42-391-31888

LAMBERT GAS UNIT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

6

Max Depth

6,200 ft

First Permit

1985-11-04

Latest Activity

2017-06-27

Lifespan

32 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 (11) Elevation 49 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,451 ft
OAKVILLE 2,750 ft-2,701 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,251 ft
CATAHOULA 3,656 ft-3,607 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,051 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,316 ft
FRIO 4,406 ft-4,357 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,951 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,831 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
42-391-30343 TOM O'CONNOR (5800SD) FLD UNIT · QUINTANA PET. CORP.
0.1 mi
SURFACE SAND CLAY 1,500'Lagarto 2,750'Oakville 3,300'Catahoula 3,370'Anahuac 4,365'4400 SAND 4,376'Greta 4,440'Frio 4,785'Frio 5,400'
42-391-32066 TOM O'CONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.2 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,564'Oakville 3,609'Anahuac 4,100'Frio 4,362'Frio 4,365'Frio 5,000'Frio 5,880'NO CHANGE
42-391-31923 TOM O'CONNOR (5800'SD)FIELD UNIT · QUINTANA PET. CORP.
0.2 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,637'Anahuac 4,100'Frio 4,362'Greta 4,362'Frio 4,365'Greta 4,785'Frio 4,785'Frio 5,000'Frio 5,880' +1 more
42-391-01375 TOM O'CONNOR (5800 SD)FIELD UNIT · QUINTANA PET. CORP.
0.3 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,300'Oakville 3,600'Anahuac 4,100'Frio 4,365'Frio 4,365'Frio 5,000'Frio 5,880'
42-391-30315 TOM O'CONNOR (5800'SD)FIELD UNIT · QUINTANA PET. CORP.
0.3 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,300'Anahuac 4,100'Frio 4,362'Frio 4,365'Frio 5,000'Frio 5,880'NO CHANGE
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
42-391-01347 LAMBERT, M.F. · HILCORP ENERGY COMPANY
0.3 mi
SURFACE SAND CLAY 1,500'Lagarto 2,750'Oakville 2,900'Oakville 3,300'Catahoula 3,300'Anahuac 4,100'Catahoula 4,100'Frio 4,265'Anahuac 4,365'Frio 4,785'Frio 5,400'Frio 6,150'
42-391-01349 LAMBERT, M.F. · HILCORP ENERGY COMPANY
0.4 mi
Lagarto 2,750'Oakville 2,900'Oakville 3,300'Catahoula 3,600'Catahoula 4,100'Anahuac 4,100'Anahuac 4,100'Frio 4,265'Greta 4,300'Anahuac 4,365'Frio 4,785'Frio 5,000' +3 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
5,154–5,162 ftPerforated
5,522–5,537 ftPerforated
5,768–5,777 ftPerforated
5,784–5,789 ftPerforated
5,873–5,877 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,505 ft706 sx
5.5"5,937 ft1,270 sx

Records & Logs

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

W-2/G-1 2017-06-23
W-2/G-1 2006-08-21 log on file
W-2/G-1 2006-12-08
W-2/G-1 2004-09-17 log on file
W-2/G-1 2004-09-23
W-2/G-1 2003-03-27 log on file

+3 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 28.332590
Lon -97.189121

Well Details

Well Number
201
Max Depth
6,200 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