42-391-31781

INJECTION

WILLIAMS MAUDE ETAL -A-

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

Permits

Max Depth

4,701 ft

First Permit

1984-09-04

Latest Activity

1987-04-07

Lifespan

3 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

1987-08-14

Shut-In

—

Plugged

—

P-5 Org Status: X

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 Active UIC #000062955 permitted 1987-06-15

Permitted Volume

7,500 bbl/d

Max Pressure

1,500 psi

Injection Interval

3,770–3,800 ft

Injected (12mo)

537,838 bbl

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

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.

Oil

production & DCA →

Formation Tops (12) Elevation 55 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RECENT (WATER SAND)	1 ft	+54 ft
LARGARTA (Lagarto)	1,400 ft	-1,345 ft
LARGARTO (Lagarto)	1,500 ft	-1,445 ft
OAKVILLE	2,750 ft	-2,695 ft
OAKVILLE	2,800 ft	-2,745 ft
CATAHOULA (MIOCENE) (Catahoula)	3,300 ft	-3,245 ft
CATAHOULA	3,500 ft	-3,445 ft
ANAGUAC	4,050 ft	-3,995 ft
ANAHUAC (MIOCENE) (Anahuac)	4,100 ft	-4,045 ft
GRETA	4,300 ft	-4,245 ft
FRIO-GRETA (Frio)	4,365 ft	-4,310 ft
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
3,770–3,784 ft	Perforated
3,770–3,798 ft	Perforated
3,790–3,798 ft	Perforated
4,493–4,497 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	1,555 ft	850 sx
5.5"	4,695 ft	985 sx

Permit History (2)

#328598 Recompletion Final Completion

WILLIAMS, MAUDE ET AL "A" · 4,701 ft

1987-04-07

#250361 Drill Final Completion

WILLIAMS, MAUDE ET AL "A" · 4,650 ft

1984-09-04

Spud 1984-10-11

Applications (2)

#328598 A QUINTANA PET. CORP.

received 1987-04-03

#250361 A QUINTANA PET. CORP.

received 1984-08-22

Records & Logs

4 completion filings on record.

W-2/G-1 2001-01-03

W-2/G-1 1987-09-08

W-2/G-1 1984-11-15

W-2/G-1 1984-11-28

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: D133
Max Depth: 4,701 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: HILCORP ENERGY COMPANY
Completed: 1987-08-14

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