42-391-01401

M. F. LAMBERT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

1

Max Depth

5,865 ft

First Permit

2018-01-11

Latest Activity

2018-01-11

Lifespan

< 1 yr

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

Injection / Disposal

H-1 Injection Active UIC #000116181 permitted 2018-04-04

Permitted Volume

10,000 bbl/d

Max Pressure

2,875 psi

Injection Interval

5,750–5,810 ft

Injected (12mo)

H-1 Injection Inactive UIC #000116182 permitted 2018-04-04

Permitted Volume

10,000 bbl/d

Max Pressure

2,795 psi

Injection Interval

5,600–5,630 ft

Injected (12mo)

Monthly injected volume (bbl, from H-10 filings through 2025-09-01)

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 (3) Elevation 50 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CATAHOULA 3,636 ft-3,586 ft
FRIO 4,370 ft-4,320 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
42-391-32700 TOM O'CONNOR (5800 SD) FLD. UNIT · HILCORP ENERGY COMPANY
0.1 mi
Lagarto 2,750'Oakville 3,300'Catahoula 3,646'Catahoula 4,100'Anahuac 4,365'Frio 4,368'Frio 4,785'Frio 5,400'Frio 6,215'LOWER FRIL (OLIGOCENE) Jackson Frio
42-391-01380 TOM O'CONNOR (5800 SD)FLD UNIT · PENNZOIL PRODUCING CO.
0.2 mi
Catahoula 3,631'Frio 4,363'NO CHANGE Jackson
42-391-01396 TOM O'CONNOR (5800 SD) FLD. UNIT · PENNZOIL PRODUCING CO.
0.2 mi
Catahoula 3,635'4400 4,360'Frio 4,360'4500 4,428'5400 5,456'5450' 5,496'5500' 5,538'5800' 5,750'Jackson
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'CATHOULA 3,620'Catahoula 3,620'Catahoula 4,100'Anahuac 4,365'Frio 4,366'Frio 4,785'Frio 5,400'Frio 8,288'Jackson Frio +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'Frio Jackson
42-391-01449 TOM O'CONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.4 mi
Lagarto 1,500'Oakville 2,750'Lagarto 2,750'Oakville 3,300'Catahoula 3,300'Anahuac 3,300'Anahuac 4,100'Frio 4,365'Anahuac 4,365'Frio 4,365'4600 4,498'Frio 4,785' +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 (2)

IntervalType
5,769–5,777 ftPerforated
5,779–5,785 ftPerforated

Casing (2)

SizeSet DepthCement
10.75"1,001 ft604 sx
7"5,865 ft732 sx

Permit History (1)

Applications (1)

#834659 A HILCORP ENERGY COMPANY
received 2018-01-02

Records & Logs

2 completion filings on record.

W-2/G-1 2019-01-21
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 28.341568
Lon -97.182716

Well Details

Well Number
123
Max Depth
5,865 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