42-391-31806

Final Completion

WILLIAMS MAUDE ETAL -A-

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

Permits

Max Depth

4,700 ft

First Permit

1984-10-12

Latest Activity

2004-06-14

Lifespan

20 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

Injection / Disposal

W-14 Disposal Active UIC #000095409 permitted 2022-12-16

Permitted Volume

15,000 bbl/d

Max Pressure

1,410 psi

Injection Interval

2,820–4,020 ft

Injected (12mo)

424,971 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

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 (13) Elevation 56 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RECENT (WATER SANDS)	1 ft	+55 ft
LARGARTA (Lagarto)	1,400 ft	-1,344 ft
LARGARTO (Lagarto)	2,750 ft	-2,694 ft
OAKVILLE	2,800 ft	-2,744 ft
OAKVILLE	3,300 ft	-3,244 ft
CATAHOULA	3,500 ft	-3,444 ft
ANAGUAC	4,050 ft	-3,994 ft
CATAHOULA (MIOCENE) (Catahoula)	4,100 ft	-4,044 ft
GRETA	4,300 ft	-4,244 ft
ANAHUAC (MIOCENE) (Anahuac)	4,365 ft	-4,309 ft
ANAHUAC	4,375 ft	-4,319 ft
FRIO-GRETA (OLIG) (Frio)	4,650 ft	-4,594 ft
FRIO-GRETA (OLIG) (Frio)	—	—

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 (8)

Interval	Type
3,380–3,430 ft	Perforated
3,900–3,917 ft	Perforated
3,900–3,980 ft	Perforated
3,932–3,940 ft	Perforated
3,964–3,980 ft	Perforated
4,090–4,496 ft	Perforated
4,115–4,122 ft	Perforated
4,138–4,149 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	1,517 ft	840 sx
5.5"	4,632 ft	950 sx

Permit History (2)

#546630 Recompletion Final Completion

MAUDE WILLIAMS ET AL "A" · 4,650 ft

2004-06-14

Spud 2004-07-13

#254623 Drill Final Completion

WILLIAMS, MAUDE ET AL "A" · 4,700 ft

1984-10-12

Spud 1984-10-24

Applications (2)

#546630 A HILCORP ENERGY COMPANY

received 2004-06-07

#254623 A QUINTANA PET. CORP.

received 1984-10-10

Records & Logs

6 completion filings on record · 1 with log images at RRC.

W-2/G-1 2023-01-09

W-2/G-1 2005-10-05

W-2/G-1 2004-08-02 log on file

W-2/G-1 2005-03-01

W-2/G-1 1984-12-07

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: D140
Max Depth: 4,700 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: HILCORP ENERGY COMPANY
Completed: 1984-11-19

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