42-173-33364

Final Completion

SPRABERRY DRIVER UNIT

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

Permits

Max Depth

8,400 ft

First Permit

2005-11-29

Latest Activity

2008-01-04

Lifespan

2 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

PG&E RESOURCES COMPANY 1993-1994→ MIDPAR L.P. 1994-1995→ 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 2,698 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)	6,468 ft	-3,770 ft
TOP LOWER SPRABERRY (Spraberry)	7,020 ft	-4,322 ft
TOP OF DEAN (Dean)	7,864 ft	-5,166 ft
BASE OF DEAN (Dean)	8,050 ft	-5,352 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 (4)

Interval	Type
6,481–6,601 ft	Perforated
7,083–7,302 ft	Perforated
7,388–7,457 ft	Perforated
7,922–8,045 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	481 ft	300 sx
4.5"	8,289 ft	800 sx

Permit History (2)

#652065 Drill Final Completion

SPRABERRY DRIVER UNIT · 8,400 ft

2008-01-04

Spud 2008-02-15

#609993 Drill

SPRABERRY DRIVER UNIT · 8,220 ft

2005-11-29

Applications (2)

#652065 A PIONEER NATURAL RES. USA, INC.

received 2007-12-27

#609993 A PIONEER NATURAL RES. USA, INC.

received 2005-11-22

Records & Logs

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

W-2/G-1 2008-05-12 log on file

W-2/G-1 2008-11-04

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 GLASSCOCK County.

Well Details

Well Number: 933A
Max Depth: 8,400 ft
Drill Type: Vertical
County: GLASSCOCK
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: 15,401