42-383-42012

PRODUCING Horizontal

UNIVERSITY 58-17L

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

Permits

2

Max Depth

10,184 ft

First Permit

2025-04-10

Latest Activity

2025-04-10

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2026-03-03

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-07

Last Production

2026-07

Lease Production

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

Formation Tops (9) Elevation 2,667 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN 2,925 ft-258 ft
GRAYBURG 3,337 ft-670 ft
SAN ANDRES - SALTWATER FLOW, POS (San Andres)3,531 ft-864 ft
CLEARFORK (Clear Fork)5,606 ft-2,939 ft
SPRABERRY 6,459 ft-3,792 ft
WOLFCAMP 8,039 ft-5,372 ft
ELLENBURGER
FUSSELMAN
STRAWN

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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-383-42011 UNIVERSITY 58-17K · PIONEER NATURAL RES. USA, INC.
0.0 mi
Queen 2,915'Grayburg 3,340'San Andres 3,526'Clear Fork 5,619'Spraberry 6,493'Wolfcamp 8,046'Fusselman Ellenburger Strawn
42-383-42013 UNIVERSITY 58-17M · PIONEER NATURAL RES. USA, INC.
0.0 mi
Queen 2,924'Grayburg 3,340'San Andres 3,538'Clear Fork 5,615'Spraberry 6,471'Wolfcamp 8,043'Fusselman Ellenburger Strawn
42-383-42010 UNIVERSITY 58-17J · PIONEER NATURAL RES. USA, INC.
0.0 mi
Queen 2,915'Grayburg 3,336'San Andres 3,525'Clear Fork 5,609'Spraberry 6,465'Wolfcamp 8,037'Fusselman Ellenburger Strawn
42-383-42009 UNIVERSITY 58-17I · PIONEER NATURAL RES. USA, INC.
0.0 mi
Queen 2,935'Grayburg 3,345'San Andres 3,546'Clear Fork 5,607'Spraberry 6,471'Wolfcamp 8,048'Strawn Fusselman Ellenburger
42-383-42020 UNIVERSITY 58-17H · PIONEER NATURAL RES. USA, INC.
0.0 mi
Queen 2,927'Grayburg 3,506'San Andres 3,806'Clear Fork 5,611'Spraberry 6,477'Wolfcamp 8,044'Fusselman Ellenburger Strawn
42-383-42056 UNIVERSITY 2-20 · PIONEER NATURAL RES. USA, INC.
0.0 mi
Queen 2,941'Grayburg 3,369'San Andres 3,565'Clear Fork 5,613'Spraberry 6,522'Fusselman Strawn Ellenburger
42-383-41768 UL STATE LINDSEY DIXON C · CIVITAS PERMIAN OPERATING, LLC
0.1 mi
Queen 2,884'Grayburg 3,300'San Andres 3,608'Clear Fork 5,727'Spraberry 6,461'Wolfcamp 8,052'Wolfcamp 8,397'Wolfcamp 8,991'Wolfcamp 9,966'Fusselman Ellenburger Strawn
42-383-41767 UL STATE LINDSEY DIXON B · CIVITAS PERMIAN OPERATING, LLC
0.1 mi
Queen 2,881'Grayburg 3,291'San Andres 3,613'Clear Fork 5,733'Spraberry 6,445'Wolfcamp 8,053'Wolfcamp 8,389'Strawn Ellenburger Fusselman

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
8,435–27,062 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,236 ft1,280 sx
9.625"5,022 ft1,150 sx
5.5"27,087 ft1,439 sx

Permit History (2)

Applications (2)

#906631 A PIONEER NATURAL RES. USA, INC.
received 2026-03-17
#906631 A PIONEER NATURAL RES. USA, INC.
received 2025-03-11

Records & Logs

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

W-2/G-1 2026-05-04
W-2/G-1 2026-02-25
W-2/G-1 2025-09-26 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.

Lat 31.312446
Lon -101.736023

Well Details

Well Number
12H
Max Depth
10,184 ft
Drill Type
Horizontal
County
REAGAN
District
7
Completed
2026-03-03

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
15,399