42-383-36067

Final Completion

UNIVERSITY 58-31

REAGAN County · District 7 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

1

Max Depth

9,575 ft

First Permit

2007-11-26

Latest Activity

2007-11-26

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2008-04-14

Shut-In

Plugged

2019-12-03

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2008-04

Last Production

2020-07

Lease Production

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

Formation Tops (4) Elevation 2,592 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)5,706 ft-3,114 ft
TOP LOWER SPRABERRY (Spraberry)6,270 ft-3,678 ft
TOP DEAN (Dean)7,102 ft-4,510 ft
TOP WOLFCAMP (Wolfcamp)7,263 ft-4,671 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 (4)

IntervalType
5,715–5,892 ftPerforated
6,329–6,599 ftPerforated
7,150–7,569 ftPerforated
7,711–8,092 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"563 ft300 sx
4.5"8,475 ft1,000 sx

Permit History (1)

Applications (1)

#647412 A PIONEER NATURAL RES. USA, INC.
received 2007-10-09

Records & Logs

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

W-2/G-1 2008-06-19 log on file
W-2/G-1 2008-07-21
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 REAGAN County.

Well Details

Well Number
4
Max Depth
9,575 ft
Drill Type
Vertical
County
REAGAN
District
7
Completed
2008-04-14

Operator

Location
Y SPRING
P-5 Status
Active (filed 2025-08-01)
Cum Oil (all leases)
1,771,882,421 bbl
Cum Gas (all leases)
1,763,727,021 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
15,401