42-391-01428

Final Completion

LAMBERT, M. F.

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

5

Max Depth

6,000 ft

First Permit

1983-06-13

Latest Activity

2017-10-13

Lifespan

34 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

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (4) Elevation 51 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CATAHOULA 3,602 ft-3,551 ft
FRIO 4,365 ft-4,314 ft
TOP 53005,269 ft-5,218 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
42-391-01442 M. F. LAMBERT · PENNZOIL PRODUCING CO.
0.0 mi
Catahoula 3,300'4400 4,402'Frio 5,000'5100 5,152'Jackson NO CHANGE
42-391-01446 M. F. LAMBERT · PENNZOIL PRODUCING CO.
0.2 mi
Catahoula 3,609'Frio 4,362'Greta 5,068'5675' 5,642'5800' 5,807'5900' 5,886'NO CHANGE
42-391-01449 TOM O'CONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.3 mi
Lagarto 1,500'Oakville 2,750'Lagarto 2,750'Catahoula 3,300'Anahuac 3,300'Oakville 3,300'Anahuac 4,100'Frio 4,365'Anahuac 4,365'Frio 4,365'4600 4,498'Frio 4,785' +5 more
42-391-33298 LAMBERT, M.F. · HILCORP ENERGY COMPANY
0.3 mi
Catahoula 3,300'Frio 4,365'Jackson
42-391-33297 LAMBERT, M.F. · HILCORP ENERGY COMPANY
0.3 mi
Catahoula 3,300'Frio Jackson
42-391-01468 O'CONNOR, THOMAS 'A' · HILCORP ENERGY COMPANY
0.4 mi
Frio 540'Lagarto 2,750'Oakville 3,300'Catahoula 3,628'Catahoula 4,100'ANANHUAC (MIOCENE) 4,365'Frio 4,406'Frio 4,785'Frio 5,951'Jackson
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'Frio Jackson
42-391-01444 TOM O'CONNOR (5800 SD) FLD. UNIT · HILCORP ENERGY COMPANY
0.4 mi
Lagarto 2,750'Catahoula 3,618'Oakville 4,100'Anahuac 4,365'4400 SAND 4,374'Frio 4,374'Greta 5,120'Frio 5,840'NO CHANGE 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 (2)

IntervalType
5,270–5,285 ftPerforated
5,649–5,656 ftPerforated

Casing (4)

SizeSet DepthCement
10.75"1,194 ft500 sx
10.75"1,194 ft500 sx
7"5,895 ft500 sx
7"5,895 ft500 sx

Permit History (5)

Applications (5)

#831621 A HILCORP ENERGY COMPANY
received 2017-10-04
#707627 A HILCORP ENERGY COMPANY
received 2010-12-28
#669759 A HILCORP ENERGY COMPANY
received 2008-08-25
#509637 A HILCORP ENERGY COMPANY
received 2001-05-31
#198000 A PENNZOIL PRODUCING CO.
received 1983-06-13

Records & Logs

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

W-2/G-1 2017-11-14
W-2/G-1 2008-11-03 log on file
W-2/G-1 2008-11-12
W-2/G-1 2001-07-25
W-2/G-1 1984-01-12

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.

Lat 28.341671
Lon -97.170653

Well Details

Well Number
50
Max Depth
6,000 ft
Drill Type
Vertical
County
REFUGIO
District
2

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