42-173-33362

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

2008-01-02

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 2,694 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)	6,516 ft	-3,822 ft
TOP LOWER SPRBERRY	7,076 ft	-4,382 ft
TOP OF DEAN (Dean)	7,912 ft	-5,218 ft
BASE OF DEAN (Dean)	8,097 ft	-5,403 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
6,540–6,680 ft	Perforated
7,135–7,282 ft	Perforated
7,402–7,506 ft	Perforated
7,970–8,092 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	492 ft	300 sx
4.5"	8,356 ft	800 sx

Permit History (2)

#651947 Drill Final Completion

SPRABERRY DRIVER UNIT · 8,400 ft

2008-01-02

Spud 2008-01-21

#609997 Drill

SPRABERRY DRIVER UNIT · 8,255 ft

2005-11-29

Applications (2)

#651947 A PIONEER NATURAL RES. USA, INC.

received 2007-12-21

#609997 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 2008-04-21 log on file

W-2/G-1 2008-10-30

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: 913A
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