42-461-42175

PRODUCING Horizontal

BROOK D-NW4B

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

Permits

1

Max Depth

10,739 ft

First Permit

2022-07-15

Latest Activity

2022-07-15

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-02-22

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2022-10

Last Production

2026-07

Lease Production

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

Formation Tops (10) Elevation 2,729 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,354 ft+375 ft
GRAYBURG 3,918 ft-1,189 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,083 ft-1,354 ft
SPRABERRY 6,989 ft-4,260 ft
DEAN 8,403 ft-5,674 ft
WOLFCAMP 8,588 ft-5,859 ft
DEVONIAN
ELLENBURGER
FUSSELMAN
STRAWN

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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-461-42174 BROOK D-NW4A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,350'Grayburg 3,909'San Andres 4,083'Spraberry 6,992'Dean 8,405'Wolfcamp 8,592'Devonian Strawn Fusselman Ellenburger
42-461-42176 BROOK D-NW4C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,355'Grayburg 3,899'San Andres 4,063'Spraberry 6,979'Dean 8,398'Wolfcamp 8,581'Ellenburger Devonian Fusselman Strawn
42-461-40893 BROOK D-W3C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,357'Grayburg 3,817'San Andres 3,953'Spraberry 6,976'Dean 8,389'Wolfcamp 8,575'Devonian Fusselman Ellenburger Strawn
42-461-40892 BROOK D-W3B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,355'Grayburg 3,816'San Andres 3,964'Spraberry 6,990'Dean 8,401'Wolfcamp 8,587'Devonian Strawn Ellenburger Fusselman
42-461-40891 BROOK D-W3A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,366'Grayburg 3,819'San Andres 3,971'Spraberry 6,994'Dean 8,405'Wolfcamp 8,591'Devonian Fusselman Ellenburger Strawn
42-461-41579 PEMBROOK UNIT · PIONEER NATURAL RES. USA, INC.
0.1 mi
Yates 2,352'Grayburg 3,861'San Andres 3,919'San Andres 3,920'Spraberry 6,984'Spraberry 6,985'Strawn Ellenburger Fusselman Wolfcamp Devonian
42-461-41578 PEMBROOK UNIT · PIONEER NATURAL RES. USA, INC.
0.1 mi
Yates 2,349'Grayburg 3,863'Grayburg 3,864'San Andres 3,921'Spraberry 6,986'Wolfcamp Devonian Fusselman Ellenburger Strawn
42-461-41577 PEMBROOK UNIT · PIONEER NATURAL RES. USA, INC.
0.1 mi
Yates 2,347'Yates 2,348'Grayburg 3,876'San Andres 3,917'Spraberry 6,991'Strawn Ellenburger Fusselman Wolfcamp Devonian

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
8,764–21,482 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,362 ft1,400 sx
9.625"8,131 ft1,655 sx
5.5"21,507 ft2,685 sx

Permit History (1)

Applications (1)

#881117 A PIONEER NATURAL RES. USA, INC.
received 2022-06-13

Records & Logs

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

W-2/G-1 2023-04-25
W-2/G-1 2023-03-27 log on file
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.

Lat 31.515768
Lon -101.797955

Well Details

Well Number
2H
Max Depth
10,739 ft
Drill Type
Horizontal
County
UPTON
District
7
Completed
2023-02-22

Operator

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
15,399