42-003-35749

Final Completion

DOLLARHIDE UNIT

ANDREWS County · District 8 · UNION OIL COMPANY OF CALIFORNIA

Permits

Max Depth

8,150 ft

First Permit

1985-03-07

Latest Activity

1987-03-11

Lifespan

2 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. 2006-2021→ SCOUT ENERGY MANAGEMENT LLC 2021-2026

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 (9) Elevation 3,139 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RUSTLER	1,153 ft	+1,986 ft
YATES	2,664 ft	+475 ft
SAN ANDRES	3,513 ft	-374 ft
GLORIETA	5,158 ft	-2,019 ft
CLEARFORK (Clear Fork)	5,598 ft	-2,459 ft
CLEARFORK A (Clear Fork)	6,057 ft	-2,918 ft
CLEARFORK B (Clear Fork)	6,610 ft	-3,471 ft
DEVONIAN	7,778 ft	-4,639 ft
LOWER DEVONIAN (Devonian)	7,902 ft	-4,763 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
7,788–7,946 ft	Perforated

Casing (3)

Size	Set Depth	Cement
11.75"	350 ft	600 sx
8.625"	3,024 ft	1,250 sx
5.5"	8,036 ft	1,650 sx

Permit History (2)

#327455 Drill Final Completion

DOLLARHIDE UNIT · 8,150 ft

1987-03-11

Spud 1987-10-17

#269334 Drill

DOLLARHIDE UNIT · 8,117 ft

1985-03-07

Applications (2)

#327455 A UNION OIL COMPANY OF CALIFORNIA

received 1987-03-06

#269334 A UNION OIL COMPANY OF CALIFORNIA

received 1985-03-05

Records & Logs

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

W-2/G-1 1988-02-19 log on file

W-2/G-1 1988-02-25

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 ANDREWS County.

Well Details

Well Number: 4311D
Max Depth: 8,150 ft
Drill Type: Vertical
County: ANDREWS
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