42-329-43774

PRODUCING Horizontal

SHACKELFORD W40F

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

2020-11-26

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2020-04

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 (18) Elevation 2,649 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,076 ft+1,573 ft
SANTA ROSA 1,154 ft+1,495 ft
RUSTLER 1,705 ft+944 ft
YATES 2,728 ft-79 ft
YATES 2,789 ft-140 ft
SEVEN RIVERS 3,036 ft-387 ft
QUEEN 3,627 ft-978 ft
QUEEN 3,628 ft-979 ft
GRAYBURG 3,851 ft-1,202 ft
GRAYBURG 3,852 ft-1,203 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,132 ft-1,483 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,133 ft-1,484 ft
CLEARFORK (Clear Fork)6,132 ft-3,483 ft
CLEARFORK (Clear Fork)6,133 ft-3,484 ft
SPRABERRY 7,082 ft-4,433 ft
SPRABERRY 7,083 ft-4,434 ft
SPRABERRY UPPER-DEAN (Spraberry)8,461 ft-5,812 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
42-329-43773 SHACKELFORD W40E · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,076'Santa Rosa 1,109'Rustler 1,696'Yates 2,702'Seven Rivers 3,027'Seven Rivers 3,028'Queen 3,556'Queen 3,557'Grayburg 3,831'Grayburg 3,832'San Andres 4,124'Clear Fork 6,150' +5 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
42-329-41212 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
42-329-43771 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
42-329-41224 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
42-329-43769 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
42-329-43767 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
8,986–18,967 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,401 ft1,410 sx
9.625"5,421 ft1,115 sx
5.5"18,992 ft1,025 sx

Permit History (1)

Applications (1)

#858115 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 2020-08-24

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 31.827047
Lon -101.842706

Well Details

Well Number
6H
Max Depth
10,325 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2020-11-26

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