42-391-31158

Final Completion

OBRIEN J. M. -A-

REFUGIO County · District 2 · CHILTON ENERGY · GRETA (4400)

Permits

Max Depth

4,450 ft

First Permit

1977-09-12

Latest Activity

1993-12-16

Lifespan

16 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1978-04-03

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Cancelled 2002-12-03 UIC #000074052 permitted 1991-01-14

Permitted Volume

7,500 bbl/d

Max Pressure

150 psi

Injection Interval

4,340–4,370 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 (2)

CSV

Formation	Top Depth (MD)
GRETA (0-3) (Greta)	3,015 ft
GRETA (4400) (Greta)	4,350 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗

Perforations (2)

Interval	Type
3,013–3,015 ft	Perforated
?–4,356 ft	Perforated

Casing (2)

Size	Set Depth	Cement
10.75"	1,300 ft	600 sx
7"	4,468 ft	355 sx

Permit History (2)

#418261 Recompletion Final Completion

O'BRIEN, J.M. A · 3,305 ft

1993-12-16

Spud 1993-10-15

#7887 Drill Long String Casing

O'BRIEN,J. M. "A" · 4,450 ft

1977-09-12

Applications (2)

#418261 A CHILTON ENERGY

received 1993-11-15

#7887 A AMOCO PRODUCTION COMPANY

received 1977-09-12

Records & Logs

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

W-2/G-1 1993-11-30 log on file

W-2/G-1 1994-02-09

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: 7
Max Depth: 4,450 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: CHILTON ENERGY
Completed: 1978-04-03

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