42-329-46524

PRODUCING Horizontal

CRAWFORD-WELCHEST 27B

MIDLAND County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

1

Max Depth

9,400 ft

First Permit

2023-10-20

Latest Activity

2023-10-20

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-10-06

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2024-05

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 (14) Elevation 2,709 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,023 ft+1,686 ft
RUSTLER 1,620 ft+1,089 ft
YATES 2,599 ft+110 ft
SEVEN RIVERS 2,896 ft-187 ft
QUEEN 3,621 ft-912 ft
GRAYBURG 4,135 ft-1,426 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,238 ft-1,529 ft
ATOKA
CAMBRIAN
DEVONIAN
ELLENBURGER
FUSSELMAN
MISSISSIPPIAN
PRECAMBRIAN (UNDIFFERENTIATED)

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
42-329-46523 CRAWFORD-WELCHEST 27A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,023'Rustler 1,623'Yates 2,603'Seven Rivers 2,900'Queen 3,624'Grayburg 4,141'San Andres 4,236'Clear Fork 6,685'Spraberry 7,535'Glorieta
42-329-46525 CRAWFORD-WELCHEST 27C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,023'Rustler 1,620'Yates 2,602'Seven Rivers 2,901'Queen 3,624'Grayburg 4,149'San Andres 4,254'Clear Fork 6,672'Spraberry 7,522'Glorieta
42-329-46526 CRAWFORD-WELCHEST 27D · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,023'Rustler 1,622'Yates 2,600'Seven Rivers 2,898'Queen 3,621'Grayburg 4,146'San Andres 4,244'Clear Fork 6,669'Spraberry 7,522'Glorieta
42-329-46533 CRAWFORD-WELCHEST 27E · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,023'Rustler 1,644'Yates 2,605'Seven Rivers 2,902'Queen 3,632'Grayburg 4,154'San Andres 4,261'Clear Fork 6,671'Spraberry 7,520'Glorieta
42-329-46534 CRAWFORD-WELCHEST 27F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,023'Rustler 1,655'Yates 2,612'Seven Rivers 2,930'Queen 3,635'Grayburg 4,151'San Andres 4,257'Clear Fork 6,668'Spraberry 7,521'Glorieta
42-329-46033 CRAWFORD 27O · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,025'Rustler 1,644'Yates 2,611'Seven Rivers 2,896'Queen 3,630'Grayburg 4,158'San Andres 4,261'Clear Fork 6,683'Spraberry 7,532'Glorieta
42-329-46032 CRAWFORD 27N · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,025'Rustler 1,649'Yates 2,614'Seven Rivers 2,906'Queen 3,639'Grayburg 4,163'San Andres 4,251'Clear Fork 6,693'Spraberry 7,535'Glorieta
42-329-46031 CRAWFORD 27M · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,025'Santa Rosa 1,026'Rustler 1,651'Yates 2,607'Seven Rivers 2,908'Queen 3,636'Grayburg 4,161'San Andres 4,263'Clear Fork 6,699'Spraberry 7,541'Yates Seven Rivers +7 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
9,887–23,998 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,531 ft1,565 sx
9.625"5,927 ft1,050 sx
5.5"24,023 ft1,524 sx

Permit History (1)

Applications (1)

#893301 A PIONEER NATURAL RES. USA, INC.
received 2023-08-29

Records & Logs

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

W-2/G-1 2025-01-29
W-2/G-1 2024-10-04 log on file

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Lat 31.907954
Lon -101.966742

Well Details

Well Number
2H
Max Depth
9,400 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2024-10-06

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