42-461-40659

PRODUCING Horizontal

BROOK A-2

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

Permits

2

Max Depth

10,100 ft

First Permit

2017-09-05

Latest Activity

2017-09-05

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-05-19

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2017-12

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 (9) Elevation 2,712 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,265 ft+447 ft
GRAYBURG 3,910 ft-1,198 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,186 ft-1,474 ft
SPRABERRY 6,842 ft-4,130 ft
WOLFCAMP 8,442 ft-5,730 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
42-461-43245 BROOK A-2 · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,264'Grayburg 3,865'San Andres 4,050'Clear Fork 5,970'Spraberry 6,797'Wolfcamp 8,400'Strawn Ellenburger Devonian Fusselman
42-461-43246 BROOK A-2 · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,265'Grayburg 3,818'San Andres 4,029'Clear Fork 5,977'Spraberry 6,816'Wolfcamp 8,423'Devonian Ellenburger Fusselman Strawn
42-461-40657 BROOK A-2 · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,263'Grayburg 3,913'San Andres 4,193'Spraberry 6,817'Wolfcamp 8,414'Strawn Fusselman Ellenburger Devonian
42-461-40658 BROOK A-2 · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,263'Grayburg 3,914'San Andres 4,192'Spraberry 6,829'Wolfcamp 8,431'Strawn Fusselman Devonian Ellenburger
42-461-42677 PEMBROOK 4 · PIONEER NATURAL RES. USA, INC.
0.2 mi
Yates 2,278'Grayburg 3,888'San Andres 4,064'Spraberry 6,845'Wolfcamp 8,437'Devonian Ellenburger Fusselman Strawn
42-461-42676 PEMBROOK 4 · PIONEER NATURAL RES. USA, INC.
0.2 mi
Yates 2,276'Grayburg 3,895'San Andres 4,073'Spraberry 6,836'Wolfcamp 8,424'Strawn Devonian Fusselman Ellenburger
42-461-42675 PEMBROOK 4 · PIONEER NATURAL RES. USA, INC.
0.2 mi
Yates 2,275'Grayburg 3,892'San Andres 4,067'Spraberry 6,819'Wolfcamp 8,423'Fusselman Ellenburger Devonian Strawn
42-461-42674 PEMBROOK 4 · PIONEER NATURAL RES. USA, INC.
0.2 mi
Yates 2,276'Grayburg 3,893'San Andres 4,067'Spraberry 6,822'Wolfcamp 8,408'Strawn Fusselman Devonian Ellenburger

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
9,524–19,396 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,333 ft1,246 sx
9.625"8,608 ft1,242 sx
5.5"19,425 ft2,575 sx

Permit History (2)

Applications (2)

#830585 A PIONEER NATURAL RES. USA, INC.
received 2017-10-02
#830585 A PIONEER NATURAL RES. USA, INC.
received 2017-09-01

Records & Logs

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

W-2/G-1 2019-09-27
W-2/G-1 2018-06-05 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 31.426152
Lon -101.822765

Well Details

Well Number
9H
Max Depth
10,100 ft
Drill Type
Horizontal
County
UPTON
District
7
Completed
2018-05-19

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