42-329-44692

PRODUCING Horizontal

SHACKELFORD 39A

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

Permits

1

Max Depth

10,591 ft

First Permit

2021-03-19

Latest Activity

2021-03-19

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-12-30

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2021-08

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 2,759 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,020 ft+1,739 ft
RUSTLER 1,626 ft+1,133 ft
YATES 2,551 ft+208 ft
SEVEN RIVERS 2,858 ft-99 ft
QUEEN 3,597 ft-838 ft
GRAYBURG 4,136 ft-1,377 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,371 ft-1,612 ft
CLEARFORK (Clear Fork)6,517 ft-3,758 ft
SPRABERRY 7,363 ft-4,604 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
42-329-44693 SHACKELFORD 39B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,028'Rustler 1,628'Yates 2,557'Seven Rivers 2,862'Queen 3,583'Grayburg 4,131'San Andres 4,359'Clear Fork 6,506'Spraberry 7,358'Glorieta
42-329-44694 SHACKELFORD 39C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,038'Rustler 1,632'Yates 2,554'Seven Rivers 2,870'Queen 3,592'Grayburg 4,122'San Andres 4,347'Clear Fork 6,512'Spraberry 7,360'Glorieta
42-329-44695 SHACKELFORD 39D · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,027'Rustler 1,614'Yates 2,554'Seven Rivers 2,859'Queen 3,585'Grayburg 4,111'San Andres 4,335'Clear Fork 6,496'Spraberry 7,343'Glorieta
42-329-44696 SHACKELFORD 39E · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,025'Rustler 1,635'Yates 2,549'Seven Rivers 2,856'Queen 3,582'Grayburg 4,120'San Andres 4,333'Clear Fork 6,506'Spraberry 7,353'Glorieta
42-329-44697 SHACKELFORD 39F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,034'Rustler 1,630'Yates 2,549'Seven Rivers 2,870'Queen 3,586'Grayburg 4,124'San Andres 4,325'Clear Fork 6,493'Spraberry 7,338'Glorieta
42-329-47495 SHACKELFORD SPRABERRY UNIT · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,048'Rustler 1,598'Yates 2,547'Seven Rivers 2,867'Queen 3,595'Grayburg 4,128'San Andres 4,364'Clear Fork 6,520'Spraberry 7,387'Glorieta
42-329-47496 SHACKELFORD SPRABERRY UNIT · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,048'Rustler 1,556'Yates 2,546'Seven Rivers 2,858'Queen 3,581'Grayburg 4,115'San Andres 4,359'Clear Fork 6,509'Spraberry 7,360'Glorieta
42-329-47390 SHACKELFORD 39-27A · PIONEER NATURAL RES. USA, INC.
0.1 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

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
9,856–22,727 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,471 ft1,505 sx
9.625"5,745 ft1,155 sx
5.5"22,752 ft1,335 sx

Permit History (1)

Applications (1)

#867764 A PIONEER NATURAL RES. USA, INC.
received 2021-02-15

Records & Logs

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

W-2/G-1 2022-03-11
W-2/G-1 2021-12-13 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 31.791473
Lon -101.904475

Well Details

Well Number
1H
Max Depth
10,591 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2021-12-30

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