42-391-01338

Final Completion

LAMBERT M. F.

REFUGIO County · District 2 · H & D OPERATING COMPANY · TOM OCONNOR (5900 SAND)

Permits

Max Depth

5,870 ft

First Permit

1985-10-22

Latest Activity

2006-02-16

Lifespan

20 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: H & D OPERATING COMPANY ≠ Production: HILCORP ENERGY COMPANY (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: H & D OPERATING COMPANY ≠ Permit: HILCORP ENERGY COMPANY

Resolved via: production → HILCORP ENERGY COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

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 (7) Elevation 57 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LARGARTO (Lagarto)	1,500 ft	-1,443 ft
OAKVILLE	2,750 ft	-2,693 ft
CATAHOULA (MIOCENE) (Catahoula)	3,300 ft	-3,243 ft
ANAHUAC (MIOCENE) (Anahuac)	4,100 ft	-4,043 ft
FRIO-GRETA (OLIGOCENE) (Frio)	4,365 ft	-4,308 ft
MIDDLE FRIO (SINTON) (Frio)	5,000 ft	-4,943 ft
LOWER FRIO (OLIGOCENE) (Frio)	5,880 ft	-5,823 ft

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
5,045–5,057 ft	Perforated
5,774–5,786 ft	Perforated

Casing (2)

Size	Set Depth	Cement
10.75"	540 ft	300 sx
5"	5,904 ft	400 sx

Permit History (2)

#613939 Recompletion Final Completion

LAMBERT GAS UNIT · 5,870 ft

2006-02-16

#288249 Recompletion Final Completion

TOM O'CONNOR (5800'SD)FIELD UNIT · 5,870 ft

1985-10-22

Spud 1985-12-17

Applications (2)

#613939 A HILCORP ENERGY COMPANY

received 2006-02-09

#288249 A QUINTANA PET. CORP.

received 1985-10-21

Records & Logs

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

W-2/G-1 2006-03-08

W-2/G-1 2006-10-06

W-2/G-1 1985-12-27 log on file

W-2/G-1 1986-01-04

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: H 61
Max Depth: 5,870 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: H & D OPERATING COMPANY

Operator

Name: H & D OPER CO
Location: REFUGIO
P-5 Status: Inactive (filed 2014-05-21)
Cum Oil (all leases): 3,092,123 bbl
Cum Gas (all leases): 13,380,960 mcf
Total Permits: 46