Texas oil lease

Producing

SAMPSON HEIRS

Name: SAMPSON HEIRS monthly oil and gas production, Waller County, Texas
Creator: Texas Railroad Commission

Sampson Heirs is an oil lease in Waller County, Texas, operated by Nupower Energy, LLC in the Brookshire field.

12 wells

612bbl oil, last 12 months−34% vs prior year

Operator: Nupower Energy, LLC
County: Waller County
Field: Brookshire
RRC lease: 03-23665

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Where it sits

This county

Waller County

Oil in Jul 2026: 65 bbl
Reporting since: Jan 2020

Checks stopped on this lease?

Sales
No sales reported for the last 4 months of state data (through Jul 2026).

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output fell 34% over the last 12 months

Oil (bars)
Last 12 months

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 2 times, most recently in Oct 2023

Nupower Energy, LLC Oct 2023 to now
Kem Energy, Inc. Jul 2022 to Sep 2023
H-M Resource Management, Inc. Jan 2020 to Jun 2022

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

12 wells on this lease

Wells on SAMPSON HEIRS
API number	Well no.	Status
42-473-30469	1	Active
42-473-30477	2	Active
42-473-30478	3	Active
42-473-30479	4	Active
42-473-30480	5	Shut-in
42-473-30485	6	Active
42-473-30517	8	Active
42-473-30518	7	Active
42-473-30547	9	Active
42-473-30548	10	Active
42-473-30777	11	Active
42-473-31137	12	Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
Company	Product	Role	Share%	From	Until
Gulfmark Energy, Inc.	Oil	Gathers	100	Jan 1, 2025	–
4J Energy, LLC	Oil	Gathers	100	Aug 1, 2024	Jan 1, 2025
Cima Energy, LP	Oil	Gathers	100	Oct 1, 2023	Aug 1, 2024
Gulfmark Energy, Inc.	Oil	Gathers	100	Oct 1, 2016	Oct 1, 2023

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

Who buys my oil Oil price check

46.66 acres on the newest permit

Good to know
The wells on this lease state different acreage
The permits state between 46.65 and 46.66 acres. Use the acres from your own division order for the well you are paid on.
Good to know
12 wells are listed on this lease
Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

Check your decimal on this lease

Permits for Sampson Heirs
API number	Well no.	Permit issued	Completed	Acreson the permit	Type
42-473-31137	12	Oct 17, 2007	Jan 15, 2008	46.66	Vertical
42-473-30485	6	Feb 28, 2003	Jun 24, 1999	46.65	Vertical
42-473-30777	11	Sep 18, 2002	Nov 12, 2002	46.66	Vertical
42-473-30547	9	Apr 13, 2000	Jun 15, 2000	46.65	Vertical
42-473-30548	10	Apr 13, 2000	Apr 18, 2001	46.65	Vertical
42-473-30517	8	Nov 3, 1999	Dec 8, 1999	46.65	Vertical
42-473-30518	7	Nov 3, 1999	Dec 2, 1999	46.65	Vertical
42-473-30477	2	May 20, 1999	Jun 10, 1999	46.65	Vertical
42-473-30478	3	May 20, 1999	Jun 15, 1999	46.65	Vertical
42-473-30479	4	May 20, 1999	Jun 11, 1999	46.65	Vertical
42-473-30480	5	May 20, 1999	Aug 18, 1999	46.65	Vertical
42-473-30469	1	Apr 15, 1999	May 3, 1999	46.65	Vertical

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

Unit decimal checker

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36 months, newest first

Ledger for SAMPSON HEIRS
Month	Operator	Oil producedbbl	Oil soldbbl	WTI$/bbl	Henry Hub$/MMBtu
Jul 2026Nupower Energy,	Nupower Energy, LLC	65	0	$80.46	$2.89
Jun 2026Nupower Energy,	Nupower Energy, LLC	17	0	$84.81	$3.15
May 2026Nupower Energy,	Nupower Energy, LLC	16	0	$102.13	$2.94
Apr 2026Nupower Energy,	Nupower Energy, LLC	20	0	$100.32	$2.77
Mar 2026Nupower Energy,	Nupower Energy, LLC	21	141	$91.38	$3.04
Feb 2026Nupower Energy,	Nupower Energy, LLC	7	0	$64.51	$3.62
Jan 2026Nupower Energy,	Nupower Energy, LLC	82	0	$60.04	$7.72
Dec 2025Nupower Energy,	Nupower Energy, LLC	89	157	$57.97	$4.26
Nov 2025Nupower Energy,	Nupower Energy, LLC	66	0	$60.06	$3.79
Oct 2025Nupower Energy,	Nupower Energy, LLC	73	153	$60.89	$3.19
Sep 2025Nupower Energy,	Nupower Energy, LLC	80	0	$63.96	$2.97
Aug 2025Nupower Energy,	Nupower Energy, LLC	76	149	$64.86	$2.91
Jul 2025Nupower Energy,	Nupower Energy, LLC	80	0	$68.39	$3.20
Jun 2025Nupower Energy,	Nupower Energy, LLC	80	158	$68.17	$3.02
May 2025Nupower Energy,	Nupower Energy, LLC	92	0	$62.17	$3.12
Apr 2025Nupower Energy,	Nupower Energy, LLC	63	150	$63.54	$3.42
Mar 2025Nupower Energy,	Nupower Energy, LLC	89	0	$68.24	$4.12
Feb 2025Nupower Energy,	Nupower Energy, LLC	85	157	$71.53	$4.19
Jan 2025Nupower Energy,	Nupower Energy, LLC	60	149	$75.74	$4.13
Dec 2024Nupower Energy,	Nupower Energy, LLC	75	0	$70.12	$3.01
Nov 2024Nupower Energy,	Nupower Energy, LLC	74	0	$69.95	$2.12
Oct 2024Nupower Energy,	Nupower Energy, LLC	73	143	$71.99	$2.20
Sep 2024Nupower Energy,	Nupower Energy, LLC	99	152	$70.24	$2.28
Aug 2024Nupower Energy,	Nupower Energy, LLC	56	166	$76.68	$1.99
Jul 2024Nupower Energy,	Nupower Energy, LLC	5	0	$81.80	$2.07
Jun 2024Nupower Energy,	Nupower Energy, LLC	0	0	$79.77	$2.54
May 2024Nupower Energy,	Nupower Energy, LLC	0	924	$80.02	$2.12
Apr 2024Nupower Energy,	Nupower Energy, LLC	0	0	$85.35	$1.60
Mar 2024Nupower Energy,	Nupower Energy, LLC	0	0	$81.28	$1.49
Feb 2024Nupower Energy,	Nupower Energy, LLC	79	0	$77.25	$1.72
Jan 2024Nupower Energy,	Nupower Energy, LLC	82	0	$74.15	$3.18
Dec 2023Nupower Energy,	Nupower Energy, LLC	80	0	$71.90	$2.52
Nov 2023Nupower Energy,	Nupower Energy, LLC	77	0	$77.69	$2.71
Oct 2023Nupower Energy,	Nupower Energy, LLC	83	0	$85.64	$2.98
Sep 2023Kem Energy,	Kem Energy, Inc.	79	150	$89.43	$2.64
Aug 2023Kem Energy,	Kem Energy, Inc.	88	283	$81.39	$2.58

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

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