← Wells

42-391-01422

Final Completion

M. F. LAMBERT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

6

Max Depth

5,901 ft

First Permit

1985-03-20

Latest Activity

2021-03-24

Lifespan

36 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 →

Formation Tops (6) Elevation 54 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CATAHOULA 3,628 ft-3,574 ft
FRIO 4,352 ft-4,298 ft
5,2505,226 ft-5,172 ft
5,9005,841 ft-5,787 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
✓ 42-391-01491 TOM O'CONNOR (5800 SD) FLD UNIT · QUINTANA PET. CORP.
0.2 mi
Lagarto 2,750'Catahoula 3,625'Oakville 4,100'Frio 4,342'Anahuac 4,365'Frio 5,915'Jackson —
✓ 42-391-01467 THOMAS O'CONNOR 'A' · QUINTANA PET. CORP.
0.3 mi
Lagarto 1,500'Lagarto 2,750'Oakville 2,750'Oakville 2,900'Oakville 3,300'Catahoula 3,300'Catahoula 3,600'Catahoula 3,602'Catahoula 4,100'Anahuac 4,100'Anahuac 4,100'Greta 4,300' +13 more
✓ 42-391-01487 TOM O'CONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.4 mi
Lagarto 1,500'Oakville 2,750'Lagarto 2,750'Catahoula 3,300'Catahoula 3,596'Oakville 4,100'Anahuac 4,100'Frio 4,341'Frio 4,365'Frio 4,365'Anahuac 4,365'Frio 5,000' +5 more
✓ 42-391-31315 TOM O'CONNOR (5800 SD) FLD UNIT · HILCORP ENERGY COMPANY
0.4 mi
Catahoula 3,300'Frio 5,000'Greta 5,102'5500 5,530'5900 5,885'
✓ 42-391-01460 THOMAS O'CONNOR 'A' · QUINTANA PET. CORP.
0.4 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,300'Catahoula 3,590'Anahuac 4,100'Anahuac 4,100'Frio 4,342'Frio 4,365'Frio 4,365'Frio 4,365'Frio 5,000' +2 more
✓ 42-391-01515 TOM O'CONNOR "A" · QUINTANA PET. CORP.
0.5 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Oakville 3,300'Catahoula 3,300'Catahoula 3,586'Anahuac 4,100'Anahuac 4,100'Frio 4,365'Frio 4,365'Frio 4,365'Frio 4,375' +6 more
✓ 42-391-01473 THOMAS O'CONNOR 'A' · QUINTANA PET. CORP.
0.6 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,635'Anahuac 4,100'Frio 4,365'Frio 4,398'Frio 5,000'Frio 5,880'Jackson —
✓ 42-391-32701 TOM O'CONNOR (5800 SD) FLD. UNIT · HILCORP ENERGY COMPANY
0.6 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'Frio —Jackson —

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 (4)

IntervalType
5,152–5,166 ftPerforated
5,226–5,240 ftPerforated
5,231–5,245 ftPerforated
5,522–5,527 ftPerforated

Casing (3)

SizeSet DepthCement
10.75"1,219 ft500 sx
7"5,884 ft500 sx
7"5,884 ft500 sx

Permit History (6)

#868435 Recompletion Final Completion

M. F. LAMBERT · 5,901 ft

2021-03-24

Spud 2021-03-04

#709009 Recompletion

M. F. LAMBERT · 5,901 ft

2011-02-03

#709009 Recompletion

LAMBERT GAS UNIT · 5,901 ft

2011-02-03

#606702 Recompletion Final Completion

LAMBERT, M. F. · 5,901 ft

2005-09-23

Spud 2005-12-28

#274814 Recompletion Final Completion

LAMBERT, M. F. · 5,892 ft

1985-05-13

#270016 Recompletion

LAMBERT, M. F. · 5,892 ft

1985-03-20

Applications (6)

#868435 A HILCORP ENERGY COMPANY
received 2021-03-16
#709009 A HILCORP ENERGY COMPANY
received 2012-05-10
#709009 A HILCORP ENERGY COMPANY
received 2011-01-21
#606702 A HILCORP ENERGY COMPANY
received 2005-09-21
#274814 A PENNZOIL PRODUCING CO.
received 1985-04-29
#270016 A PENNZOIL PRODUCING CO.
received 1985-03-15

Records & Logs

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

W-2/G-1 2021-05-25
W-2/G-1 2006-01-24 log on file
W-2/G-1 2006-04-06
W-2/G-1 1985-07-12
W-2/G-1 1985-07-23
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 28.351760
Lon -97.167550

Well Details

Well Number
25
Max Depth
5,901 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
3,435