42-391-00220

MAUDE WILLIAMS ET AL "A"

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

7

Max Depth

6,106 ft

First Permit

1989-04-20

Latest Activity

2010-05-26

Lifespan

21 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

W-14 Disposal Cancelled 2014-11-21 UIC #000001734 permitted 2014-07-07

Permitted Volume

20,000 bbl/d

Max Pressure

1,500 psi

Injection Interval

3,000–4,000 ft

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 57 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,443 ft
LARGARTO (Lagarto)2,750 ft-2,693 ft
OAKVILLE 2,750 ft-2,693 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,243 ft
OAKVILLE 3,300 ft-3,243 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,043 ft
CATAHOULA (MIOCENE) (Catahoula)4,100 ft-4,043 ft
ANAHUAC (MIOCENE) (Anahuac)4,365 ft-4,308 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,308 ft
FRIO-GRETA (OLIG) (Frio)4,785 ft-4,728 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,943 ft
MIDDLE FRIO (SINTON) (Frio)5,400 ft-5,343 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,823 ft
LOWER FRIO (OLIGOCENE) (Frio)6,106 ft-6,049 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 (8)

IntervalType
4,975–4,990 ftPerforated
5,001–5,007 ftPerforated
5,039–5,045 ftPerforated
5,286–5,292 ftPerforated
5,294–5,300 ftPerforated
5,381–5,387 ftPerforated
5,500–5,504 ftPerforated
?–5,520 ftPerforated

Casing (3)

SizeSet DepthCement
10.75"1,534 ft450 sx
10.75"1,535 ft450 sx
7"6,018 ft1,105 sx

Records & Logs

10 completion filings on record · 4 with log images at RRC.

W-2/G-1 2010-10-27 log on file
W-2/G-1 2011-01-12
W-2/G-1 2005-06-03 log on file
W-2/G-1 2005-06-30
W-2/G-1 1997-03-10 log on file
W-2/G-1 1997-04-11

+4 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
D 3G
Max Depth
6,106 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