← Wells

42-479-35022

Final Completion DirectionalSidetrack

HEREFORD L.M.

WEBB County · District 4 · SANCHEZ-O BRIEN OIL & GAS CORP. · WILDCAT

Permits

3

Max Depth

9,000 ft

First Permit

1990-04-06

Latest Activity

1992-07-08

Lifespan

2 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1990-06-01

Shut-In

—

Plugged

—

!

EWA / Production operator mismatch

Scheduling: SANCHEZ-O BRIEN OIL & GAS CORP. ≠ Production: PLAINS EXPLORATION & PROD. CO. (reported 2011-11)

Resolved via: scheduling → SANCHEZ-O BRIEN OIL & GAS CORP.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

SANCHEZ-O'BRIEN OIL & GAS CORP. 1993-1994→ NORTH CENTRAL OIL CORP. 1995-2005→ POGO PRODUCING COMPANY 2006-2008→ POGO PRODUCING COMPANY LLC 2008-2011→ PLAINS EXPLORATION & PROD. CO. 2011-2011

Lease Production

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

Gas
production & DCA →
Gas
production & DCA →

Formation Tops (3) Elevation 525 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CARRIZO WX (Carrizo)3,490 ft-2,965 ft
LOWER WX5,520 ft-4,995 ft
LOBO7,130 ft-6,605 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 (1)

IntervalType
7,716–7,752 ftPerforated

Casing (4)

SizeSet DepthCement
9.875"873 ft—
9.875"874 ft—
7"6,000 ft—
4.5"8,252 ft280 sx

Permit History (3)

#400997 Recompletion Final Completion

HEREFORD, L.M. · 9,000 ft

1992-07-08

Spud 1992-07-14

#371936 Recompletion U

HEREFORD, L.M. · 8,200 ft

1990-04-06

#371936 Drill

HEREFORD, L.M. · 9,000 ft

1990-04-06

Applications (3)

#400997 A SANCHEZ-O'BRIEN OIL & GAS CORP.
received 1992-07-08
#371936 A SANCHEZ-O'BRIEN OIL & GAS CORP.
received 1990-05-01
#371936 A SANCHEZ-O'BRIEN OIL & GAS CORP.
received 1990-04-06

Records & Logs

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

W-2/G-1 1992-09-17
W-2/G-1 1992-10-29
W-2/G-1 1990-07-24 log on file
W-2/G-1 1990-08-09
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 WEBB County.

Well Details

Well Number
40
Max Depth
9,000 ft
Drill Type
Directional, Sidetrack
County
WEBB
District
4
Operator
SANCHEZ-O BRIEN OIL & GAS CORP.
Completed
1990-06-01

Operator

Location
HOUSTON
P-5 Status
Inactive (filed 1997-08-14)
Cum Oil (all leases)
264,031 bbl
Cum Gas (all leases)
270,035,085 mcf
Total Permits
493