42-391-31923

Final Completion

LAMBERT E, M.F.

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

4

Max Depth

5,950 ft

First Permit

1986-06-17

Latest Activity

2024-07-01

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

Injection / Disposal

H-1 Injection Active UIC #000126072 permitted 2023-09-20

Permitted Volume

10,000 bbl/d

Max Pressure

1,800 psi

Injection Interval

5,630–5,700 ft

Injected (12mo)

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

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 (13) Elevation 48 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,452 ft
OAKVILLE 2,750 ft-2,702 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,252 ft
CATAHOULA 3,637 ft-3,589 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,052 ft
FRIO 4,362 ft-4,314 ft
GRETA 4,362 ft-4,314 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,317 ft
FRIO 4,785 ft-4,737 ft
GRETA 4,785 ft-4,737 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,952 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,832 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
42-391-01398 LAMBERT, M.F. · HILCORP ENERGY COMPANY
0.2 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
42-391-01375 TOM O'CONNOR (5800 SD)FIELD UNIT · QUINTANA PET. CORP.
0.2 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'
42-391-32696 TOM O'CONNOR (5800 SD) FLD. UNIT · HILCORP ENERGY COMPANY
0.2 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'NO CHANGE Jackson +1 more
42-391-30343 TOM O'CONNOR (5800SD) FLD UNIT · QUINTANA PET. CORP.
0.2 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'
42-391-31888 TOM O'CONNOR (5800 SD) FLD UNIT · QUINTANA PET. CORP.
0.2 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,656'Anahuac 4,100'Frio 4,365'Frio 4,406'Frio 5,000'Frio 5,880'Jackson NO CHANGE
42-391-32066 TOM O'CONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.3 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
42-391-30315 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
42-391-01364 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

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 (4)

IntervalType
4,359–4,370 ftPerforated
5,649–5,656 ftPerforated
5,754–5,770 ftPerforated
5,776–5,782 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,512 ft618 sx
5.5"5,941 ft1,030 sx

Permit History (4)

Applications (4)

#900423 A HILCORP ENERGY COMPANY
received 2024-06-12
#890909 A HILCORP ENERGY COMPANY
received 2023-05-25
#868306 A HILCORP ENERGY COMPANY
received 2021-03-10
#303309 A QUINTANA PET. CORP.
received 1986-06-12

Records & Logs

7 completion filings on record · 1 with log images at RRC.

W-2/G-1 2024-11-05
W-2/G-1 2024-10-17
W-2/G-1 2023-08-29
W-2/G-1 2023-07-12
W-2/G-1 2022-12-07
W-2/G-1 2020-08-24

+1 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 28.333827
Lon -97.185280

Well Details

Well Number
A 10
Max Depth
5,950 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
3,435