42-461-32389

UNIVERSITY 8B

UPTON County · District 7 · PIONEER NATURAL RES. USA, INC.

Permits

2

Max Depth

8,200 ft

First Permit

1985-04-29

Latest Activity

2014-05-31

Lifespan

29 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

Lease Production

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

Formation Tops (3) Elevation 2,679 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
UPPER SPRABERRY (Spraberry)6,590 ft-3,911 ft
LOWER SPRABERRY (Spraberry)7,482 ft-4,803 ft
DEAN SAND (Dean)7,952 ft-5,273 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 (2)

IntervalType
7,406–7,681 ftPerforated
7,990–8,134 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"535 ft260 sx
5.5"8,200 ft750 sx

Permit History (2)

Applications (2)

#785152 A PIONEER NATURAL RES. USA, INC.
received 2014-04-21
#273489 A READING & BATES PETROLEUM CO.
received 1985-04-22

Records & Logs

4 completion filings on record.

W-2/G-1 2016-09-01
W-2/G-1 1985-07-10
W-2/G-1 1985-07-10
W-2/G-1 1985-07-19
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
3
Max Depth
8,200 ft
Drill Type
Vertical
County
UPTON
District
7

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
15,400