADOLYN
API numberWell no.Status
42-461-350351Shut-in
42-461-351462Active
42-461-375533Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Echo Canyon Energy Prd Sply, LLCOilGathers100Mar 18, 2026–
Targa Pl Mid-Cont Westtex LLCCasinghead gasBuys100Nov 1, 2019–
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers100Nov 1, 2019–
Mv Purchasing, LLCOilGathers100Jun 1, 2024Mar 18, 2026
Lpc Crude Iii, LLCOilGathers100Nov 1, 2021Jun 1, 2024
Eastex Crude CompanyOilGathers50Jun 1, 2021Nov 1, 2021
Shell Trading (Us) CompanyOilGathers50Jun 1, 2021Nov 1, 2021
Eastex Crude CompanyOilGathers80Nov 1, 2019Jun 1, 2021
Shell Trading (Us) CompanyOilGathers20Nov 1, 2019Jun 1, 2021

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

Who buys my oilOil price check

319.73 acres on the newest permit

Permits for Madolyn
API numberWell no.Acreson the permit
42-461-375533319.73
42-461-351462319.73
42-461-350351319.73

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

Unit decimal checker

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36 months, newest first

Ledger for MADOLYN
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Saxum Opco,00000$80.46$2.89
Jun 2026Saxum Opco,00000$84.81$3.15
May 2026Saxum Opco,471075695690$102.13$2.94
Apr 2026Saxum Opco,6108178170$100.32$2.77
Mar 2026Saxum Opco,551278608600$91.38$3.04
Feb 2026Saxum Opco,1091267797790$64.51$3.62
Jan 2026Saxum Opco,1481431,1261,1260$60.04$7.72
Dec 2025Saxum Opco,1361321,0341,0340$57.97$4.26
Nov 2025Saxum Opco,1781431,0891,0890$60.06$3.79
Oct 2025Saxum Opco,1881611,1351,1350$60.89$3.19
Sep 2025Zarvona Energy1201229929920$63.96$2.97
Aug 2025Zarvona Energy1431169869860$64.86$2.91
Jul 2025Zarvona Energy1231211,0111,0110$68.39$3.20
Jun 2025Zarvona Energy1221188938930$68.17$3.02
May 2025Zarvona Energy1022206246240$62.17$3.12
Apr 2025Zarvona Energy1221205935930$63.54$3.42
Mar 2025Zarvona Energy1651276636630$68.24$4.12
Feb 2025Zarvona Energy1171267877870$71.53$4.19
Jan 2025Zarvona Energy1321208998990$75.74$4.13
Dec 2024Zarvona Energy1921349619610$70.12$3.01
Nov 2024Zarvona Energy1351278668660$69.95$2.12
Oct 2024Zarvona Energy1501351,1901,1900$71.99$2.20
Sep 2024Zarvona Energy1341965295290$70.24$2.28
Aug 2024Zarvona Energy155936886880$76.68$1.99
Jul 2024Zarvona Energy1771975755750$81.80$2.07
Jun 2024Zarvona Energy1531409519510$79.77$2.54
May 2024Zarvona Energy571288198190$80.02$2.12
Apr 2024Zarvona Energy1671226896890$85.35$1.60
Mar 2024Zarvona Energy1471797457450$81.28$1.49
Feb 2024Zarvona Energy1522276566560$77.25$1.72
Jan 2024Zarvona Energy1671206556550$74.15$3.18
Dec 2023Zarvona Energy1741196836830$71.90$2.52
Nov 2023Zarvona Energy1532426496490$77.69$2.71
Oct 2023Zarvona Energy1761206576570$85.64$2.98
Sep 2023Zarvona Energy3202366196190$89.43$2.64
Aug 2023Zarvona Energy511126016010$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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This lease belongs to

OperatorSaxum Opco, LLCFieldSpraberry (Trend Area)CountyUpton County

Saxum Opco, LLC in Upton County

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Spraberry (Trend Area) field

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