42-329-43767

PRODUCING Horizontal

SHACKELFORD E40D

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

2020-10-17

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 (15) Elevation 2,650 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,062 ft+1,588 ft
SANTA ROSA 1,077 ft+1,573 ft
YATES 2,582 ft+68 ft
SEVEN RIVERS 2,903 ft-253 ft
SEVEN RIVERS 2,904 ft-254 ft
QUEEN 3,543 ft-893 ft
QUEEN 3,544 ft-894 ft
GRAYBURG 3,846 ft-1,196 ft
GRAYBURG 3,847 ft-1,197 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,204 ft-1,554 ft
CLEARFORK (Clear Fork)6,151 ft-3,501 ft
SPRABERRY 7,091 ft-4,441 ft
SPRABERRY UPPER-DEAN (Spraberry)8,456 ft-5,806 ft
SPRABERRY UPPER-DEAN (Spraberry)8,457 ft-5,807 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
42-329-41225 SHACKELFORD E40E · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,064'Santa Rosa 1,077'Yates 2,564'Seven Rivers 2,889'Seven Rivers 2,890'Queen 3,521'Grayburg 3,823'Grayburg 3,824'San Andres 4,278'Clear Fork 6,129'Spraberry 7,079'Spraberry 8,446' +1 more
42-329-43768 SHACKELFORD E40F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,060'Santa Rosa 1,077'Yates 2,564'Seven Rivers 2,831'Queen 3,499'Grayburg 3,831'Grayburg 3,832'San Andres 4,192'Clear Fork 6,124'Clear Fork 6,125'Spraberry 7,084'Spraberry 7,085' +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
42-329-43766 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
42-329-41212 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'Strawn +3 more
42-329-43774 SHACKELFORD W40F · PIONEER NATURAL RES. USA, INC.
0.4 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
42-329-43773 SHACKELFORD W40E · PIONEER NATURAL RES. USA, INC.
0.4 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.
0.4 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

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
9,022–18,804 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,443 ft1,400 sx
9.625"5,393 ft1,203 sx
5.5"18,829 ft949 sx

Permit History (1)

Applications (1)

#858083 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 2021-01-04 log on file
W-2/G-1 2020-08-10

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 31.827961
Lon -101.836061

Well Details

Well Number
104H
Max Depth
10,325 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2020-10-17

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