42-329-44652

PRODUCING Horizontal

SHACKELFORD SPRABERRY UNIT

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

Permits

1

Max Depth

8,685 ft

First Permit

2021-02-05

Latest Activity

2021-02-05

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-12-21

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

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 2,764 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,027 ft+1,737 ft
RUSTLER 1,629 ft+1,135 ft
YATES 2,568 ft+196 ft
SEVEN RIVERS 2,868 ft-104 ft
QUEEN 3,598 ft-834 ft
GRAYBURG 4,161 ft-1,397 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,374 ft-1,610 ft
CLEARFORK (Clear Fork)6,526 ft-3,762 ft
SPRABERRY 7,378 ft-4,614 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
42-329-44654 SHACKELFORD SPRABERRY UNIT · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,024'Rustler 1,622'Yates 2,572'Seven Rivers 2,872'Queen 3,600'Grayburg 4,146'San Andres 4,374'Clear Fork 6,513'Spraberry 7,372'Glorieta
42-329-44655 SHACKELFORD SPRABERRY UNIT · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,027'Rustler 1,631'Yates 2,565'Seven Rivers 2,861'Queen 3,587'Grayburg 4,130'San Andres 4,351'Clear Fork 6,516'Spraberry 7,365'Glorieta
42-329-47390 SHACKELFORD 39-27A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,053'Rustler 1,630'Yates 2,557'Seven Rivers 2,869'Queen 3,596'Grayburg 4,154'San Andres 4,365'Clear Fork 6,526'Spraberry 7,373'Spraberry 8,762'Glorieta
42-329-47391 SHACKELFORD 39-27B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,053'Rustler 1,627'Yates 2,559'Seven Rivers 2,863'Queen 3,567'Grayburg 4,132'San Andres 4,368'Clear Fork 6,523'Spraberry 7,379'Glorieta
42-329-47392 SHACKELFORD 39-27C · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,053'Rustler 1,629'Yates 2,563'Seven Rivers 2,862'Queen 3,565'Grayburg 4,123'San Andres 4,361'Clear Fork 6,520'Spraberry 7,376'Glorieta
42-329-47393 SHACKELFORD 39-27D · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,053'Rustler 1,624'Yates 2,555'Seven Rivers 2,861'Queen 3,585'Grayburg 4,131'San Andres 4,349'Clear Fork 6,512'Spraberry 7,362'Glorieta
42-329-47394 SHACKELFORD 39-27E · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,053'Rustler 1,627'Yates 2,553'Queen 2,600'Seven Rivers 2,854'Grayburg 4,133'San Andres 4,345'Clear Fork 6,511'Spraberry 7,357'Glorieta
42-329-44692 SHACKELFORD 39A · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,020'Rustler 1,626'Yates 2,551'Seven Rivers 2,858'Queen 3,597'Grayburg 4,136'San Andres 4,371'Clear Fork 6,517'Spraberry 7,363'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
8,846–21,427 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,507 ft1,475 sx
9.625"5,786 ft1,325 sx
5.5"21,452 ft1,045 sx

Permit History (1)

Applications (1)

#867380 A PIONEER NATURAL RES. USA, INC.
received 2021-01-28

Records & Logs

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

W-2/G-1 2022-03-08
W-2/G-1 2022-02-09 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 31.789910
Lon -101.904127

Well Details

Well Number
3901H
Max Depth
8,685 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2021-12-21

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
15,399