42-391-31689

Final Completion

HEARD CLEMENT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5900 SAND)

Permits

2

Max Depth

6,100 ft

First Permit

1983-12-02

Latest Activity

1988-02-18

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-01-10

Shut-In

Plugged

!

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 #000090871 permitted 2009-03-16

Permitted Volume

15,000 bbl/d

Max Pressure

1,000 psi

Injection Interval

3,580–4,050 ft

Injected (12mo)

3,167,478 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-09-01)

Lease Production

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

Formation Tops (16) Elevation 55 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,445 ft
LARGARTO (Lagarto)1,838 ft-1,783 ft
OAKVILLE 2,750 ft-2,695 ft
OAKVILLE 2,754 ft-2,699 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,245 ft
CATAHOULA(MIOCENE) (Catahoula)3,300 ft-3,245 ft
CATAHOULA 3,580 ft-3,525 ft
ANAHUAC 4,100 ft-4,045 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,045 ft
GRETA 4,340 ft-4,285 ft
FRIO 4,345 ft-4,290 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,310 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,945 ft
GRETA 5,002 ft-4,947 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,825 ft
JACKSON/YEGUA (Jackson)

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
3,774–3,890 ftPerforated
3,866–3,890 ftPerforated
5,524–5,530 ftPerforated
5,770–5,780 ftPerforated
5,906–5,913 ftPerforated

Casing (2)

SizeSet DepthCement
10.75"1,530 ft770 sx
7"6,100 ft1,310 sx

Permit History (2)

Applications (2)

#342764 A QUINTANA PET. CORP.
received 1988-02-17
#222726 A QUINTANA PET. CORP.
received 1983-11-30

Records & Logs

13 completion filings on record · 3 with log images at RRC.

W-2/G-1 2025-08-19
W-2/G-1 2022-03-03
W-2/G-1 2017-08-21
W-2/G-1 2013-05-02
W-2/G-1 2009-05-14
W-2/G-1 2001-06-20

+7 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
27U
Max Depth
6,100 ft
Drill Type
Vertical
County
REFUGIO
District
2
Completed
1984-01-10

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