42-391-01323

Final Completion

LAMBERT M. F.

REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5900 SAND)

Permits

Max Depth

5,918 ft

First Permit

1982-07-14

Latest Activity

2005-03-14

Lifespan

23 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 Inactive UIC #000094925 permitted 2005-01-31

Permitted Volume

20,000 bbl/d

Max Pressure

1,815 psi

Injection Interval

3,630–4,120 ft

Injected (12mo)

—

Operator History

Chain of Custody

PENNZOIL EXPLORATION & PROD. CO. 1993-1996→ HILCORP ENERGY COMPANY 2005-2012

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 (KB)

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 (2)

Interval	Type
4,040–4,046 ft	Perforated
4,124–4,140 ft	Perforated

Casing (3)

Size	Set Depth	Cement
10.75"	1,217 ft	528 sx
2.375"	4,087 ft	—
7"	5,906 ft	—

Permit History (2)

#558591 Recompletion Final Completion

LAMBERT, M. F. · 5,915 ft

2005-03-14

#166418 Recompletion Final Completion

LAMBERT, M. F. · 5,918 ft

1982-07-14

Applications (2)

#558591 A HILCORP ENERGY COMPANY

received 2005-03-04

#166418 A PENNZOIL PRODUCING CO.

received 1982-07-14

Records & Logs

4 completion filings on record · 1 with log images at RRC.

W-2/G-1 2005-04-08 log on file

W-2/G-1 2005-08-09

W-2/G-1 1982-08-27

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: 66
Max Depth: 5,918 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