← Wells

42-391-01345

Final Completion

M. F. LAMBERT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

4

Max Depth

5,915 ft

First Permit

1979-10-26

Latest Activity

2018-03-20

Lifespan

38 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

Operator History

Chain of Custody

PENNZOIL EXPLORATION & PROD. CO. 1993-1999→ QUINTANA PET. CORP. 1993-2000→ PENNZENERGY EXP. & PROD., L.L.C. 1999-2000→ DEVON ENERGY PRODUCTION CO, L.P. 2000-2002→ 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.

Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →

Formation Tops (4) Elevation 60 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CATAHOULA 3,647 ft-3,587 ft
FRIO 4,370 ft-4,310 ft
JACKSON/YEGUA (Jackson)——
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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
✓ 42-391-01347 LAMBERT, M.F. · HILCORP ENERGY COMPANY
0.3 mi
SURFACE SAND CLAY 1,500'Lagarto 2,750'Oakville 2,900'Oakville 3,300'Catahoula 3,300'Anahuac 4,100'Catahoula 4,100'Frio 4,265'Anahuac 4,365'Frio 4,785'Frio 5,400'Frio 6,150'
✓ 42-391-31888 TOM O'CONNOR (5800 SD) FLD UNIT · QUINTANA PET. CORP.
0.4 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,656'Anahuac 4,100'Frio 4,365'Frio 4,406'Frio 5,000'Frio 5,880'Jackson —NO CHANGE —
✓ 42-391-32692 TOM O'CONNOR (5800 SD) FLD. UNIT · HILCORP ENERGY COMPANY
0.5 mi
Lagarto 2,750'Oakville 2,900'Oakville 3,300'Catahoula 3,600'Catahoula 3,640'Catahoula 4,100'Catahoula 4,100'Anahuac 4,100'Greta 4,300'Anahuac 4,365'Anahuac 4,365'Frio 4,457' +9 more
✓ 42-391-01349 LAMBERT, M.F. · HILCORP ENERGY COMPANY
0.5 mi
Lagarto 2,750'Oakville 2,900'Oakville 3,300'Catahoula 3,600'Anahuac 4,100'Anahuac 4,100'Catahoula 4,100'Frio 4,265'Greta 4,300'Anahuac 4,365'Frio 4,785'Frio 5,000' +3 more
✓ 42-391-30315 TOM O'CONNOR (5800'SD)FIELD UNIT · QUINTANA PET. CORP.
0.5 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,300'Anahuac 4,100'Frio 4,362'Frio 4,365'Frio 5,000'Frio 5,880'NO CHANGE —
✓ 42-391-30343 TOM O'CONNOR (5800SD) FLD UNIT · QUINTANA PET. CORP.
0.6 mi
SURFACE SAND CLAY 1,500'Lagarto 2,750'Oakville 3,300'Catahoula 3,370'Anahuac 4,365'4400 SAND 4,376'Greta 4,440'Frio 4,785'Frio 5,400'
✓ 42-391-01375 TOM O'CONNOR (5800 SD)FIELD UNIT · QUINTANA PET. CORP.
0.6 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,300'Oakville 3,600'Anahuac 4,100'Frio 4,365'Frio 4,365'Frio 5,000'Frio 5,880'
✓ 42-391-32066 TOM O'CONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.6 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,564'Oakville 3,609'Anahuac 4,100'Frio 4,362'Frio 4,365'Frio 5,000'Frio 5,880'NO CHANGE —

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (3)

IntervalType
5,531–5,549 ftPerforated
5,767–5,773 ftPerforated
5,870–5,880 ftPerforated

Casing (3)

SizeSet DepthCement
10.75"1,218 ft528 sx
2.375"5,495 ft—
7"5,905 ft528 sx

Permit History (4)

#837637 Recompletion Final Completion

M. F. LAMBERT · 5,915 ft

2018-03-20

Spud 2015-06-04

#806929 Recompletion

M. F. LAMBERT · 5,915 ft

2015-06-01

#701720 Recompletion Final Completion

TOM O'CONNOR (5800 SD) FLD. UNIT · 5,915 ft

2010-09-10

Spud 2010-10-15

#62009 Other

LAMBERT, M. F. · 5,915 ft

1979-10-26

Applications (4)

#837637 A HILCORP ENERGY COMPANY
received 2018-03-16
#806929 A HILCORP ENERGY COMPANY
received 2015-05-27
#701720 A HILCORP ENERGY COMPANY
received 2010-09-03
#62009 A PENNZOIL PRODUCING CO.
received 1979-10-26

Records & Logs

4 completion filings on record · 2 with log images at RRC.

W-2/G-1 2018-03-26
W-2/G-1 2011-06-27
W-2/G-1 1980-07-28 log on file
W-2/G-1 1984-01-12 log on file
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.

Google Maps → Explorer Map →
Lat 28.328002
Lon -97.193920

Well Details

Well Number
63
Max Depth
5,915 ft
Drill Type
Vertical
County
REFUGIO
District
2
Operator
HILCORP ENERGY COMPANY

Operator

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