42-391-00653

Final Completion

HEARD CLAUDE E. ETAL

REFUGIO County · District 2 · QUINTANA PET. CORP. · TOM OCONNOR N. (5500 SAND)

Permits

Max Depth

5,925 ft

First Permit

1978-03-06

Latest Activity

1990-08-22

Lifespan

12 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: QUINTANA PET. CORP. ≠ Production: HILCORP ENERGY COMPANY (reported 2026-04)

Resolved via: production → HILCORP ENERGY COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Inactive UIC #000116426 permitted 2018-06-28

Permitted Volume

10,000 bbl/d

Max Pressure

2,920 psi

Injection Interval

5,840–5,920 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2018-09-01)

Operator History

Chain of Custody

QUINTANA PET. CORP. 1993-2000→ HILCORP ENERGY COMPANY 2000-2026

Lease Production

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

Formation Tops (7) Elevation 62 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LARGARTO (Lagarto)	1,500 ft	-1,438 ft
OAKVILLE	2,750 ft	-2,688 ft
CATAHOULA(MIOCENE) (Catahoula)	3,300 ft	-3,238 ft
ANAHUAC(MIOCENE) (Anahuac)	4,100 ft	-4,038 ft
FRIO-GRETA(OLIGOCENE) (Frio)	4,365 ft	-4,303 ft
MIDDLE FRIO (SINTON) (Frio)	5,000 ft	-4,938 ft
LOWER FRIO (OLIGOCENE) (Frio)	5,880 ft	-5,818 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 (2)

Interval	Type
4,390–4,400 ft	Perforated
5,829–5,837 ft	Perforated

Casing (3)

Size	Set Depth	Cement
9.625"	1,021 ft	350 sx
2.375"	4,277 ft	—
5.5"	5,923 ft	500 sx

Permit History (2)

#376828 Recompletion Final Completion

HEARD, CLAUDE E., ET AL · 5,925 ft

1990-08-22

Spud 1991-04-22

#19451 Recompletion

HEARD, CLAUDE E., ET AL · 5,925 ft

1978-03-06

Applications (2)

#376828 A QUINTANA PET. CORP.

received 1990-08-20

#19451 A QUINTANA PET. CORP.

received 1978-03-06

Records & Logs

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

W-2/G-1 1991-05-15 log on file

W-2/G-1 1978-04-27

W-2/G-1 1984-01-12

Completion packets + logs ↗ Wellbore 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: 23
Max Depth: 5,925 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: QUINTANA PET. CORP.

Operator

Name: QUINTANA PET. CORP
Location: REFUGIO
P-5 Status: Inactive (filed 2000-08-16)
Cum Oil (all leases): 27,323,168 bbl
Cum Gas (all leases): 96,000,536 mcf
Total Permits: 1,589