42-391-01496

M. F. LAMBERT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

Max Depth

5,412 ft

First Permit

2004-02-09

Latest Activity

2009-12-21

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

W-14 Disposal Active UIC #000039179 permitted 2006-06-29

Permitted Volume

20,000 bbl/d

Max Pressure

1,325 psi

Injection Interval

2,650–3,943 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2025-09-01)

Operator History

Chain of Custody

QUINTANA PET. CORP. 1993-2000→ HILCORP ENERGY COMPANY 2000-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (1) Elevation 62 ft (DF)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
NO CHANGE	—	—

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (4)

Interval	Type
3,874–3,904 ft	Perforated
3,874–3,906 ft	Perforated
5,155–5,160 ft	Perforated
5,276–5,281 ft	Perforated

Casing (3)

Size	Set Depth	Cement
10.75"	1,017 ft	639 sx
7"	5,412 ft	536 sx
7"	5,412 ft	536 sx

Permit History (2)

#688672 Recompletion

M. F. LAMBERT · 5,412 ft

2009-12-21

#541584 Recompletion Final Completion

TOM O'CONNOR (5800 SD) FLD UNIT · 5,412 ft

2004-02-09

Spud 2003-11-12

Applications (2)

#688672 A HILCORP ENERGY COMPANY

received 2009-12-15

#541584 A HILCORP ENERGY COMPANY

received 2004-02-03

Records & Logs

4 completion filings on record.

W-2/G-1 2003-12-02

W-2/G-1 2004-04-29

W-2/G-1 1974-10-09

W-2/G-1 1984-01-12

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in REFUGIO County.

Well Details

Well Number: 6G
Max Depth: 5,412 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: HILCORP ENERGY COMPANY

Operator

Name: HILCORP ENGY CO
Location: HOUSTON
P-5 Status: X (filed 2026-03-27)
Cum Oil (all leases): 75,699,281 bbl
Cum Gas (all leases): 1,779,939,645 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 3,428