← Wells

42-461-35947

Final Completion

UNIVERSITY 4-20

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

Permits

1

Max Depth

10,500 ft

First Permit

2008-06-28

Latest Activity

2008-06-28

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2008-10

Last Production

2026-07

Lease Production

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

Oil
production & DCA →
Oil
production & DCA →

Formation Tops (4) Elevation 2,845 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)6,438 ft-3,593 ft
TOP LOWER SPRABERRY (Spraberry)6,929 ft-4,084 ft
TOP DEAN (Dean)7,730 ft-4,885 ft
TOP STRAWN (Strawn)9,442 ft-6,597 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
9,470–9,907 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"772 ft450 sx
4.5"10,217 ft1,200 sx

Permit History (1)

#664317 Drill Final Completion

UNIVERSITY "4-20" · 10,500 ft

2008-06-28

Spud 2008-08-15

Applications (1)

#664317 A PIONEER NATURAL RES. USA, INC.
received 2008-06-12

Records & Logs

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

W-2/G-1 2008-11-14 log on file
W-2/G-1 2008-12-11
W-2/G-1 2008-12-02
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 UPTON County.

Well Details

Well Number
1
Max Depth
10,500 ft
Drill Type
Vertical
County
UPTON
District
7
Operator
PIONEER NATURAL RES. USA INC.

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