42-391-00477

MAUDE WILLIAMS ET AL 'A'

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

2

Max Depth

5,925 ft

First Permit

2000-03-03

Latest Activity

2017-12-18

Lifespan

18 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 Inactive UIC #000116038 permitted 2018-02-14

Permitted Volume

10,000 bbl/d

Max Pressure

2,735 psi

Injection Interval

5,470–5,530 ft

Injected (12mo)

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 (8) Elevation 66 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SURFACE SAND CLAY1,500 ft-1,434 ft
LARGARTO (Lagarto)2,750 ft-2,684 ft
OAKVILLE 3,300 ft-3,234 ft
CATAHOULA 4,100 ft-4,034 ft
ANAHUAC (MIOCENE) (Anahuac)4,365 ft-4,299 ft
FRIO-GRETA (OLIGOCEN) (Frio)4,785 ft-4,719 ft
MIDDLE FRIO (SINTON) (Frio)5,400 ft-5,334 ft
LOWER FRIO (OLIG) (Frio)5,925 ft-5,859 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
42-391-00480 MAUDE WILLIAMS ET AL 'A' · HILCORP ENERGY COMPANY
0.3 mi
Catahoula 3,639'Frio 4,423'Jackson
42-391-32944 WILLIAMS, MAUDE ET AL 'C' · HILCORP ENERGY COMPANY
0.5 mi
Lagarto 2,750'Oakville 3,300'Catahoula 3,693'Catahoula 4,100'ANANHUAC 4,365'Frio 4,437'Frio 4,785'Frio 5,400'Frio 6,200'Jackson
42-391-32627 WILLIAMS, MAUDE ET AL "C" · HILCORP ENERGY COMPANY
0.5 mi
Lagarto 2,750'Oakville 3,300'CATAHOLA (MIOCENE) 4,100'ANANHUAC (MIOCENE) 4,365'Frio 4,785'Frio 5,400'NO CHANGE Frio
42-391-00451 TOM O'CONNOR(5800 SD)FLD UNIT · HILCORP ENERGY COMPANY
0.6 mi
SURFACE SD CLAY 1,500'Lagarto 2,750'Oakville 3,300'Catahoula 3,604'Catahoula 4,100'Anahuac 4,365'Frio 4,398'Frio 4,785'Frio 5,400'Frio 5,917'Jackson NO CHANGE
42-391-00488 WILLIAMS, MAUDE, ET AL -A- · QUINTANA PET. CORP.
0.6 mi
Lagarto 1,500'SURFACE SAND CLAY 1,500'Oakville 2,750'Lagarto 2,750'Oakville 3,300'Catahoula 3,300'Catahoula 3,612'Catahoula 4,100'Anahuac 4,100'Anahuac 4,365'Anahuac 4,365'Frio 4,365' +9 more
42-391-00501 WILLIAMS, MAUDE ET AL 'C' · HILCORP ENERGY COMPANY
0.6 mi
Catahoula 3,685'Frio 4,433'Jackson
42-391-00455 WILLIAMS, MAUDE ET AL -A- · HILCORP ENERGY COMPANY
0.7 mi
SURFACE SAND CLAY 1,500'Lagarto 2,750'Oakville 3,300'Catahoula 3,592'Catahoula 4,100'Catahoula 4,100'Anahuac 4,365'Frio 4,385'Frio 4,785'Frio 5,400'Frio 5,925'Jackson
42-391-00448 WILLIAMS, MAUDE ET AL "A" · QUINTANA PET. CORP.
0.9 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,603'Anahuac 4,100'Frio 4,361'Frio 4,365'Frio 5,000'Frio 5,880'Jackson 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 (1)

IntervalType
5,846–5,864 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,030 ft350 sx
5"5,910 ft550 sx

Permit History (2)

Applications (2)

#833893 A HILCORP ENERGY COMPANY
received 2017-12-05
#492529 A QUINTANA PET. CORP.
received 2000-02-28

Records & Logs

4 completion filings on record.

W-2/G-1 2000-03-16
W-2/G-1 2000-03-16
W-2/G-1 2000-04-12
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 28.394329
Lon -97.106807

Well Details

Well Number
47
Max Depth
5,925 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