42-461-41373

PRODUCING Horizontal

BROOK D-C31D

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

Permits

1

Max Depth

10,300 ft

First Permit

2019-12-18

Latest Activity

2019-12-18

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-03-16

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2020-05

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 (11) Elevation 2,681 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,189 ft+492 ft
YATES 2,190 ft+491 ft
GRAYBURG 3,791 ft-1,110 ft
SAN ANDRES - SALTWATER FLOW (San Andres)3,902 ft-1,221 ft
SAN ANDRES - SALTWATER FLOW (San Andres)3,903 ft-1,222 ft
SPRABERRY 6,779 ft-4,098 ft
WOLFCAMP 8,377 ft-5,696 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
42-461-41372 BROOK D-C31C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,130'Grayburg 3,408'San Andres 3,566'Spraberry 6,779'Dean 8,196'Devonian Strawn Ellenburger Fusselman Wolfcamp
42-461-41371 BROOK D-C31B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,124'Grayburg 3,425'San Andres 3,571'Spraberry 6,788'Dean 8,202'Wolfcamp 8,388'Ellenburger Fusselman Devonian Strawn
42-461-41370 BROOK D-C31A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,192'Grayburg 3,788'San Andres 3,904'Spraberry 6,785'Dean 8,200'Wolfcamp 8,383'Strawn Devonian Fusselman Ellenburger
42-461-41572 BROOK D-C31B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,196'Grayburg 3,784'San Andres 3,900'Spraberry 6,789'Wolfcamp 8,391'Devonian Strawn Ellenburger Fusselman
42-461-41360 BROOK D-W31D · PIONEER NATURAL RES. USA, INC.
0.2 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'Ellenburger Strawn Fusselman +1 more
42-461-41359 BROOK D-W31C · PIONEER NATURAL RES. USA, INC.
0.2 mi
Yates 2,134'Grayburg 3,431'Grayburg 3,432'San Andres 3,587'Spraberry 6,781'Dean 8,199'Wolfcamp 8,388'Ellenburger Devonian Fusselman Strawn
42-461-41358 BROOK D-W31B · PIONEER NATURAL RES. USA, INC.
0.2 mi
Yates 2,204'Grayburg 3,773'San Andres 3,873'Spraberry 6,779'Wolfcamp 8,388'Devonian Strawn Ellenburger Fusselman
42-461-41356 BROOK D-W31A · PIONEER NATURAL RES. USA, INC.
0.2 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'Strawn Fusselman Ellenburger +1 more

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
9,308–22,335 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,168 ft1,150 sx
9.625"5,208 ft925 sx
5.5"22,359 ft1,480 sx

Permit History (1)

Applications (1)

#859299 A PIONEER NATURAL RES. USA, INC.
received 2019-11-19

Records & Logs

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

W-2/G-1 2021-06-25
W-2/G-1 2020-09-24 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 31.405620
Lon -101.797655

Well Details

Well Number
204H
Max Depth
10,300 ft
Drill Type
Horizontal
County
UPTON
District
7
Completed
2021-03-16

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