Texas oil lease

Producing

HENDERSON, O C

Name: HENDERSON, O C monthly oil and gas production, Jack County, Texas
Creator: Texas Railroad Commission

Henderson, O C is an oil lease in Jack County, Texas, operated by Mammoth Operating LLC in the Jack County Regular field.

4 wells

51bbl oil, last 12 months

Operator: Mammoth Operating LLC
County: Jack County
Field: Jack County Regular
RRC lease: 09-19350

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Where it sits

This county

Jack County

Oil in Jul 2026: 3 bbl
Reporting since: Jan 2020

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Operator
Operator changed: Mammoth Operating LLC took over from Wineglass Production, LLC in Apr 2025.
P-5
The previous operator's P-5 registration is listed as delinquent (last P-5 filed Jul 20, 2026).
Sales
No sales reported for the last 12 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 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 once, most recently in Apr 2025

Mammoth Operating LLC Apr 2025 to now
Wineglass Production, LLC Jan 2020 to Mar 2025

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

4 wells on this lease

Wells on HENDERSON, O C
API number	Well no.	Status
42-237-32466	1	Active
42-237-32575	2	Shut-in
42-237-32635	3	Active
42-237-33722	5	Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
Company	Product	Role	Share%	From	Until
Transoil Marketing, LLC	Oil	Gathers	100	Apr 1, 2025	–
Sentinel Transportation, LLC	Oil	Gathers	100	Jan 1, 2019	Apr 1, 2025
True Oil Trucking & Mktg, LLC	Oil	Gathers	100	Sep 18, 2018	Jan 1, 2019

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

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400 acres on the newest permit

Good to know
The wells on this lease state different acreage
The permits state between 200 and 400 acres. Use the acres from your own division order for the well you are paid on.

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Permits for Henderson, O C
API number	Well no.	Permit issued	Completed	Acreson the permit	Type
42-237-33722	5	Apr 16, 1981	May 1, 1981	400	Vertical
42-237-32635	3	May 25, 1979	Sep 12, 1979	200	Vertical
42-237-32575	2	Apr 4, 1979	Apr 17, 1979	200	Vertical
42-237-32466	1	Dec 12, 1978	Mar 22, 1979	200	Vertical

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

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36 months, newest first

Ledger for HENDERSON, O C
Month	Operator	Oil producedbbl	Oil soldbbl	WTI$/bbl	Henry Hub$/MMBtu
Jul 2026Mammoth Operating	Mammoth Operating LLC	3	0	$80.46	$2.89
Jun 2026Mammoth Operating	Mammoth Operating LLC	5	0	$84.81	$3.15
May 2026Mammoth Operating	Mammoth Operating LLC	7	0	$102.13	$2.94
Apr 2026Mammoth Operating	Mammoth Operating LLC	5	0	$100.32	$2.77
Mar 2026Mammoth Operating	Mammoth Operating LLC	6	0	$91.38	$3.04
Feb 2026Mammoth Operating	Mammoth Operating LLC	5	0	$64.51	$3.62
Jan 2026Mammoth Operating	Mammoth Operating LLC	6	0	$60.04	$7.72
Dec 2025Mammoth Operating	Mammoth Operating LLC	7	0	$57.97	$4.26
Nov 2025Mammoth Operating	Mammoth Operating LLC	7	0	$60.06	$3.79
Oct 2025Mammoth Operating	Mammoth Operating LLC	0	0	$60.89	$3.19
Sep 2025Mammoth Operating	Mammoth Operating LLC	0	0	$63.96	$2.97
Aug 2025Mammoth Operating	Mammoth Operating LLC	0	0	$64.86	$2.91
Jul 2025Mammoth Operating	Mammoth Operating LLC	0	0	$68.39	$3.20
Jun 2025Mammoth Operating	Mammoth Operating LLC	0	0	$68.17	$3.02
May 2025Mammoth Operating	Mammoth Operating LLC	0	0	$62.17	$3.12
Apr 2025Mammoth Operating	Mammoth Operating LLC	0	140	$63.54	$3.42
Mar 2025Wineglass Production,	Wineglass Production, LLC	0	0	$68.24	$4.12
Feb 2025Wineglass Production,	Wineglass Production, LLC	0	0	$71.53	$4.19
Jan 2025Wineglass Production,	Wineglass Production, LLC	0	0	$75.74	$4.13
Dec 2024Wineglass Production,	Wineglass Production, LLC	0	0	$70.12	$3.01
Nov 2024Wineglass Production,	Wineglass Production, LLC	0	0	$69.95	$2.12
Oct 2024Wineglass Production,	Wineglass Production, LLC	0	0	$71.99	$2.20
Sep 2024Wineglass Production,	Wineglass Production, LLC	0	0	$70.24	$2.28
Aug 2024Wineglass Production,	Wineglass Production, LLC	0	0	$76.68	$1.99
Jul 2024Wineglass Production,	Wineglass Production, LLC	0	0	$81.80	$2.07
Jun 2024Wineglass Production,	Wineglass Production, LLC	0	0	$79.77	$2.54
May 2024Wineglass Production,	Wineglass Production, LLC	0	0	$80.02	$2.12
Apr 2024Wineglass Production,	Wineglass Production, LLC	0	0	$85.35	$1.60
Mar 2024Wineglass Production,	Wineglass Production, LLC	0	0	$81.28	$1.49
Feb 2024Wineglass Production,	Wineglass Production, LLC	0	0	$77.25	$1.72
Jan 2024Wineglass Production,	Wineglass Production, LLC	0	0	$74.15	$3.18
Dec 2023Wineglass Production,	Wineglass Production, LLC	0	0	$71.90	$2.52
Nov 2023Wineglass Production,	Wineglass Production, LLC	0	0	$77.69	$2.71
Oct 2023Wineglass Production,	Wineglass Production, LLC	0	0	$85.64	$2.98
Sep 2023Wineglass Production,	Wineglass Production, LLC	0	0	$89.43	$2.64
Aug 2023Wineglass Production,	Wineglass Production, LLC	0	0	$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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