42-329-35027

Final Completion

SHACKELFORD SPRABERRY UNIT

MIDLAND County · District 8 · PIONEER NATURAL RES. USA, INC.

Permits

Max Depth

9,050 ft

First Permit

2000-02-14

Latest Activity

2003-12-30

Lifespan

4 yrs

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

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 (3) Elevation 2,674 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)	7,104 ft	-4,430 ft
TOP LOWER SPRABERRY (Spraberry)	7,664 ft	-4,990 ft
TOP DEAN (Dean)	8,422 ft	-5,748 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)

Interval	Type
713–7,307 ft	Perforated
7,804–8,038 ft	Perforated
8,593–8,784 ft	Perforated

Casing (3)

Size	Set Depth	Cement
12.75"	378 ft	375 sx
8.625"	4,657 ft	500 sx
4.5"	8,950 ft	1,085 sx

Permit History (2)

#540123 Drill Final Completion

SHACKELFORD SPRABERRY UNIT · 8,950 ft

2003-12-30

Spud 2004-04-27

#491269 Drill

SHACKELFORD SPRABERRY UNIT · 9,050 ft

2000-02-14

Applications (2)

#540123 A PIONEER NATURAL RES. USA, INC.

received 2003-12-23

#491269 A PIONEER NATURAL RES. USA, INC.

received 2000-01-20

Records & Logs

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

W-2/G-1 2004-08-04 log on file

W-2/G-1 2004-09-20

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: 4604A
Max Depth: 9,050 ft
Drill Type: Vertical
County: MIDLAND
District: 8
Operator: PIONEER NATURAL RES. USA, INC.

Operator

Name: PIONEER NATURAL RES. USA, INC
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