42-329-45191

PRODUCING Horizontal

SHACKELFORD 41B

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

Permits

1

Max Depth

9,250 ft

First Permit

2021-10-27

Latest Activity

2021-10-27

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-06-08

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2022-06

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 2,654 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,089 ft+1,565 ft
RUSTLER 1,761 ft+893 ft
YATES 2,749 ft-95 ft
SEVEN RIVERS 3,075 ft-421 ft
QUEEN 3,748 ft-1,094 ft
GRAYBURG 3,994 ft-1,340 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,164 ft-1,510 ft
CLEARFORK (Clear Fork)6,234 ft-3,580 ft
SPRABERRY 7,134 ft-4,480 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
42-329-45192 SHACKELFORD 41C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,089'Rustler 1,769'Yates 2,788'Seven Rivers 3,077'Queen 3,738'Grayburg 3,981'San Andres 4,152'Clear Fork 6,229'Spraberry 7,132'Glorieta
42-329-45190 SHACKELFORD 41A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,089'Rustler 1,761'Yates 2,776'Seven Rivers 3,081'Queen 3,751'Grayburg 4,000'San Andres 4,164'Clear Fork 6,225'Spraberry 7,134'Glorieta
42-329-45193 SHACKELFORD 41D · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,089'Rustler 1,767'Yates 2,788'Seven Rivers 3,071'Queen 3,729'Grayburg 3,985'San Andres 4,142'Clear Fork 6,224'Spraberry 7,123'Glorieta
42-329-45194 SHACKELFORD 41E · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,089'Rustler 1,770'Yates 2,783'Seven Rivers 3,094'Queen 3,735'Grayburg 3,981'San Andres 4,129'Clear Fork 6,224'Spraberry 7,121'Glorieta
42-329-45195 SHACKELFORD 41F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,089'Rustler 1,768'Yates 2,765'Seven Rivers 3,054'Queen 3,740'Grayburg 3,985'San Andres 4,117'Clear Fork 6,211'Spraberry 7,119'Glorieta
42-329-45239 SHACKELFORD SPRABERRY UNIT · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,098'Rustler 1,744'Yates 2,793'Seven Rivers 3,082'Queen 3,744'Grayburg 3,987'San Andres 4,149'Clear Fork 6,228'Spraberry 7,132'Glorieta
42-329-45238 SHACKELFORD SPRABERRY UNIT · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,098'Rustler 1,767'Yates 2,810'Seven Rivers 3,118'Queen 3,765'Grayburg 4,025'San Andres 4,184'Clear Fork 6,237'Spraberry 7,141'Glorieta
42-329-45237 SHACKELFORD SPRABERRY UNIT · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,098'Rustler 1,759'Yates 2,810'Seven Rivers 3,130'Seven Rivers 3,131'Queen 3,780'Grayburg 4,036'Grayburg 4,037'San Andres 4,232'Clear Fork 6,253'Clear Fork 6,254'Spraberry 7,145' +1 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
9,163–19,144 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,565 ft1,650 sx
9.625"5,615 ft1,456 sx
5.5"19,169 ft1,020 sx

Permit History (1)

Applications (1)

#873134 A PIONEER NATURAL RES. USA, INC.
received 2021-09-27

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2022-08-01 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 31.823423
Lon -101.858835

Well Details

Well Number
2H
Max Depth
9,250 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2022-06-08

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