42-391-31794

WILLIAMS, MAUDE ET AL "A"

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

Max Depth

4,700 ft

First Permit

1984-09-21

Latest Activity

2008-09-11

Lifespan

24 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

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.

Oil

production & DCA →

Formation Tops (14) Elevation 53 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RECENT (WATER SANDS)	1 ft	+52 ft
LARGARTA (Lagarto)	1,400 ft	-1,347 ft
L-167	1,669 ft	-1,616 ft
L-206	2,109 ft	-2,056 ft
L206	2,109 ft	-2,056 ft
E-264	2,639 ft	-2,586 ft
OAKVILLE	2,800 ft	-2,747 ft
CATAHOULA	3,500 ft	-3,447 ft
CATAHOULA	3,675 ft	-3,622 ft
ANAGUAC	4,050 ft	-3,997 ft
GRETA	4,300 ft	-4,247 ft
FRIO	4,364 ft	-4,311 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 ↗

Perforations (4)

Interval	Type
3,582–3,586 ft	Perforated
4,422–4,454 ft	Perforated
4,495–4,501 ft	Perforated
4,529–4,534 ft	Perforated

Casing (3)

Size	Set Depth	Cement
9.875"	1,514 ft	785 sx
9.625"	1,514 ft	785 sx
5.5"	4,637 ft	960 sx

Permit History (2)

#669680 Recompletion

WILLIAMS, MAUDE ET AL "A" · 4,639 ft

2008-09-11

#252155 Drill Final Completion

WILLIAMS, MAUDE ET AL "A" · 4,700 ft

1984-09-21

Spud 1984-10-18

Applications (2)

#669680 A HILCORP ENERGY COMPANY

received 2008-08-22

#252155 A QUINTANA PET. CORP.

received 1984-09-19

Records & Logs

5 completion filings on record.

W-2/G-1 2023-04-25

W-2/G-1 2018-08-08

W-2/G-1 2008-10-02

W-2/G-1 1984-12-20

W-2/G-1 1985-01-05

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: D143
Max Depth: 4,700 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: HILCORP ENERGY COMPANY

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