42-461-35256

Final Completion

PEMBROOK 4

UPTON County · District 7 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA) R 40 EXC

Permits

Max Depth

10,300 ft

First Permit

2007-01-19

Latest Activity

2014-09-08

Lifespan

8 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2007-08-26

Shut-In

—

Plugged

2015-01-23

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2007-08

Last Production

2016-02

Lease Production

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

Formation Tops (4) Elevation 2,668 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)	6,814 ft	-4,146 ft
TOP LOWER SPRABERRY (Spraberry)	7,404 ft	-4,736 ft
TOP DEAN (Dean)	8,215 ft	-5,547 ft
TOP WOLFCAMP (Wolfcamp)	8,404 ft	-5,736 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 (6)

Interval	Type
8,271–8,398 ft	Perforated
8,271–9,293 ft	Perforated
8,583–8,730 ft	Perforated
8,854–9,060 ft	Perforated
9,120–9,293 ft	Perforated
9,492–9,789 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	465 ft	300 sx
4.5"	10,090 ft	1,075 sx

Permit History (2)

#791377 Field Transfer Final Completion

PEMBROOK 4 · 10,090 ft

2014-09-08

#632014 Drill Final Completion

XBC "142" · 10,300 ft

2007-01-19

Spud 2007-06-17

Applications (2)

#791377 A PIONEER NATURAL RES. USA, INC.

received 2014-07-10

#632014 A PIONEER NATURAL RES. USA, INC.

received 2007-01-16

Records & Logs

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

W-2/G-1 2014-07-10

W-2/G-1 2007-11-30 log on file

W-2/G-1 2007-12-18

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 UPTON County.

Well Details

Well Number: 1424
Max Depth: 10,300 ft
Drill Type: Vertical
County: UPTON
District: 7
Operator: PIONEER NATURAL RES. USA INC.
Completed: 2007-08-26

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: 15,400