42-391-31175

WILLIAMS MAUDE ETAL -A-

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

Permits

Max Depth

4,000 ft

First Permit

1977-09-06

Latest Activity

1977-11-07

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1977-10-04

Shut-In

—

Plugged

2000-03-22

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: QUINTANA PET. CORP.

Resolved via: production → HILCORP ENERGY COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

W-14 Disposal Plugged 2000-03-30 UIC #000001740 permitted 1991-04-04

Permitted Volume

3,000 bbl/d

Max Pressure

1,850 psi

Injection Interval

3,740–3,788 ft

Injected (12mo)

—

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 (4) Elevation 55 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LARGARTA (Lagarto)	1,400 ft	-1,345 ft
OAKVILLE	2,800 ft	-2,745 ft
CATAHOULA	3,500 ft	-3,445 ft
ANAGUAC	4,050 ft	-3,995 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 ↗

Perforations (2)

Interval	Type
3,828–3,856 ft	Perforated
?–3,856 ft	Perforated

Casing (2)

Size	Set Depth	Cement
10.75"	1,512 ft	900 sx
7"	4,198 ft	850 sx

Permit History (2)

#11455 Drill

WILLIAMS, MAUDE ET AL "A" · 4,000 ft

1977-11-07

#6828 Drill

WILLIAMS, MAUDE ET AL "A" · 4,000 ft

1977-09-06

Spud 1977-09-19

Applications (2)

#11455 A QUINTANA PET. CORP.

received 1977-11-07

#6828 A QUINTANA PET. CORP.

received 1977-09-06

Records & Logs

2 completion filings on record.

W-2/G-1 1993-02-25

W-2/G-1 1984-01-12

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: D-2-SW
Max Depth: 4,000 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: HILCORP ENERGY COMPANY
Completed: 1977-10-04

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