42-391-31792

INJECTION

WILLIAMS MAUDE ETAL -A-

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

Permits

1

Max Depth

4,700 ft

First Permit

1984-09-20

Latest Activity

1984-09-20

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-06-16

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

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

Resolved via: productionHILCORP 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 #000125733 permitted 2023-01-30

Permitted Volume

15,000 bbl/d

Max Pressure

1,420 psi

Injection Interval

2,840–3,970 ft

Injected (12mo)

1,119,851 bbl

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

Lease Production

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

Formation Tops (7) Elevation 55 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RECENT (WATER SANDS)1 ft+54 ft
LARGARTA (Lagarto)1,400 ft-1,345 ft
LARGARTO (Lagarto)1,400 ft-1,345 ft
OAKVILLE 2,800 ft-2,745 ft
CATAHOULA 3,500 ft-3,445 ft
ANAGUAC4,050 ft-3,995 ft
GRETA 4,300 ft-4,245 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 (4)

IntervalType
3,810–3,830 ftPerforated
3,900–3,927 ftPerforated
4,416–4,445 ftPerforated
4,496–4,501 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,524 ft900 sx
5.5"4,664 ft950 sx

Permit History (1)

Applications (1)

#251945 A QUINTANA PET. CORP.
received 1984-09-19

Records & Logs

6 completion filings on record.

W-2/G-1 2023-07-26
W-2/G-1 2023-03-21
W-2/G-1 2022-07-28
W-2/G-1 2022-08-12
W-2/G-1 1984-12-31
W-2/G-1 1985-01-05

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
D144
Max Depth
4,700 ft
Drill Type
Vertical
County
REFUGIO
District
2
Completed
2023-06-16

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