42-329-41591

PRODUCING Horizontal

LOCKLAR-WILSON UNIT

MIDLAND County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

1

Max Depth

11,100 ft

First Permit

2017-03-17

Latest Activity

2017-03-17

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-02-22

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2018-02

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 (10) Elevation 2,806 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 974 ft+1,832 ft
YATES 2,779 ft+27 ft
SEVEN RIVERS 3,094 ft-288 ft
QUEEN 3,891 ft-1,085 ft
GRAYBURG 4,430 ft-1,624 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,562 ft-1,756 ft
CLEARFORK (Clear Fork)6,941 ft-4,135 ft
SPRABERRY 7,792 ft-4,986 ft
SPRABERRY UPPER-DEAN (Spraberry)9,154 ft-6,348 ft
GLORIETA

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 (1)

IntervalType
9,928–17,136 ftPerforated

Casing (4)

SizeSet DepthCement
13.375"1,562 ft1,453 sx
9.625"6,116 ft778 sx
5.5"17,128 ft821 sx
4.5"17,223 ft821 sx

Permit History (1)

Applications (1)

#824126 A PIONEER NATURAL RES. USA, INC.
received 2017-03-06

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2018-06-08 log on file

Completion packets open directly (post-2011 filings include attached logs). Log images 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 MIDLAND County.

Well Details

Well Number
8H
Max Depth
11,100 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2018-02-22

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