42-173-33471

Final Completion

WALKER 39

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

Permits

1

Max Depth

10,500 ft

First Permit

2008-12-02

Latest Activity

2008-12-02

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Production: CRESCENT ENERGY OPERATING, LLC (reported 2026-01)

Resolved via: schedulingPIONEER NATURAL RES. USA INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2008-08

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 (4) Elevation 2,708 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)6,408 ft-3,700 ft
TOP LOWER SPRABERRY (Spraberry)6,944 ft-4,236 ft
TOP DEAN (Dean)7,826 ft-5,118 ft
BASE DEAN (Dean)8,010 ft-5,302 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 (8)

IntervalType
6,429–6,553 ftPerforated
6,553–8,265 ftPerforated
6,553–9,933 ftPerforated
7,527–7,622 ftPerforated
7,958–8,086 ftPerforated
8,741–8,910 ftPerforated
9,005–9,314 ftPerforated
9,831–9,933 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"416 ft250 sx
4.5"9,999 ft1,125 sx

Permit History (1)

Applications (1)

#675634 A PIONEER NATURAL RES. USA, INC.
received 2008-12-01

Records & Logs

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

W-2/G-1 2019-11-26
W-2/G-1 2009-05-18 log on file
W-2/G-1 2009-09-17
W-2/G-1 2009-09-10

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 GLASSCOCK County.

Well Details

Well Number
2
Max Depth
10,500 ft
Drill Type
Vertical
County
GLASSCOCK
District
8

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