42-461-35620

Final Completion

PEMBROOK UNIT

UPTON County · District 7 · PIONEER NATURAL RES. USA, INC.

Permits

1

Max Depth

8,340 ft

First Permit

2007-12-18

Latest Activity

2007-12-18

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

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 (5) Elevation 2,717 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CLEARFORK (Clear Fork)6,014 ft-3,297 ft
TOP UPPER SPRABERRY (Spraberry)7,157 ft-4,440 ft
UPPER SPRABERRY (Spraberry)7,157 ft-4,440 ft
LOWER SPRABERRY (Spraberry)7,711 ft-4,994 ft
TOP LOWER SPRABERRY (Spraberry)7,711 ft-4,994 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
7,178–7,341 ftPerforated
7,777–7,935 ftPerforated
7,994–8,101 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"477 ft300 sx
4.5"8,300 ft500 sx

Permit History (1)

Applications (1)

#650852 A PIONEER NATURAL RES. USA, INC.
received 2007-12-06

Records & Logs

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

W-2/G-1 2019-06-27
W-2/G-1 2008-04-10 log on file
W-2/G-1 2008-04-29
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 UPTON County.

Well Details

Well Number
104
Max Depth
8,340 ft
Drill Type
Vertical
County
UPTON
District
7

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