← Wells

42-391-31289

LAMBERT, M.F.

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

4

Max Depth

4,900 ft

First Permit

1978-10-23

Latest Activity

2024-07-26

Lifespan

46 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

Operator History

Chain of Custody

PENNZOIL EXPLORATION & PROD. CO. 1993-1999→ PENNZENERGY EXP. & PROD., L.L.C. 1999-2000→ DEVON ENERGY PRODUCTION CO, L.P. 2000-2001→ HILCORP ENERGY COMPANY 2001-2026

Lease Production

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

Oil
production & DCA →

Formation Tops (3) Elevation 73 ft (DF)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
L-31,855 ft-1,782 ft
L-82,221 ft-2,148 ft
44004,355 ft-4,282 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
✓ 42-391-33267 O'CONNOR · GRETA OPERATING COMPANY LLC
0.9 mi
Catahoula 3,455'Frio 4,323'Jackson —
✓ 42-391-33151 THOMAS O'CONNOR · ACOCK/ANAQUA OPERATING CO., LP
1.1 mi
Catahoula 3,452'Frio 4,274'Jackson —
✓ 42-391-00847 HEARD, CLEMENT · HILCORP ENERGY COMPANY
1.1 mi
Catahoula 3,616'Frio 4,397'Jackson —
✓ 42-391-33276 J.M. O'BRIEN JLB · JURA ENERGY OPERATING LLC
1.4 mi
Catahoula 3,461'Frio 4,359'Jackson —
✓ 42-391-31896 TOM OCONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
1.4 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Anahuac 4,100'Frio 4,365'Frio 5,000'Frio 5,880'NO CHANGE —
✓ 42-391-00842 HEARD, CLEMENT · HILCORP ENERGY COMPANY
1.5 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,589'Anahuac 4,100'Frio 4,354'Frio 4,365'Frio 5,000'Frio 5,880'Jackson —
✓ 42-391-32970 TOM O'CONNOR (5800 SD) FLD. UNIT · HILCORP ENERGY COMPANY
1.5 mi
Lagarto 2,750'Catahoula 3,599'Catahoula 3,600'Oakville 4,100'Greta 4,300'Frio 4,355'Frio 4,360'Anahuac 4,365'Frio 5,000'TOP 5800 5,779'Frio 5,800'Frio 7,855' +3 more
✓ 42-391-01171 TOM O'CONNOR (4150 FT. SD.) UNIT · HILCORP ENERGY COMPANY
1.6 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,559'Anahuac 4,100'Frio 4,332'Frio 4,365'Frio 5,000'Frio 5,880'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
4,360–4,370 ftPerforated
4,367–4,370 ftPerforated

Casing (3)

SizeSet DepthCement
10.75"1,390 ft845 sx
2.375"4,346 ft—
5.5"4,535 ft580 sx

Permit History (4)

#901450 Recompletion

LAMBERT, M.F. · 4,535 ft

2024-07-26

#684650 Recompletion

LAMBERT GAS UNIT · 4,535 ft

2009-09-08

#684650 Recompletion

LAMBERT GAS UNIT · 4,535 ft

2009-09-08

#36517 Drill Final Completion

LAMBERT, M. F. · 4,900 ft

1978-10-23

Spud 1979-03-30

Applications (4)

#901450 A HILCORP ENERGY COMPANY
received 2024-07-19
#684650 A HILCORP ENERGY COMPANY
received 2010-07-30
#684650 A HILCORP ENERGY COMPANY
received 2009-08-31
#36517 A PENNZOIL PRODUCING CO.
received 1978-10-23

Records & Logs

2 completion filings on record.

W-2/G-1 2024-11-21
W-2/G-1 1979-05-07
Completion packets + logs ↗ Wellbore 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.

Google Maps → Explorer Map →
Lat 28.372660
Lon -97.183182

Well Details

Well Number
144
Max Depth
4,900 ft
Drill Type
Vertical
County
REFUGIO
District
2
Operator
HILCORP ENERGY COMPANY

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