← Wells

42-391-01491

Final Completion

M. F. LAMBERT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

3

Max Depth

5,915 ft

First Permit

1999-09-13

Latest Activity

2017-06-06

Lifespan

18 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→ PENNZENERGY EXP. & PROD., L.L.C. 1999-2000→ DEVON ENERGY PRODUCTION CO, L.P. 2000-2002→ HILCORP ENERGY COMPANY 2002-2026

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 →
Oil
production & DCA →

Formation Tops (7) Elevation 58 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)2,750 ft-2,692 ft
CATAHOULA 3,625 ft-3,567 ft
OAKVILLE 4,100 ft-4,042 ft
FRIO 4,342 ft-4,284 ft
ANAHUAC 4,365 ft-4,307 ft
FRIO 5,915 ft-5,857 ft
JACKSON/YEGUA (Jackson)——

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
✓ 42-391-31315 TOM O'CONNOR (5800 SD) FLD UNIT · HILCORP ENERGY COMPANY
0.2 mi
Catahoula 3,300'Frio 5,000'Greta 5,102'5500 5,530'5900 5,885'
✓ 42-391-01422 M. F. LAMBERT · PENNZOIL PRODUCING CO.
0.2 mi
Catahoula 3,628'Frio 4,352'5,250 5,226'5,900 5,841'Jackson —NO CHANGE —
✓ 42-391-32701 TOM O'CONNOR (5800 SD) FLD. UNIT · HILCORP ENERGY COMPANY
0.4 mi
Lagarto 2,750'Oakville 3,300'Catahoula 3,634'Catahoula 4,100'Frio 4,354'Anahuac 4,365'Frio 4,785'Frio 5,400'Jackson —Frio —
✓ 42-391-01467 THOMAS O'CONNOR 'A' · QUINTANA PET. CORP.
0.5 mi
Lagarto 1,500'Oakville 2,750'Lagarto 2,750'Oakville 2,900'Catahoula 3,300'Oakville 3,300'Catahoula 3,600'Catahoula 3,602'Anahuac 4,100'Catahoula 4,100'Anahuac 4,100'Greta 4,300' +13 more
✓ 42-391-01442 M. F. LAMBERT · PENNZOIL PRODUCING CO.
0.5 mi
Catahoula 3,300'4400 4,402'Frio 5,000'5100 5,152'NO CHANGE —Jackson —
✓ 42-391-01428 TOM O'CONNOR (5800 SD) FLD. UNIT · PENNZOIL PRODUCING CO.
0.5 mi
Catahoula 3,602'Frio 4,365'TOP 5300 5,269'Jackson —
✓ 42-391-01434 LAMBERT, M. F. · HILCORP ENERGY COMPANY
0.6 mi
Catahoula 3,662'Frio 4,400'Jackson —
✓ 42-391-01487 TOM O'CONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.6 mi
Lagarto 1,500'Lagarto 2,750'Oakville 2,750'Catahoula 3,300'Catahoula 3,596'Anahuac 4,100'Oakville 4,100'Frio 4,341'Frio 4,365'Anahuac 4,365'Frio 4,365'Frio 5,000' +5 more

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
5,152–5,164 ftPerforated
5,535–5,542 ftPerforated
5,858–5,865 ftPerforated

Casing (2)

SizeSet DepthCement
10.75"1,217 ft500 sx
7"5,904 ft500 sx

Permit History (3)

#827138 Recompletion Final Completion

M. F. LAMBERT · 5,915 ft

2017-06-06

Spud 2017-05-11

#704630 Recompletion Final Completion

M. F. LAMBERT · 5,915 ft

2010-11-05

Spud 2010-11-24

#487344 Recompletion

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

1999-09-13

Applications (3)

#827138 A HILCORP ENERGY COMPANY
received 2017-05-25
#704630 A HILCORP ENERGY COMPANY
received 2010-11-01
#487344 A QUINTANA PET. CORP.
received 1999-09-07

Records & Logs

5 completion filings on record.

W-2/G-1 2017-10-05
W-2/G-1 2011-06-24
W-2/G-1 2003-03-18
W-2/G-1 2001-07-25
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.

Google Maps → Explorer Map →
Lat 28.349357
Lon -97.170318

Well Details

Well Number
34
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