42-391-00421

MAUDE WILLIAMS ET AL "A"

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

8

Max Depth

5,923 ft

First Permit

1979-01-04

Latest Activity

2009-10-01

Lifespan

31 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

Injection / Disposal

H-1 Injection Cancelled 1986-06-23 UIC #000001989 permitted 1984-12-03

Permitted Volume

6,000 bbl/d

Max Pressure

2,250 psi

Injection Interval

Injected (12mo)

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (15) Elevation 53 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,447 ft
LARGARTO (Lagarto)2,750 ft-2,697 ft
OAKVILLE 2,750 ft-2,697 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,247 ft
OAKVILLE 3,300 ft-3,247 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,047 ft
CATAHOULA (MIOCENE) (Catahoula)4,100 ft-4,047 ft
ANAHUAC (MIOCENE) (Anahuac)4,365 ft-4,312 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,312 ft
FRIO-GRETA (Frio)4,785 ft-4,732 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,947 ft
MIDDLE FRIO (SINTON) (Frio)5,400 ft-5,347 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,827 ft
LOWER FRIO (OLIGOCENE) (Frio)5,923 ft-5,870 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 (5)

IntervalType
1,785–1,809 ftPerforated
4,146–4,157 ftPerforated
5,459–5,465 ftPerforated
?–5,806 ftPerforated
?–5,902 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"1,062 ft350 sx
2.375"1,808 ft
5"5,923 ft500 sx

Permit History (8)

Applications (8)

#685707 A HILCORP ENERGY COMPANY
received 2009-11-17
#685707 A HILCORP ENERGY COMPANY
received 2009-10-01
#503763 A HILCORP ENERGY COMPANY
received 2001-01-08
#469511 A QUINTANA PET. CORP.
received 1997-10-31
#462945 A QUINTANA PET. CORP.
received 1997-05-27
#408142 A QUINTANA PET. CORP.
received 1993-01-15
#257824 A QUINTANA PET. CORP.
received 1984-11-12
#40181 A QUINTANA PET. CORP.
received 1979-01-04

Records & Logs

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

W-2/G-1 2001-01-18 log on file
W-2/G-1 2001-04-04
W-2/G-1 1997-06-18 log on file
W-2/G-1 1997-11-17
W-2/G-1 1986-06-12
W-2/G-1 1984-05-25

+2 more 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
7
Max Depth
5,923 ft
Drill Type
Vertical
County
REFUGIO
District
2

Operator

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