42-391-00913

Final Completion

OBRIEN J. J. -B-

REFUGIO County · District 2 · GRETA OPERATING COMPANY LLC · GRETA (4400)

Permits

Max Depth

4,400 ft

First Permit

1990-01-30

Latest Activity

1994-06-22

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

2015-04-07

EWA / Production operator mismatch

Scheduling: GRETA OPERATING COMPANY LLC ≠ Production: CHILTON ENERGY (reported 1998-07)

EWA / Permit operator mismatch

Scheduling: GRETA OPERATING COMPANY LLC ≠ Permit: CHILTON ENERGY

Resolved via: scheduling → GRETA OPERATING COMPANY LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2015-04

Injection / Disposal

W-14 Disposal Plugged 2015-04-20 UIC #000041866 permitted 1981-02-17

Permitted Volume

1,000 bbl/d

Max Pressure

1,000 psi

Injection Interval

3,438–3,900 ft

Injected (12mo)

—

Operator History

originally filed by CHILTON ENERGY — asset transferred

Lease Production

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

Formation Tops (4) Elevation 10 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
GRETA (OAKVILLE) (Greta)	2,800 ft	-2,790 ft
GRETA (CATAHOULA) (Greta)	3,400 ft	-3,390 ft
GRETA (4400) (Greta)	4,330 ft	-4,320 ft
GRETA(4400) (Greta)	4,330 ft	-4,320 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
2,043–2,045 ft	Perforated
3,250–3,256 ft	Perforated

Casing (2)

Size	Set Depth	Cement
10.75"	1,320 ft	600 sx
7"	4,377 ft	—

Permit History (2)

#424954 Recompletion Final Completion

O'BRIEN, J.J. B · 2,125 ft

1994-06-22

Spud 1994-05-10

#368936 Recompletion Final Completion

O'BRIEN, J. J. "B" · 4,400 ft

1990-01-30

Applications (2)

#424954 A CHILTON ENERGY

received 1994-06-16

#368936 A CHILTON ENERGY

received 1990-01-22

Records & Logs

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

W-2/G-1 1994-06-22 log on file

W-2/G-1 1994-07-27

W-2/G-1 1990-01-22 log on file

W-2/G-1 1990-02-16

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: 1
Max Depth: 4,400 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: GRETA OPERATING COMPANY LLC

Operator

Name: GRETA OPER CO LLC
Location: REFUGIO
P-5 Status: Active (filed 2025-08-26)
Cum Oil (all leases): 198,312 bbl
Cum Gas (all leases): 507,958 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 3