42-391-32700

Final Completion

LAMBERT M. F.

REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5900 SAND)

Permits

6

Max Depth

6,500 ft

First Permit

2005-09-13

Latest Activity

2023-10-03

Lifespan

18 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2005-10-11

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000118021 permitted 2019-03-24

Permitted Volume

10,000 bbl/d

Max Pressure

2,795 psi

Injection Interval

5,590–5,760 ft

Injected (12mo)

Monthly injected volume (bbl, from H-10 filings through 2024-09-01)

Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog

Lease Production

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

Formation Tops (12) Elevation 53 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)2,750 ft-2,697 ft
OAKVILLE 3,300 ft-3,247 ft
CATAHOULA 3,646 ft-3,593 ft
CATAHOULA (MIOCENE) (Catahoula)4,100 ft-4,047 ft
ANAHUAC (MIOCENE) (Anahuac)4,365 ft-4,312 ft
FRIO 4,368 ft-4,315 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,785 ft-4,732 ft
MIDDLE FRIO (SINTON) (Frio)5,400 ft-5,347 ft
LOWER FRIO (OLIGOCENE) (Frio)6,215 ft-6,162 ft
JACKSON/YEGUA (Jackson)
LOWER FRIL (OLIGOCENE)
LOWER FRIO (Frio)

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
42-391-01401 M. F. LAMBERT · HILCORP ENERGY COMPANY
0.1 mi
Catahoula 3,636'Frio 4,370'Jackson
42-391-01396 TOM O'CONNOR (5800 SD) FLD. UNIT · PENNZOIL PRODUCING CO.
0.1 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
42-391-01380 TOM O'CONNOR (5800 SD)FLD UNIT · PENNZOIL PRODUCING CO.
0.1 mi
Catahoula 3,631'Frio 4,363'Jackson NO CHANGE
42-391-32723 TOM O'CONNOR (5800 SD) FLD UNIT · HILCORP ENERGY COMPANY
0.2 mi
Lagarto 2,750'Oakville 2,900'Oakville 3,300'Catahoula 3,600'Catahoula 3,621'Catahoula 4,100'Anahuac 4,100'Greta 4,150'Greta 4,300'Frio 4,360'Anahuac 4,365'Frio 4,785' +9 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'Frio NO CHANGE +1 more
42-391-33298 LAMBERT, M.F. · HILCORP ENERGY COMPANY
0.4 mi
Catahoula 3,300'Frio 4,365'Jackson
42-391-33297 LAMBERT, M.F. · HILCORP ENERGY COMPANY
0.4 mi
Catahoula 3,300'Jackson Frio
42-391-01394 TOM O'CONNOR (5800 SD) FLD. UNIT · HILCORP ENERGY COMPANY
0.4 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

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 (7)

IntervalType
4,364–4,384 ftPerforated
4,370–4,380 ftPerforated
5,162–5,165 ftPerforated
5,522–5,525 ftPerforated
5,604–5,611 ftPerforated
5,779–5,784 ftPerforated
5,872–5,876 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,371 ft700 sx
5.5"6,205 ft995 sx

Records & Logs

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

W-2/G-1 2023-11-08
W-2/G-1 2020-07-01
W-2/G-1 2019-04-10
W-2/G-1 2015-05-22
W-2/G-1 2010-02-17 log on file
W-2/G-1 2010-04-09

+6 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 28.340581
Lon -97.181909

Well Details

Well Number
159
Max Depth
6,500 ft
Drill Type
Vertical
County
REFUGIO
District
2
Completed
2005-10-11

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