42-165-34207

Final Completion

NORTH RILEY UNIT

GAINES County · District 8 · UNION OIL COMPANY OF CALIFORNIA

Permits

Max Depth

7,460 ft

First Permit

1987-06-25

Latest Activity

1990-09-13

Lifespan

3 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

Operator History

Chain of Custody

UNION OIL COMPANY OF CALIFORNIA 1993-2000→ PURE RESOURCES, L.P. 2000-2006→ CHEVRON MIDCONTINENT, L.P. 2006-2017→ SABINAL ENERGY OPERATING, LLC 2017-2025→ BCE-MACH III LLC 2025-2026

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 (6) Elevation 3,402 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	2,844 ft	+558 ft
SAN ANDRES	4,461 ft	-1,059 ft
GLORIETA	5,948 ft	-2,546 ft
CLEARFORK (Clear Fork)	6,327 ft	-2,925 ft
TUBB	6,950 ft	-3,548 ft
LOWER CLEAR FORK (Clear Fork)	7,177 ft	-3,775 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)

Interval	Type
6,372–7,246 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,814 ft	1,100 sx
5.5"	7,363 ft	900 sx

Permit History (2)

#377788 Drill Final Completion

NORTH RILEY UNIT · 7,350 ft

1990-09-13

Spud 1990-11-22

#332041 Drill

NORTH RILEY UNIT · 7,460 ft

1987-06-25

Applications (2)

#377788 A UNION OIL COMPANY OF CALIFORNIA

received 1990-09-10

#332041 A UNION OIL COMPANY OF CALIFORNIA

received 1987-06-24

Records & Logs

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

W-2/G-1 1991-03-14 log on file

W-2/G-1 1991-03-25

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 GAINES County.

Well Details

Well Number: 342
Max Depth: 7,460 ft
Drill Type: Vertical
County: GAINES
District: 8
Operator: UNION OIL COMPANY OF CALIFORNIA

Operator

Name: UNION OIL CO OF CALIFORNIA
Location: MIDLAND
P-5 Status: Inactive (filed 2020-11-18)
Cum Oil (all leases): 78,952,713 bbl
Cum Gas (all leases): 197,557,199 mcf
Total Permits: 2,336