42-391-00780

Final Completion

OBRIEN J. J. -A-

REFUGIO County · District 2 · CHILTON ENERGY · GRETA DEEP (5900)

Permits

Max Depth

5,924 ft

First Permit

1986-11-14

Latest Activity

1987-04-01

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: CHILTON ENERGY ≠ Production: ACOCK/ANAQUA OPERATING CO., LP (reported 2017-04)

EWA / Permit operator mismatch

Scheduling: CHILTON ENERGY ≠ Permit: ARCO OIL & GAS CO.

Resolved via: scheduling → CHILTON ENERGY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000078527 permitted 1993-04-13

Permitted Volume

15,000 bbl/d

Max Pressure

800 psi

Injection Interval

4,350–4,470 ft

Injected (12mo)

1,501,263 bbl

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

Operator History

Chain of Custody

CHILTON ENERGY 1993-2001→ ACOCK ENGINEERING & ASSOC., INC. 2001-2002→ ACOCK/ANAQUA OPERATING CO., LC 2002-2004→ ACOCK/ANAQUA OPERATING CO., LP 2004-2017

Lease Production

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

Oil

production & DCA →

Formation Tops (1) Elevation 74 ft (DF)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
GRETA (4400) (Greta)	4,360 ft	-4,286 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
4,376–4,386 ft	Perforated
4,379–4,389 ft	Perforated

Casing (2)

Size	Set Depth	Cement
10.75"	1,275 ft	600 sx
7"	5,924 ft	800 sx

Permit History (2)

#326946 Recompletion Final Completion

O'BRIEN, J. J. "A" · 5,924 ft

1987-04-01

#322713 Recompletion U

O'BRIEN, J. J. 'A' · 5,924 ft

1986-11-14

Applications (2)

#326946 A ARCO OIL & GAS CO.

received 1987-02-23

#322713 A ARCO OIL & GAS CO.

received 1986-11-05

Records & Logs

4 completion filings on record · 2 with log images at RRC.

W-2/G-1 1993-12-22

W-2/G-1 1987-04-27 log on file

W-2/G-1 1987-05-05

W-2/G-1 1984-01-12 log on file

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: 7
Max Depth: 5,924 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: CHILTON ENERGY

Operator

Name: CHILTON ENGY
Location: CORPUS CHRI, ST
P-5 Status: Inactive (filed 2005-10-24)
Cum Oil (all leases): 656,661 bbl
Cum Gas (all leases): 4,612,655 mcf
Total Permits: 81