42-391-01364

Final Completion

LAMBERT, M.F.

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

4

Max Depth

5,908 ft

First Permit

1979-12-18

Latest Activity

2023-11-16

Lifespan

44 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 (16) Elevation 63 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,437 ft
OAKVILLE 2,750 ft-2,687 ft
CATAHOULA 3,300 ft-3,237 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,237 ft
CATAHOULA(MIOCENE) (Catahoula)3,300 ft-3,237 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,037 ft
ANAHUAC(MIOCENE) (Anahuac)4,100 ft-4,037 ft
FRIO 4,365 ft-4,302 ft
FRIO GRETA (OLIGOCENE) (Frio)4,365 ft-4,302 ft
FRIO-GRETA(OLIGOCENE) (Frio)4,365 ft-4,302 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,937 ft
54005,342 ft-5,279 ft
5750'5,700 ft-5,637 ft
5800'5,752 ft-5,689 ft
5900'5,860 ft-5,797 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,817 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-391-01394 TOM O'CONNOR (5800 SD) FLD. UNIT · HILCORP ENERGY COMPANY
0.2 mi
Lagarto 2,750'Oakville 3,300'Catahoula 3,624'Catahoula 4,100'Anahuac 4,365'Frio 4,367'Frio 4,785'Frio 5,400'Frio 5,845'Jackson
42-391-01388 M. F. LAMBERT · HILCORP ENERGY COMPANY
0.2 mi
Catahoula 3,627'Frio 4,375'TOM O'CONNOR (5200, EAST) 5,159'TOM O'CONNOR (5900 SAND) 5,858'Jackson
42-391-32794 TOM O'CONNOR (5800 SD) FLD. UNIT · HILCORP ENERGY COMPANY
0.3 mi
Lagarto 2,750'Oakville 3,300'Catahoula 3,614'Catahoula 4,100'Oakville 4,100'ANANHUAC 4,365'Anahuac 4,365'Frio 4,389'Frio 4,785'Frio 5,400'Frio 8,220'Frio 8,220' +4 more
42-391-32696 TOM O'CONNOR (5800 SD) FLD. UNIT · HILCORP ENERGY COMPANY
0.3 mi
Lagarto 2,750'Oakville 3,300'Catahoula 3,620'CATHOULA 3,620'Catahoula 4,100'Anahuac 4,365'Frio 4,366'Frio 4,785'Frio 5,400'Frio 8,288'NO CHANGE Jackson +1 more
42-391-01398 LAMBERT, M.F. · HILCORP ENERGY COMPANY
0.3 mi
Frio 1'SURFACE SAND CLAY 1,500'Lagarto 2,750'Oakville 3,300'Catahoula 4,100'Anahuac 4,365'Frio 4,785'Frio 4,785'Frio 5,400'Frio
42-391-01396 TOM O'CONNOR (5800 SD) FLD. UNIT · PENNZOIL PRODUCING CO.
0.3 mi
Catahoula 3,635'Frio 4,360'4400 4,360'4500 4,428'5400 5,456'5450' 5,496'5500' 5,538'5800' 5,750'Jackson
42-391-31923 TOM O'CONNOR (5800'SD)FIELD UNIT · QUINTANA PET. CORP.
0.3 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,637'Anahuac 4,100'Greta 4,362'Frio 4,362'Frio 4,365'Frio 4,785'Greta 4,785'Frio 5,000'Frio 5,880' +1 more
42-391-32723 TOM O'CONNOR (5800 SD) FLD UNIT · HILCORP ENERGY COMPANY
0.3 mi
Lagarto 2,750'Oakville 2,900'Oakville 3,300'Catahoula 3,600'Catahoula 3,621'Anahuac 4,100'Catahoula 4,100'Greta 4,150'Greta 4,300'Frio 4,360'Anahuac 4,365'Frio 4,785' +9 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 (5)

IntervalType
4,370–4,380 ftPerforated
5,345–5,350 ftPerforated
5,536–? ftPerforated
5,702–5,706 ftPerforated
5,749–5,760 ftPerforated

Casing (6)

SizeSet DepthCement
10.75"546 ft350 sx
10.75"546 ft635 sx
1.5"5,687 ft
5"5,897 ft350 sx
5"5,897 ft400 sx
5"5,908 ft400 sx

Permit History (4)

Applications (4)

#895279 A HILCORP ENERGY COMPANY
received 2023-11-13
#344726 A QUINTANA PET. CORP.
received 1988-04-04
#339978 A HEWIT & DOUGHERTY
received 1987-12-10
#67070 A HEWIT & DOUGHERTY
received 1979-12-18

Records & Logs

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

W-2/G-1 2024-06-18
W-2/G-1 1988-11-23
W-2/G-1 1989-01-16
W-2/G-1 1988-12-23
W-2/G-1 1987-12-21 log on file
W-2/G-1 1988-02-25

+4 more 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.

Lat 28.334631
Lon -97.179990

Well Details

Well Number
H043
Max Depth
5,908 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
3,435