42-329-47897

SHUT IN Horizontal

ALLEDER-WELCH 33O

MIDLAND County · District 10 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

2

Max Depth

10,658 ft

First Permit

2025-09-03

Latest Activity

2025-09-03

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-12-20

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-12

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 (14) Elevation 2,717 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,129 ft+1,588 ft
RUSTLER 1,628 ft+1,089 ft
YATES 2,590 ft+127 ft
SEVEN RIVERS 2,902 ft-185 ft
QUEEN 3,644 ft-927 ft
GRAYBURG 4,164 ft-1,447 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,354 ft-1,637 ft
CLEARFORK (Clear Fork)6,653 ft-3,936 ft
SPRABERRY 7,499 ft-4,782 ft
CAMBRIAN
ELLENBURGER
FUSSELMAN
GLORIETA
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
42-329-47898 ALLEDER-WELCH 33N · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,129'Rustler 1,644'Yates 2,602'Seven Rivers 2,906'Queen 3,642'Grayburg 4,165'San Andres 4,353'Clear Fork 6,662'Spraberry 7,512'Glorieta
42-329-47896 ALLEDER-WELCH 33P · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 599'Rustler 1,625'Yates 2,593'Seven Rivers 2,903'Queen 3,640'Grayburg 4,155'San Andres 4,347'Clear Fork 6,655'Spraberry 7,496'Glorieta
42-329-47899 ALLEDER-WELCH 33M · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 539'Rustler 1,646'Yates 2,590'Seven Rivers 2,900'Queen 3,641'Grayburg 4,175'San Andres 4,364'Clear Fork 6,662'Spraberry 7,507'Glorieta
42-329-45164 WILLIS-BERMAN NW33AA · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,132'Rustler 1,643'Yates 2,605'Seven Rivers 2,903'Queen 3,653'Grayburg 4,172'San Andres 4,362'Clear Fork 6,664'Spraberry 7,509'Devonian Atoka Glorieta +1 more
42-329-45165 WILLIS-BERMAN NW33BB · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,132'Rustler 1,641'Yates 2,608'Seven Rivers 2,886'Queen 3,655'Grayburg 4,165'San Andres 4,353'Clear Fork 6,663'Spraberry 7,510'Glorieta
42-329-45166 WILLIS-BERMAN NW33CC · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,132'Rustler 1,648'Yates 2,604'Seven Rivers 2,908'Queen 3,652'Grayburg 4,164'San Andres 4,357'Clear Fork 6,662'Spraberry 7,507'Glorieta
42-329-45167 WILLIS-BERMAN NW33DD · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,132'Rustler 1,645'Yates 2,609'Seven Rivers 2,910'Queen 3,663'Grayburg 4,263'San Andres 4,362'Clear Fork 6,655'Spraberry 7,501'Glorieta
42-329-45168 WILLIS-BERMAN NW33EE · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,132'Rustler 1,647'Yates 2,605'Seven Rivers 2,905'Queen 3,650'Grayburg 4,155'San Andres 4,347'Clear Fork 6,659'Spraberry 7,808'Glorieta

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
9,487–25,271 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,587 ft1,630 sx
9.625"6,033 ft1,618 sx
5.5"25,295 ft1,301 sx

Permit History (2)

Applications (2)

#909692 A PIONEER NATURAL RES. USA, INC.
received 2025-10-17
#909692 A PIONEER NATURAL RES. USA, INC.
received 2025-08-05

Records & Logs

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

W-2/G-1 2026-06-17
W-2/G-1 2026-04-02 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 31.906001
Lon -101.956283

Well Details

Well Number
215H
Max Depth
10,658 ft
Drill Type
Horizontal
County
MIDLAND
District
10
Completed
2025-12-20

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