Texas oil lease

Shut in

LAMBERT, MARY F., -A-

Name: LAMBERT, MARY F., -A- monthly oil and gas production, Refugio County, Texas
Creator: Texas Railroad Commission

Lambert, Mary F., -A- is an oil lease in Refugio County, Texas, operated by Hilcorp Energy Company in the Tom Oconnor (5900 Sand) field.

1 well

0bbl oil, since Nov 2025

Operator: Hilcorp Energy Company
County: Refugio County
Field: Tom Oconnor (5900 Sand)
RRC lease: 02-02867

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Where it sits

This county

Refugio County

Oil in May 2026: 0 bbl
Reporting since: Nov 2025

Checks stopped on this lease?

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

No production to chart

The state shows zero oil and zero gas for all 7 months we hold (Nov 2025 to Jul 2026). A lease that is shut in or newly reported looks like this. The ledger below lists each month.

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.

1 well on this lease

Wells on LAMBERT, MARY F., -A-
API number	Well no.	Status
42-391-01373	1 L	Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
Company	Product	Role	Share%	From	Until
Hilcorp Energy Company	Oil	Gathers	100	Jan 1, 2021	–
Hilcorp Energy Company	Casinghead gas	Buys	100	Aug 1, 2005	–
Hilcorp Energy Company	Casinghead gas	Gathers	100	Aug 1, 2005	–
Harvest Midstream Company	Oil	Gathers	100	Sep 1, 2018	Jan 1, 2021

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

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56.78 acres on the newest permit

Good to know
The wells on this lease state different acreage
The permits state between 56.78 and 80 acres. Use the acres from your own division order for the well you are paid on.
Good to know
7 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.
Worth asking
A substandard-acreage flag is in the permit records
The RRC permit records include a substandard-acreage flag. Ask which acreage applies to your well and how it was used in your decimal.
Worth asking
A Rule 37 case is listed
The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease

Permits for Lambert, Mary F., -A-
API number	Well no.	Permit issued	Completed	Acreson the permit	Type
42-391-30315	8	Jun 18, 2024	Apr 3, 1974	56.78	Vertical
42-391-30315	8 T	Jun 18, 2024	Apr 12, 1974	56.78	Vertical
42-391-01375	3	Nov 13, 2023	Jan 12, 1984	56.78	Vertical
42-391-01375	3 L	Nov 13, 2023	Jan 12, 1984	56.78	Vertical
42-391-01374	2	Oct 3, 1984	Feb 1, 1985	80	Vertical
42-391-01373	1 L	–	Dec 3, 1936	–	–
42-391-01376	4	–	Jan 12, 1984	–	–

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

Unit decimal checker

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9 months, newest first

Ledger for LAMBERT, MARY F., -A-
Month	Oil producedbbl	Oil soldbbl	WTI$/bbl	Henry Hub$/MMBtu
Jul 2026No report filed	–	–	$80.46	$2.89
Jun 2026No report filed	–	–	$84.81	$3.15
May 2026	0	0	$102.13	$2.94
Apr 2026	0	0	$100.32	$2.77
Mar 2026	0	0	$91.38	$3.04
Feb 2026	0	0	$64.51	$3.62
Jan 2026	0	0	$60.04	$7.72
Dec 2025	0	0	$57.97	$4.26
Nov 2025	0	0	$60.06	$3.79

No report filed

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

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