42-391-30209

O'BRIEN, J. M.

REFUGIO County · District 2 · PRIMROSE OPERATING COMPANY

Permits

Max Depth

4,500 ft

First Permit

1984-11-12

Latest Activity

2002-03-14

Lifespan

17 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000001654 permitted 2003-11-12

Permitted Volume

9,000 bbl/d

Max Pressure

1,550 psi

Injection Interval

3,100–3,200 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

Lease Production

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

Gas

production & DCA →

Formation Tops (3) Elevation 72 ft (DF)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
FLEMING	1 ft	+71 ft
CATAHOULA	3,450 ft	-3,378 ft
GRETA	4,115 ft	-4,043 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
3,146–3,176 ft	Perforated
3,500–3,640 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	325 ft	200 sx
8.625"	1,344 ft	470 sx
5.5"	4,444 ft	500 sx

Permit History (2)

#518258 Recompletion

O'BRIEN, J. M. · 4,500 ft

2002-03-14

#257552 Recompletion Final Completion

O'BRIEN, J. M. "C" · 4,450 ft

1984-11-12

Applications (2)

#518258 A PRIMROSE OPERATING COMPANY

received 2002-03-13

#257552 A EXXON CORP.

received 1984-11-09

Records & Logs

5 completion filings on record.

W-2/G-1 2022-06-29

W-2/G-1 1993-06-28

W-2/G-1 1985-04-29

W-2/G-1 1985-05-17

W-2/G-1 1978-07-03

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: 308
Max Depth: 4,500 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: PRIMROSE OPERATING COMPANY

Operator

Name: PRIMROSE OPER CO
Location: WICHITA FAL, LS
P-5 Status: Inactive (filed 2008-12-05)
Cum Oil (all leases): 6,303,441 bbl
Cum Gas (all leases): 1,641,813 mcf
Total Permits: 274