← Wells

42-383-34100

Final Completion

UNIVERSITY 13

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

Permits

1

Max Depth

7,800 ft

First Permit

1991-06-03

Latest Activity

1991-06-03

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-07-24

Shut-In

—

Plugged

2014-10-10

!

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: MIRESCO, INC.

Resolved via: production → PIONEER NATURAL RES. USA, INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MIRESCO, INC. 1993-1994→ MIDLAND RES. OPER. CO., INC. 1994-1998→ VISTA RESOURCES, INC. (A) 1998-2000→ PRIZE OPERATING COMPANY 2000-2001→ SCYTHIAN, LTD. 2001-2006→ PIONEER NATURAL RES. USA, INC. 2006-2026

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 (3) Elevation 2,656 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
UPPER SPRABERRY (Spraberry)5,783 ft-3,127 ft
LOWER SPRABERRY (Spraberry)6,329 ft-3,673 ft
JO MILL 6,602 ft-3,946 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
5,783–6,120 ftPerforated
6,347–6,777 ftPerforated
6,992–7,283 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"615 ft250 sx
4.5"7,500 ft600 sx

Permit History (1)

#388387 Drill Final Completion

UNIVERSITY 1324 · 7,800 ft

1991-06-03

Spud 1991-06-25

Applications (1)

#388387 A MIRESCO, INC.
received 1991-05-29

Records & Logs

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

W-2/G-1 1991-09-03 log on file
W-2/G-1 1991-09-10
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
5
Max Depth
7,800 ft
Drill Type
Vertical
County
REAGAN
District
7
Operator
PIONEER NATURAL RES. USA INC.
Completed
1991-07-24

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
15,403