42-391-32506

Unperfed Completion

WILLIAMS MAUDE ETAL -A-

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

Permits

Max Depth

4,680 ft

First Permit

2003-04-15

Latest Activity

2014-09-11

Lifespan

11 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2003-06-25

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

QUINTANA PET. CORP. 1993-2000→ 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.

Formation Tops (8) Elevation 54 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LARGARTO (Lagarto)	2,750 ft	-2,696 ft
OAKVILLE	3,300 ft	-3,246 ft
CATAHOULA	3,700 ft	-3,646 ft
ANAHUAC	4,365 ft	-4,311 ft
FRIO	4,408 ft	-4,354 ft
FRIO-GRETA (Frio)	4,785 ft	-4,731 ft
MIDDLE FRIO (Frio)	5,400 ft	-5,346 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 ↗

Perforations (5)

Interval	Type
4,408–4,421 ft	Perforated
4,426–4,431 ft	Perforated
4,434–4,450 ft	Perforated
4,466–4,474 ft	Perforated
4,476–4,488 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	1,510 ft	600 sx
5.5"	4,680 ft	685 sx

Permit History (3)

#794703 Recompletion Unperfed Completion

MAUDE WILLIAMS ET AL 'A' · 4,680 ft

2014-09-11

Spud 2014-09-10

#605933 Recompletion Final Completion

WILLIAMS, MAUDE ET AL "A" · 4,680 ft

2005-09-12

#530696 Drill Final Completion

WILLIAMS, MAUDE ET AL "A" · 4,650 ft

2003-04-15

Spud 2003-05-20

Applications (3)

#794703 A HILCORP ENERGY COMPANY

received 2014-08-22

#605933 A HILCORP ENERGY COMPANY

received 2005-09-06

#530696 A HILCORP ENERGY COMPANY

received 2003-04-14

Records & Logs

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

W-2/G-1 2014-12-17

W-2/G-1 2006-03-14 log on file

W-2/G-1 2006-10-12

W-2/G-1 2003-08-19 log on file

W-2/G-1 2003-08-25

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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in REFUGIO County.

Well Details

Well Number: D166
Max Depth: 4,680 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: HILCORP ENERGY COMPANY
Completed: 2003-06-25

Operator

Name: HILCORP ENGY CO
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