42-391-01151

O CONNOR THOMAS -C-

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

Permits

3

Max Depth

5,925 ft

First Permit

1986-02-12

Latest Activity

1987-07-21

Lifespan

1 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

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

H-1 Injection Cancelled 1995-02-02 UIC #000066570 permitted 1987-08-27

Permitted Volume

10,000 bbl/d

Max Pressure

2,250 psi

Injection Interval

5,738–5,754 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 (8) Elevation 54 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,446 ft
OAKVILLE 2,750 ft-2,696 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,246 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,046 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,311 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,946 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,826 ft
LOWER FRIO(OLIGOCENE) (Frio)5,880 ft-5,826 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 (3)

IntervalType
5,543–5,549 ftPerforated
5,551–5,554 ftPerforated
5,738–5,754 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,049 ft350 sx
5"5,923 ft500 sx

Permit History (3)

Applications (3)

#333088 A QUINTANA PET. CORP.
received 1988-12-22
#333088 A QUINTANA PET. CORP.
received 1987-07-20
#297656 A QUINTANA PET. CORP.
received 1986-02-11

Records & Logs

6 completion filings on record · 1 with log images at RRC.

W-2/G-1 1988-08-31 log on file
W-2/G-1 1988-02-08
W-2/G-1 1988-05-06
W-2/G-1 1986-06-30
W-2/G-1 1986-07-08
W-2/G-1 1984-01-12

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
Q237
Max Depth
5,925 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