← Wells

42-391-01380

Final Completion

LAMBERT M. F.

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

Permits

7

Max Depth

5,904 ft

First Permit

1981-06-08

Latest Activity

2019-11-25

Lifespan

38 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→ QUINTANA PET. CORP. 1993-2000→ PENNZENERGY EXP. & PROD., L.L.C. 1999-2000→ DEVON ENERGY PRODUCTION CO, L.P. 2000-2002→ HILCORP ENERGY COMPANY 2000-2026

Lease Production

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

Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →

Formation Tops (4) Elevation 50 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CATAHOULA 3,631 ft-3,581 ft
FRIO 4,363 ft-4,313 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
✓ 42-391-32723 TOM O'CONNOR (5800 SD) FLD UNIT · HILCORP ENERGY COMPANY
0.0 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
✓ 42-391-01396 TOM O'CONNOR (5800 SD) FLD. UNIT · PENNZOIL PRODUCING CO.
0.1 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 —
✓ 42-391-32696 TOM O'CONNOR (5800 SD) FLD. UNIT · HILCORP ENERGY COMPANY
0.1 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 —Frio — +1 more
✓ 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 —
✓ 42-391-01401 M. F. LAMBERT · HILCORP ENERGY COMPANY
0.2 mi
Catahoula 3,636'Frio 4,370'Jackson —
✓ 42-391-01364 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'Catahoula 3,300'Anahuac 4,100'Anahuac 4,100'Frio 4,365'Frio 4,365'Frio 4,365'Frio 5,000'5400 5,342' +4 more
✓ 42-391-31923 TOM O'CONNOR (5800'SD)FIELD UNIT · QUINTANA PET. CORP.
0.4 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
✓ 42-391-01394 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
5,160–5,166 ftPerforated
5,533–5,536 ftPerforated
5,595–5,606 ftPerforated
5,597–5,606 ftPerforated
5,684–5,690 ftPerforated
5,780–5,788 ftPerforated
5,873–? ftPerforated

Casing (5)

SizeSet DepthCement
10.75"1,215 ft500 sx
10.75"1,215 ft500 sx
2.375"5,518 ft—
7"5,894 ft500 sx
7"5,894 ft500 sx

Permit History (7)

#859388 Recompletion Final Completion

M. F. LAMBERT · 5,904 ft

2019-11-25

Spud 2019-12-19

#826448 Recompletion Final Completion

M. F. LAMBERT · 5,904 ft

2017-05-25

Spud 2017-05-08

#802522 Recompletion

LAMBERT GAS UNIT · 5,904 ft

2015-01-13

#802522 Recompletion Final Completion

M. F. LAMBERT · 5,904 ft

2015-01-13

Spud 2015-01-14

#646723 Recompletion Final Completion

TOM O'CONNOR (5800 SD)FLD UNIT · 5,904 ft

2007-09-28

Spud 2007-09-18

#611175 Recompletion Final Completion

LAMBERT, M. F. · 5,904 ft

2005-12-16

Spud 2005-11-08

#121136 Recompletion Final Completion

LAMBERT, M.F. · 5,904 ft

1981-06-08

Applications (7)

#859388 A HILCORP ENERGY COMPANY
received 2019-11-22
#826448 A HILCORP ENERGY COMPANY
received 2017-05-09
#802522 A HILCORP ENERGY COMPANY
received 2015-01-23
#802522 A HILCORP ENERGY COMPANY
received 2015-01-08
#646723 A HILCORP ENERGY COMPANY
received 2007-09-25
#611175 A HILCORP ENERGY COMPANY
received 2005-12-16
#121136 A PENNZOIL PRODUCING CO.
received 1981-06-08

Records & Logs

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

W-2/G-1 2020-01-02
W-2/G-1 2017-06-22
W-2/G-1 2015-01-30
W-2/G-1 2007-10-11 log on file
W-2/G-1 2008-01-25
W-2/G-1 2006-01-09 log on file

+3 more filings

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 28.338780
Lon -97.183150

Well Details

Well Number
39
Max Depth
5,904 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