42-391-31779

Final Completion

WILLIAMS MAUDE ETAL -A-

REFUGIO County · District 2 · HILCORP ENERGY COMPANY · LAKE PASTURE (H-440 SAND)

Permits

6

Max Depth

6,100 ft

First Permit

1984-09-04

Latest Activity

2017-06-29

Lifespan

33 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-11-19

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 (13) Elevation 55 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RECENT (WATER SAND)1 ft+54 ft
LARGARTA (Lagarto)1,400 ft-1,345 ft
OAKVILLE 2,800 ft-2,745 ft
CATAHOULA 3,500 ft-3,445 ft
CATAHOULA 3,662 ft-3,607 ft
CATAHOULA 3,664 ft-3,609 ft
ANAGUAC4,050 ft-3,995 ft
GRETA 4,300 ft-4,245 ft
FRIO 4,343 ft-4,288 ft
FRIO 4,344 ft-4,289 ft
JACKSON-YEGUA (Jackson)
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
42-391-00285 WILLIAMS, MAUDE ET AL "A" · QUINTANA PET. CORP.
0.1 mi
Lagarto 2,750'Oakville 3,300'Catahoula 3,659'Catahoula 4,100'Catahoula 4,100'Frio 4,348'Anahuac 4,365'Anahuac 4,365'Frio 4,785'Frio 4,785'Frio 5,400'Frio 5,400' +3 more
42-391-31513 WILLIAMS, MAUDE ETAL -A- · QUINTANA PET. CORP.
0.3 mi
NO CHANGE Catahoula Miocene (undifferentiated) Greta
42-391-33302 T-C OIL CO. - O'CONNOR · T-C OIL COMPANY, LLC
0.4 mi
Miocene (undifferentiated) 2,460'Catahoula 3,700'Greta 4,360'Lagarto Frio Jackson
42-391-33304 T-C OIL CO. - O'CONNOR · T-C OIL COMPANY, LLC
0.4 mi
Miocene (undifferentiated) 2,240'Catahoula 3,700'Greta 4,365'Frio Jackson
42-391-31997 T-C OIL CO.-O'CONNOR · T-C OIL COMPANY, LLC
0.5 mi
Lagarto 1'EOCENE 2,180'Miocene (undifferentiated) 3,020'Miocene (undifferentiated) 3,125'Catahoula 3,670'Catahoula 3,695'Greta 4,350'Greta 4,364'Lagarto
42-391-33307 T-C OIL CO. - O'CONNOR · T-C OIL COMPANY, LLC
0.5 mi
Miocene (undifferentiated) 2,405'Catahoula 3,700'Greta 4,370'Lagarto Jackson Frio
42-391-30026 T-C OIL CO. - O'CONNOR · T-C OIL COMPANY, LLC
0.5 mi
Miocene (undifferentiated) 2,240'Catahoula 3,705'Greta 4,370'Frio 5,095'
42-391-32039 WILLIAMS, MAUDE ETAL -A- · QUINTANA PET. CORP.
0.5 mi
Lagarto 1,500'Oakville 2,750'Lagarto 2,750'Catahoula 3,300'Catahoula 3,300'Anahuac 4,100'Anahuac 4,100'Frio 4,362'Frio 4,365'Frio 5,000'

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
4,505–4,510 ftPerforated
5,215–5,221 ftPerforated
5,296–5,303 ftPerforated
5,737–5,742 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,512 ft770 sx
5.5"6,111 ft1,130 sx

Records & Logs

6 completion filings on record.

W-2/G-1 2017-07-19
W-2/G-1 2014-09-25
W-2/G-1 2005-06-01
W-2/G-1 2005-07-14
W-2/G-1 1984-11-13
W-2/G-1 1984-11-28

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 28.418233
Lon -97.071231

Well Details

Well Number
D131
Max Depth
6,100 ft
Drill Type
Vertical
County
REFUGIO
District
2
Completed
1984-11-19

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
3,436