42-329-35807

Final Completion

HALFF 10

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

Permits

Max Depth

10,500 ft

First Permit

2007-12-03

Latest Activity

2008-02-11

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2008-05-08

Shut-In

—

Plugged

2014-02-11

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2006-01

Last Production

2026-07

Lease Production

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

Oil

production & DCA →

Formation Tops (4) Elevation 2,715 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)	7,560 ft	-4,845 ft
TOP LOWER SPRABERRY (Spraberry)	8,106 ft	-5,391 ft
TOP DEAN (Dean)	8,910 ft	-6,195 ft
BASE DEAN (Dean)	9,120 ft	-6,405 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
8,332–8,407 ft	Perforated
8,932–9,164 ft	Perforated
9,245–9,356 ft	Perforated
9,463–9,705 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	350 ft	300 sx
4.5"	9,896 ft	1,000 sx

Permit History (2)

#647510 Drill Final Completion

HALFF '10' · 10,500 ft

2008-02-11

Spud 2008-02-27

#647510 Drill

HALFF "10" · 10,500 ft

2007-12-03

Applications (2)

#647510 A PIONEER NATURAL RES. USA, INC.

received 2007-12-06

#647510 A PIONEER NATURAL RES. USA, INC.

received 2007-10-10

Records & Logs

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

W-2/G-1 2012-01-05 log on file

W-2/G-1 2010-12-01

W-2/G-1 2010-07-26

W-2/G-1 2011-12-19

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: 3
Max Depth: 10,500 ft
Drill Type: Vertical
County: MIDLAND
District: 8
Operator: PIONEER NATURAL RES. USA INC.
Completed: 2008-05-08

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