42-383-42017

PRODUCING Horizontal

UNIVERSITY 58-17D

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

Permits

1

Max Depth

10,194 ft

First Permit

2025-04-10

Latest Activity

2025-04-10

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2026-01-08

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 2,664 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN 2,891 ft-227 ft
GRAYBURG 3,315 ft-651 ft
SAN ANDRES - SALTWATER FLOW, POS (San Andres)3,492 ft-828 ft
CLEARFORK (Clear Fork)5,627 ft-2,963 ft
SPRABERRY 6,462 ft-3,798 ft
WOLFCAMP 8,029 ft-5,365 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
42-383-42016 UNIVERSITY 58-17C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Queen 2,889'Grayburg 3,315'San Andres 3,491'Clear Fork 5,617'Spraberry 6,452'Wolfcamp 8,040'Ellenburger Fusselman Strawn
42-383-42018 UNIVERSITY 58-17E · PIONEER NATURAL RES. USA, INC.
0.0 mi
Queen 2,887'Grayburg 3,296'San Andres 3,480'Clear Fork 5,584'Spraberry 6,444'Wolfcamp 8,029'Strawn Ellenburger Fusselman
42-383-42015 UNIVERSITY 58-17B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Queen 2,888'Grayburg 3,308'San Andres 3,501'Clear Fork 5,603'Spraberry 6,458'Wolfcamp 8,042'Fusselman Ellenburger Strawn
42-383-42019 UNIVERSITY 58-17F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Queen 2,885'Grayburg 3,300'San Andres 3,484'Clear Fork 5,641'Spraberry 6,442'Wolfcamp 8,023'Strawn Fusselman Ellenburger
42-383-42014 UNIVERSITY 58-17A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Queen 2,895'Grayburg 3,307'San Andres 3,503'San Andres 3,503'Clear Fork 5,611'Spraberry 6,454'Wolfcamp 8,033'Ellenburger Strawn Fusselman
42-383-41769 UL STATE LINDSEY DIXON D · CIVITAS PERMIAN OPERATING, LLC
0.2 mi
Queen 2,835'Grayburg 3,267'San Andres 3,570'Clear Fork 5,718'Spraberry 6,452'Wolfcamp 8,032'Wolfcamp 8,379'Fusselman Ellenburger Strawn
42-383-41770 UL STATE LINDSEY DIXON E · CIVITAS PERMIAN OPERATING, LLC
0.2 mi
Queen 2,838'Grayburg 3,267'San Andres 3,567'Clear Fork 5,718'Spraberry 6,471'Wolfcamp 7,984'Wolfcamp 8,348'Fusselman Ellenburger Strawn
42-383-41771 UL STATE LINDSEY DIXON G · CIVITAS PERMIAN OPERATING, LLC
0.2 mi
Queen 2,829'Grayburg 3,252'San Andres 3,528'Clear Fork 5,695'Spraberry 6,456'Wolfcamp 8,024'Wolfcamp 8,376'Wolfcamp 8,979'Wolfcamp 9,937'Strawn Fusselman Ellenburger

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
8,423–26,226 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,245 ft1,500 sx
9.625"4,776 ft1,191 sx
5.5"26,250 ft1,391 sx

Permit History (1)

Applications (1)

#906638 A PIONEER NATURAL RES. USA, INC.
received 2025-03-11

Records & Logs

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

W-2/G-1 2026-03-10
W-2/G-1 2025-09-18 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 31.308906
Lon -101.725086

Well Details

Well Number
4H
Max Depth
10,194 ft
Drill Type
Horizontal
County
REAGAN
District
7
Completed
2026-01-08

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