Skip to content
Royalty Clerk

Texas oil lease

Producing

GRAHAM-UNIVERSITY

Graham-University is an oil lease in Andrews County, Texas, operated by Highmark Energy Operating, LLC in the Deep Rock (Glorieta 5950) field.

3 wells

10,363bbl oil, last 12 months−3% vs prior year
Operator
Highmark Energy Operating, LLC
County
Andrews County
Field
Deep Rock (Glorieta 5950)
RRC lease
08-27850

Is your check right?

Check my statement

Where it sits

This county

Andrews CountyAndrewsMartinGainesDawsonAndrews County
Andrews County
Oil in Jul 2026
866 bbl
Reporting since
Jan 2020

Production by month

Oil output fell 3% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 3% over the last 12 monthsMonthly oil production for GRAHAM-UNIVERSITY, Aug 2023 to Jul 2026. Oil output fell 3% over the last 12 months. 10,363 bbl in the 12 months through Jul 2026, against 10,706 bbl in the 12 months before.Last 12 months: 10,363 bblbbl per month02505007501,0001,250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 3% over the last 12 monthsMonthly oil production for GRAHAM-UNIVERSITY, Aug 2023 to Jul 2026. Oil output fell 3% over the last 12 months. 10,363 bbl in the 12 months through Jul 2026, against 10,706 bbl in the 12 months before.Last 12 monthsbbl per month02505007501,0001,250Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

Who has run this lease

The operator changed once, most recently in Mar 2023

Operators of this lease over timeLegacy Reserves Operating LP, Jan 2020 to Feb 2023; Highmark Energy Operating, LLC, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023Legacy Reserves Operating LPJan 2020 to Feb 2023Highmark Energy Operating, LLCMar 2023 to now
Operators of this lease over timeLegacy Reserves Operating LP, Jan 2020 to Feb 2023; Highmark Energy Operating, LLC, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023Legacy Reserves Operating LPJan 2020 to Feb 2023Highmark Energy Operating, LLCMar 2023 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

3 wells on this lease

Wells on GRAHAM-UNIVERSITY
API numberWell no.Status
42-003-333921Active
42-003-335342Active
42-003-337723Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Sentinel Transportation, LLCOilGathers100Nov 1, 2017

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

Who buys my oilOil price check

160 acres on the newest permit

Check your decimal on this lease
Permits for Graham-University
API numberWell no.Acreson the permit
42-003-337723160
42-003-335342160
42-003-333921160

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for GRAHAM-UNIVERSITY
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Highmark Energy866893$80.46$2.89
Jun 2026Highmark Energy8631,103$84.81$3.15
May 2026Highmark Energy866727$102.13$2.94
Apr 2026Highmark Energy890904$100.32$2.77
Mar 2026Highmark Energy913916$91.38$3.04
Feb 2026Highmark Energy876907$64.51$3.62
Jan 2026Highmark Energy729548$60.04$7.72
Dec 2025Highmark Energy1,006884$57.97$4.26
Nov 2025Highmark Energy7971,113$60.06$3.79
Oct 2025Highmark Energy779372$60.89$3.19
Sep 2025Highmark Energy861912$63.96$2.97
Aug 2025Highmark Energy917923$64.86$2.91
Jul 2025Highmark Energy859914$68.39$3.20
Jun 2025Highmark Energy888924$68.17$3.02
May 2025Highmark Energy915734$62.17$3.12
Apr 2025Highmark Energy963896$63.54$3.42
Mar 2025Highmark Energy1,0661,122$68.24$4.12
Feb 2025Highmark Energy776695$71.53$4.19
Jan 2025Highmark Energy608733$75.74$4.13
Dec 2024Highmark Energy893913$70.12$3.01
Nov 2024Highmark Energy9271,203$69.95$2.12
Oct 2024Highmark Energy931714$71.99$2.20
Sep 2024Highmark Energy931761$70.24$2.28
Aug 2024Highmark Energy949930$76.68$1.99
Jul 2024Highmark Energy992911$81.80$2.07
Jun 2024Highmark Energy1,0051,111$79.77$2.54
May 2024Highmark Energy353373$80.02$2.12
Apr 2024Highmark Energy900713$85.35$1.60
Mar 2024Highmark Energy975944$81.28$1.49
Feb 2024Highmark Energy965890$77.25$1.72
Jan 2024Highmark Energy821912$74.15$3.18
Dec 2023Highmark Energy926918$71.90$2.52
Nov 2023Highmark Energy930905$77.69$2.71
Oct 2023Highmark Energy9211,094$85.64$2.98
Sep 2023Highmark Energy896737$89.43$2.64
Aug 2023Highmark Energy9481,099$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

Do your checks match this lease?

Check my statement

Nearby

This lease belongs to

OperatorHighmark Energy Operating, LLCFieldDeep Rock (Glorieta 5950)CountyAndrews County

Highmark Energy Operating, LLC in Andrews County

All Highmark Energy Operating, LLC leases →

Deep Rock (Glorieta 5950) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km