42-461-41358

PRODUCING Horizontal

BROOK D-W31B

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

Permits

1

Max Depth

10,350 ft

First Permit

2019-12-12

Latest Activity

2019-12-12

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-03-05

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2020-02

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 2,677 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,204 ft+473 ft
GRAYBURG 3,773 ft-1,096 ft
SAN ANDRES - SALTWATER FLOW (San Andres)3,873 ft-1,196 ft
SPRABERRY 6,779 ft-4,102 ft
WOLFCAMP 8,388 ft-5,711 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
42-461-41359 BROOK D-W31C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,134'Grayburg 3,431'Grayburg 3,432'San Andres 3,587'Spraberry 6,781'Dean 8,199'Wolfcamp 8,388'Devonian Fusselman Ellenburger Strawn
42-461-41356 BROOK D-W31A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,200'Yates 2,201'Grayburg 3,160'Grayburg 3,733'San Andres 3,871'San Andres 3,872'Spraberry 6,780'Dean 8,199'Wolfcamp 8,387'Ellenburger Strawn Fusselman +1 more
42-461-41360 BROOK D-W31D · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,199'Yates 2,200'Grayburg 3,745'San Andres 3,876'Clear Fork 5,918'Spraberry 6,778'Spraberry 6,779'Dean 8,193'Wolfcamp 8,378'Strawn Ellenburger Fusselman +1 more
42-461-40857 BROOK D-31G · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,203'Grayburg 3,830'San Andres 3,928'Spraberry 6,783'Wolfcamp 8,387'Devonian Strawn Fusselman Ellenburger
42-461-40859 BROOK D-31H · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,190'Grayburg 3,829'San Andres 3,927'Spraberry 6,764'Wolfcamp 8,380'Fusselman Devonian Ellenburger Strawn
42-461-40860 BROOK D-31I · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,211'Grayburg 3,838'San Andres 3,932'Spraberry 6,763'Wolfcamp 8,373'Devonian Fusselman Ellenburger Strawn
42-461-41572 BROOK D-C31B · PIONEER NATURAL RES. USA, INC.
0.2 mi
Yates 2,196'Grayburg 3,784'San Andres 3,900'Spraberry 6,789'Wolfcamp 8,391'Devonian Strawn Ellenburger Fusselman
42-461-41370 BROOK D-C31A · PIONEER NATURAL RES. USA, INC.
0.2 mi
Yates 2,192'Grayburg 3,788'San Andres 3,904'Spraberry 6,785'Dean 8,200'Wolfcamp 8,383'Devonian Strawn Ellenburger Fusselman

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
8,798–21,070 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,177 ft1,150 sx
9.625"5,126 ft860 sx
5.5"21,117 ft1,135 sx

Permit History (1)

Applications (1)

#858928 A PIONEER NATURAL RES. USA, INC.
received 2019-11-11

Records & Logs

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

W-2/G-1 2021-07-08 log on file
W-2/G-1 2020-07-29
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 31.407339
Lon -101.801243

Well Details

Well Number
102H
Max Depth
10,350 ft
Drill Type
Horizontal
County
UPTON
District
7
Completed
2021-03-05

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