42-461-42174

PRODUCING Horizontal

BROOK D-NW4A

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 2,350 ft+379 ft
GRAYBURG 3,909 ft-1,180 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,083 ft-1,354 ft
SPRABERRY 6,992 ft-4,263 ft
DEAN 8,405 ft-5,676 ft
WOLFCAMP 8,592 ft-5,863 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
42-461-42175 BROOK D-NW4B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,354'Grayburg 3,918'San Andres 4,083'Spraberry 6,989'Dean 8,403'Wolfcamp 8,588'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
42-461-41579 PEMBROOK UNIT · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,352'Grayburg 3,861'San Andres 3,919'San Andres 3,920'Spraberry 6,984'Spraberry 6,985'Devonian Wolfcamp Fusselman Ellenburger Strawn
42-461-41578 PEMBROOK UNIT · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,349'Grayburg 3,863'Grayburg 3,864'San Andres 3,921'Spraberry 6,986'Strawn Ellenburger Fusselman Wolfcamp Devonian
42-461-40891 BROOK D-W3A · PIONEER NATURAL RES. USA, INC.
0.1 mi
Yates 2,366'Grayburg 3,819'San Andres 3,971'Spraberry 6,994'Dean 8,405'Wolfcamp 8,591'Strawn Fusselman Ellenburger Devonian
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
8,954–21,535 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,336 ft1,400 sx
9.625"8,231 ft1,545 sx
5.5"21,560 ft2,695 sx

Permit History (1)

Applications (1)

#881115 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 2023-03-21 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 31.515846
Lon -101.797980

Well Details

Well Number
1H
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