42-461-43192

PRODUCING Horizontal

BROOK UNIT O-1H

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

Permits

1

Max Depth

10,922 ft

First Permit

2025-06-23

Latest Activity

2025-06-23

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2026-02-20

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-09

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 2,736 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,392 ft+344 ft
GRAYBURG 3,910 ft-1,174 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,115 ft-1,379 ft
CLEARFORK (Clear Fork)6,201 ft-3,465 ft
SPRABERRY 7,091 ft-4,355 ft
DEVONIAN
ELLENBURGER
FUSSELMAN
STRAWN
WOLFCAMP

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
42-461-43188 BROOK O-1G · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,270'Grayburg 3,828'San Andres 4,021'Clear Fork 6,063'Spraberry 6,805'Wolfcamp 8,446'Fusselman Ellenburger Devonian Strawn
42-461-43187 BROOK O-1F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,394'Grayburg 3,919'San Andres 4,110'Clear Fork 6,259'Spraberry 7,122'Wolfcamp 8,701'Strawn Ellenburger Fusselman Devonian
42-461-43191 BROOK UNIT O-1E · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,380'Yates 2,383'Grayburg 3,913'Grayburg 3,918'San Andres 4,122'San Andres 4,127'Clear Fork 6,163'Clear Fork 6,225'Spraberry 7,121'Spraberry 7,129'Fusselman Strawn +3 more
42-461-43190 BROOK UNIT O-1D · PIONEER NATURAL RES. USA, INC.
0.3 mi
Yates 2,377'Grayburg 3,914'San Andres 4,130'Clear Fork 6,227'Spraberry 7,124'Ellenburger Strawn Devonian Fusselman Wolfcamp
42-461-43189 BROOK UNIT O-1C · PIONEER NATURAL RES. USA, INC.
0.3 mi
Yates 2,383'Grayburg 3,913'San Andres 4,127'Clear Fork 6,225'Spraberry 7,121'Devonian Fusselman Ellenburger Wolfcamp Strawn
42-461-43186 BROOK O-1B · PIONEER NATURAL RES. USA, INC.
0.3 mi
Yates 2,385'Grayburg 3,912'San Andres 4,119'Clear Fork 6,228'Spraberry 7,133'Wolfcamp 8,716'Fusselman Ellenburger Devonian Strawn
42-461-43185 BROOK O-1A · PIONEER NATURAL RES. USA, INC.
0.3 mi
Yates 2,385'Grayburg 3,913'San Andres 4,121'Clear Fork 6,241'Spraberry 7,145'Wolfcamp 8,734'Strawn Ellenburger Devonian Fusselman
42-461-40760 BROOK O-2Z · PIONEER NATURAL RES. USA, INC.
1.2 mi
Yates 2,435'Grayburg 4,058'San Andres 4,171'Spraberry 7,170'Dean 8,596'Wolfcamp 8,788'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
8,681–26,885 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,217 ft1,320 sx
9.625"5,666 ft1,604 sx
5.5"26,910 ft1,179 sx

Permit History (1)

Applications (1)

#908368 A PIONEER NATURAL RES. USA, INC.
received 2025-05-30

Records & Logs

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

W-2/G-1 2026-04-14
W-2/G-1 2026-02-10 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 31.495695
Lon -101.839002

Well Details

Well Number
8H
Max Depth
10,922 ft
Drill Type
Horizontal
County
UPTON
District
7
Completed
2026-02-20

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