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42-383-36954

Final Completion

UNIVERSITY 3-18A

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

Permits

1

Max Depth

10,800 ft

First Permit

2010-09-09

Latest Activity

2010-09-09

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2011-07-25

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2008-07

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 (6) Elevation 2,677 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)6,542 ft-3,865 ft
TOP LOWER SPRABERRY (Spraberry)7,111 ft-4,434 ft
TOP DEAN (Dean)7,915 ft-5,238 ft
TOP OF DEAN (Dean)7,915 ft-5,238 ft
TOP OF WOLFCAMP (Wolfcamp)8,098 ft-5,421 ft
TOP WOLFCAMP (Wolfcamp)8,098 ft-5,421 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 (3)

IntervalType
6,560–7,516 ftPerforated
7,967–8,046 ftPerforated
8,298–10,046 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"604 ft340 sx
4.5"10,392 ft1,430 sx

Permit History (1)

#701661 Drill Final Completion

UNIVERSITY '3-18A' · 10,800 ft

2010-09-09

Spud 2011-02-27

Applications (1)

#701661 A PIONEER NATURAL RES. USA, INC.
received 2010-09-02

Records & Logs

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

W-2/G-1 2012-07-03
W-2/G-1 2012-07-03
W-2/G-1 2011-08-15 log on file
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
8
Max Depth
10,800 ft
Drill Type
Vertical
County
REAGAN
District
7
Operator
PIONEER NATURAL RES. USA INC.
Completed
2011-07-25

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