Skip to content
Royalty Clerk

Texas oil lease

Producing

CRYSTAL B UNIT

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

1 well

3,866bbl oil, last 12 months+46% vs prior year
Operator
Saxum Opco, LLC
County
Upton County
Field
Spraberry (Trend Area)
RRC lease
7C-18595

Is your check right?

Check my statement

Where it sits

This county

Upton CountyUptonMidlandCraneGlasscockReaganEctorUpton County
Upton County
Gas, last 12 months
23,885 mcf
Oil in Jul 2026
577 bbl

Production by month

Oil output rose 46% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 46% over the last 12 monthsMonthly oil production and gas for CRYSTAL B UNIT, Aug 2023 to Jul 2026. Oil output rose 46% over the last 12 months. 3,866 bbl in the 12 months through Jul 2026, against 2,646 bbl in the 12 months before.Last 12 months: 3,866 bblbbl per monthmcf per month002001,0004002,0006003,0008004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 46% over the last 12 monthsMonthly oil production and gas for CRYSTAL B UNIT, Aug 2023 to Jul 2026. Oil output rose 46% over the last 12 months. 3,866 bbl in the 12 months through Jul 2026, against 2,646 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002001,0004002,0006003,0008004,000Jan 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 CRYSTAL B UNIT 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 CRYSTAL B UNIT 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.

1 well on this lease

Wells on CRYSTAL B UNIT
API numberWell no.Status
42-461-390102HActive

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 gasBuys100Jun 1, 2021–
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers100Jun 1, 2021–
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
Energy Transfer CompanyCasinghead gasGathers50Nov 1, 2019Jun 1, 2021
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers50Nov 1, 2019Jun 1, 2021

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

Who buys my oilOil price check

80 acres on the newest permit

Permits for Crystal B Unit
API numberWell no.Acreson the permit
42-461-390102H80

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for CRYSTAL B UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Saxum Opco,5773532,9222,9220$80.46$2.89
Jun 2026Saxum Opco,2902462,3612,3610$84.81$3.15
May 2026Saxum Opco,2652612,6812,6810$102.13$2.94
Apr 2026Saxum Opco,3073412,1732,1730$100.32$2.77
Mar 2026Saxum Opco,2983011,2851,2850$91.38$3.04
Feb 2026Saxum Opco,3183151,3491,3490$64.51$3.62
Jan 2026Saxum Opco,3183111,9391,9390$60.04$7.72
Dec 2025Saxum Opco,2863291,5141,5140$57.97$4.26
Nov 2025Saxum Opco,3152451,4141,4140$60.06$3.79
Oct 2025Saxum Opco,2322512,2102,2100$60.89$3.19
Sep 2025Zarvona Energy2982872,8802,8800$63.96$2.97
Aug 2025Zarvona Energy3623441,1571,1570$64.86$2.91
Jul 2025Zarvona Energy2943613743740$68.39$3.20
Jun 2025Zarvona Energy3592892942940$68.17$3.02
May 2025Zarvona Energy2983291551550$62.17$3.12
Apr 2025Zarvona Energy45747726260$63.54$3.42
Mar 2025Zarvona Energy345342550$68.24$4.12
Feb 2025Zarvona Energy251313440$71.53$4.19
Jan 2025Zarvona Energy273265000$75.74$4.13
Dec 2024Zarvona Energy234170000$70.12$3.01
Nov 2024Zarvona Energy4168220$69.95$2.12
Oct 2024Zarvona Energy06220$71.99$2.20
Sep 2024Zarvona Energy2111550$70.24$2.28
Aug 2024Zarvona Energy730000$76.68$1.99
Jul 2024Zarvona Energy00000$81.80$2.07
Jun 2024Zarvona Energy200000$79.77$2.54
May 2024Zarvona Energy406815150$80.02$2.12
Apr 2024Zarvona Energy172202770$85.35$1.60
Mar 2024Zarvona Energy2051671021020$81.28$1.49
Feb 2024Zarvona Energy208240660$77.25$1.72
Jan 2024Zarvona Energy208227660$74.15$3.18
Dec 2023Zarvona Energy245216660$71.90$2.52
Nov 2023Zarvona Energy137199440$77.69$2.71
Oct 2023Zarvona Energy27418280800$85.64$2.98
Sep 2023Zarvona Energy21626382820$89.43$2.64
Aug 2023Zarvona Energy23718091910$81.39$2.58

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

How to check your stub against this lease

Do your checks match this lease?

Check my statement

Nearby

This lease belongs to

OperatorSaxum Opco, LLCFieldSpraberry (Trend Area)CountyUpton County

Saxum Opco, LLC in Upton County

All Saxum Opco, LLC leases →

Spraberry (Trend Area) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km