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42-329-35213

Final Completion

SHACKELFORD SPRABERRY UNIT

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

Permits

1

Max Depth

9,000 ft

First Permit

2005-01-06

Latest Activity

2005-01-06

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2005-10-06

Shut-In

—

Plugged

2025-10-04

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

PARKER & PARSLEY DEVELOPMENT CO. 1993-1995→ PARKER & PARSLEY DEVELOPMENT L.P 1995-1997→ PIONEER NATURAL RES. USA, INC. 1997-2026

Lease Production

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

Oil
production & DCA →

Formation Tops (4) Elevation 2,675 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)7,086 ft-4,411 ft
TOP LOWER SPRABERRY (Spraberry)7,343 ft-4,668 ft
TOP DEAN (Dean)8,380 ft-5,705 ft
BASE DEAN (Dean)8,742 ft-6,067 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 (2)

IntervalType
7,828–7,978 ftPerforated
8,524–8,730 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"398 ft200 sx
4.5"8,815 ft1,000 sx

Permit History (1)

#554652 Drill Final Completion

SHACKELFORD SPRABERRY UNIT · 9,000 ft

2005-01-06

Spud 2005-08-25

Applications (1)

#554652 A PIONEER NATURAL RES. USA, INC.
received 2004-12-09

Records & Logs

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

W-2/G-1 2005-11-14 log on file
W-2/G-1 2006-03-16
Completion packets + logs ↗ Wellbore filings ↗

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
4308 A
Max Depth
9,000 ft
Drill Type
Vertical
County
MIDLAND
District
8
Operator
PIONEER NATURAL RES. USA INC.
Completed
2005-10-06

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
15,423