42-329-43771

PRODUCING Horizontal

SHACKELFORD W40C

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

2020-11-23

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 (16) Elevation 2,648 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,075 ft+1,573 ft
SANTA ROSA 1,159 ft+1,489 ft
YATES 2,676 ft-28 ft
YATES 2,677 ft-29 ft
SEVEN RIVERS 3,010 ft-362 ft
SEVEN RIVERS 3,011 ft-363 ft
QUEEN 3,395 ft-747 ft
QUEEN 3,497 ft-849 ft
GRAYBURG 3,905 ft-1,257 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,160 ft-1,512 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,240 ft-1,592 ft
CLEARFORK (Clear Fork)6,140 ft-3,492 ft
SPRABERRY 7,092 ft-4,444 ft
SPRABERRY UPPER-DEAN (Spraberry)8,475 ft-5,827 ft
SPRABERRY UPPER-DEAN (Spraberry)8,476 ft-5,828 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
42-329-43769 SHACKELFORD W40A · PIONEER NATURAL RES. USA, INC.
0.0 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
42-329-43772 SHACKELFORD W40D · PIONEER NATURAL RES. USA, INC.
0.2 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
42-329-43773 SHACKELFORD W40E · PIONEER NATURAL RES. USA, INC.
0.2 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
42-329-43774 SHACKELFORD W40F · PIONEER NATURAL RES. USA, INC.
0.2 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
42-329-45201 SHACKELFORD 41L · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 1,092'Rustler 1,756'Yates 2,716'Seven Rivers 3,008'Queen 3,695'Grayburg 3,951'San Andres 4,092'Clear Fork 6,170'Spraberry 7,096'Glorieta
42-329-45200 SHACKELFORD 41K · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 1,091'Rustler 1,770'Yates 2,687'Seven Rivers 3,011'Queen 3,684'Grayburg 3,948'San Andres 4,077'Clear Fork 6,180'Spraberry 7,099'Glorieta
42-329-45199 SHACKELFORD 41J · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 1,091'Rustler 1,769'Yates 2,717'Seven Rivers 3,010'Queen 3,677'Grayburg 3,948'San Andres 4,089'Clear Fork 6,182'Spraberry 7,100'Glorieta
42-329-45198 SHACKELFORD 41I · PIONEER NATURAL RES. USA, INC.
0.3 mi
Santa Rosa 1,091'Rustler 1,769'Yates 2,687'Seven Rivers 3,011'Queen 3,683'Grayburg 3,944'San Andres 4,078'Clear Fork 6,186'Spraberry 7,111'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
9,443–19,395 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,427 ft1,410 sx
9.625"5,521 ft1,225 sx
5.5"19,450 ft955 sx

Permit History (1)

Applications (1)

#858090 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 2021-04-16 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 31.826104
Lon -101.845980

Well Details

Well Number
3H
Max Depth
10,325 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2020-11-23

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