42-329-47649

PRODUCING Horizontal

SHACKELFORD 9DA

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

Permits

2

Max Depth

10,514 ft

First Permit

2025-02-28

Latest Activity

2025-02-28

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-10-15

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-10

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 2,757 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 974 ft+1,783 ft
RUSTLER 1,539 ft+1,218 ft
YATES 2,459 ft+298 ft
SEVEN RIVERS 2,725 ft+32 ft
QUEEN 3,432 ft-675 ft
GRAYBURG 3,867 ft-1,110 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,117 ft-1,360 ft
CLEARFORK (Clear Fork)6,230 ft-3,473 ft
SPRABERRY 7,150 ft-4,393 ft
GLORIETA

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
42-329-47650 SHACKELFORD 9DB · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 974'Rustler 1,537'Seven Rivers 2,366'Yates 2,456'Queen 3,430'Grayburg 3,861'San Andres 4,123'Clear Fork 6,223'Spraberry 7,155'Spraberry 8,513'Wolfcamp 8,698'Glorieta
42-329-47651 SHACKELFORD 9DC · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 974'Rustler 1,530'Yates 2,449'Seven Rivers 2,723'Queen 3,428'Grayburg 3,858'San Andres 4,106'Clear Fork 6,215'Spraberry 7,253'Glorieta
42-329-46593 PRESTON 9DE · PIONEER NATURAL RES. USA, INC.
0.2 mi
Santa Rosa 969'Rustler 1,530'Yates 2,470'Seven Rivers 2,732'Queen 3,433'Grayburg 3,955'San Andres 4,112'Clear Fork 6,429'Spraberry 7,144'Glorieta
42-329-46592 PRESTON 9DD · PIONEER NATURAL RES. USA, INC.
0.2 mi
Santa Rosa 969'Rustler 1,540'Yates 2,470'Seven Rivers 2,730'Queen 3,435'Grayburg 3,956'San Andres 4,119'Clear Fork 6,228'Spraberry 7,153'Glorieta
42-329-44219 PRESTON 9A · PIONEER NATURAL RES. USA, INC.
0.2 mi
Santa Rosa 968'Rustler 1,534'Yates 2,453'Seven Rivers 2,721'Queen 3,430'Grayburg 3,956'San Andres 5,363'Clear Fork 6,250'Spraberry 7,141'Glorieta
42-329-44220 PRESTON 9B · PIONEER NATURAL RES. USA, INC.
0.2 mi
Santa Rosa 968'Rustler 1,533'Yates 2,450'Seven Rivers 2,720'Queen 3,427'Grayburg 3,950'San Andres 4,105'Clear Fork 6,254'Spraberry 7,139'Glorieta
42-329-44221 PRESTON 9C · PIONEER NATURAL RES. USA, INC.
0.2 mi
Santa Rosa 968'Rustler 1,540'Yates 2,452'Seven Rivers 2,724'Queen 3,431'Grayburg 3,959'San Andres 4,107'Clear Fork 6,204'Spraberry 7,143'Glorieta
42-329-44264 PRESTON 9F · PIONEER NATURAL RES. USA, INC.
0.2 mi
Santa Rosa 968'Rustler 1,538'Yates 2,444'Seven Rivers 2,721'Queen 3,398'Grayburg 3,937'San Andres 4,092'Clear Fork 6,259'Spraberry 7,147'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
10,660–26,270 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,429 ft1,750 sx
9.625"5,480 ft1,188 sx
5.5"26,295 ft1,757 sx

Permit History (2)

Applications (2)

#906252 A PIONEER NATURAL RES. USA, INC.
received 2025-05-20
#906252 A PIONEER NATURAL RES. USA, INC.
received 2025-02-26

Records & Logs

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

W-2/G-1 2025-12-08
W-2/G-1 2025-11-25 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 31.769709
Lon -101.826778

Well Details

Well Number
401H
Max Depth
10,514 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2025-10-15

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