42-329-43773

PRODUCING Horizontal

SHACKELFORD W40E

MIDLAND County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA) R 40 EXC

Permits

1

Max Depth

10,325 ft

First Permit

2019-11-14

Latest Activity

2019-11-14

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-11-21

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2020-03

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 (17) Elevation 2,649 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,076 ft+1,573 ft
SANTA ROSA 1,109 ft+1,540 ft
RUSTLER 1,696 ft+953 ft
YATES 2,702 ft-53 ft
SEVEN RIVERS 3,027 ft-378 ft
SEVEN RIVERS 3,028 ft-379 ft
QUEEN 3,556 ft-907 ft
QUEEN 3,557 ft-908 ft
GRAYBURG 3,831 ft-1,182 ft
GRAYBURG 3,832 ft-1,183 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,124 ft-1,475 ft
CLEARFORK (Clear Fork)6,150 ft-3,501 ft
CLEARFORK (Clear Fork)6,151 ft-3,502 ft
SPRABERRY 7,083 ft-4,434 ft
SPRABERRY 7,084 ft-4,435 ft
SPRABERRY UPPER-DEAN (Spraberry)8,492 ft-5,843 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
42-329-43774 SHACKELFORD W40F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,076'Santa Rosa 1,154'Rustler 1,705'Yates 2,728'Yates 2,789'Seven Rivers 3,036'Queen 3,627'Queen 3,628'Grayburg 3,851'Grayburg 3,852'San Andres 4,132'San Andres 4,133' +6 more
42-329-43772 SHACKELFORD W40D · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,076'Santa Rosa 1,098'Rustler 1,680'Yates 2,687'Seven Rivers 3,019'Seven Rivers 3,020'Queen 3,555'Grayburg 3,827'Grayburg 3,828'San Andres 4,115'San Andres 4,116'Clear Fork 6,153' +3 more
42-329-43771 SHACKELFORD W40C · PIONEER NATURAL RES. USA, INC.
0.2 mi
Santa Rosa 1,075'Santa Rosa 1,159'Yates 2,676'Yates 2,677'Seven Rivers 3,010'Seven Rivers 3,011'Queen 3,395'Queen 3,497'Grayburg 3,905'San Andres 4,160'San Andres 4,240'Clear Fork 6,140' +4 more
42-329-41212 SHACKELFORD E40A · PIONEER NATURAL RES. USA, INC.
0.2 mi
Santa Rosa 1,074'Santa Rosa 1,093'Yates 2,652'Seven Rivers 2,970'Queen 3,654'Grayburg 3,978'San Andres 4,199'Clear Fork 6,149'Spraberry 7,099'Spraberry 8,480'Wolfcamp 8,663'Pennsylvanian +3 more
42-329-43766 SHACKELFORD E40B · PIONEER NATURAL RES. USA, INC.
0.2 mi
Santa Rosa 1,074'Santa Rosa 1,090'Yates 2,653'Yates 2,654'Seven Rivers 2,968'Queen 3,650'Queen 3,651'Grayburg 3,978'Grayburg 3,979'San Andres 4,199'San Andres 4,200'Clear Fork 6,139' +3 more
42-329-43769 SHACKELFORD W40A · PIONEER NATURAL RES. USA, INC.
0.2 mi
Santa Rosa 1,075'Santa Rosa 1,094'Rustler 1,678'Yates 2,704'Seven Rivers 3,018'Queen 3,581'Queen 3,582'Grayburg 3,912'Grayburg 3,913'San Andres 4,249'Clear Fork 6,163'Spraberry 7,101' +2 more
42-329-41224 SHACKELFORD E40C · PIONEER NATURAL RES. USA, INC.
0.2 mi
Santa Rosa 1,074'Santa Rosa 1,101'Yates 1,787'Yates 2,649'Seven Rivers 2,970'Seven Rivers 2,976'Queen 3,654'Grayburg 3,982'Grayburg 3,983'San Andres 4,187'San Andres 4,200'Clear Fork 6,132' +3 more
42-329-43767 SHACKELFORD E40D · PIONEER NATURAL RES. USA, INC.
0.4 mi
Santa Rosa 1,062'Santa Rosa 1,077'Yates 2,582'Seven Rivers 2,903'Seven Rivers 2,904'Queen 3,543'Queen 3,544'Grayburg 3,846'Grayburg 3,847'San Andres 4,204'Clear Fork 6,151'Spraberry 7,091' +3 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
8,984–18,965 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,406 ft1,410 sx
9.625"5,406 ft1,115 sx
5.5"18,990 ft1,010 sx

Permit History (1)

Applications (1)

#858114 A PIONEER NATURAL RES. USA, INC.
received 2019-10-16

Records & Logs

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

W-2/G-1 2021-05-04 log on file
W-2/G-1 2020-08-17

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 31.827026
Lon -101.842799

Well Details

Well Number
5H
Max Depth
10,325 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2020-11-21

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
15,400