42-329-47444

PRODUCING Horizontal

SHACKELFORD 10-39A

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

Permits

1

Max Depth

10,510 ft

First Permit

2024-11-26

Latest Activity

2024-11-26

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-10-30

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-10

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 2,739 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 968 ft+1,771 ft
RUSTLER 1,508 ft+1,231 ft
YATES 2,414 ft+325 ft
SEVEN RIVERS 2,588 ft+151 ft
QUEEN 3,279 ft-540 ft
GRAYBURG 3,747 ft-1,008 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)3,962 ft-1,223 ft
CLEARFORK (Clear Fork)6,230 ft-3,491 ft
SPRABERRY 7,115 ft-4,376 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
42-329-47445 SHACKELFORD 10-39B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 958'Rustler 1,520'Yates 2,413'Seven Rivers 2,589'Queen 3,277'Grayburg 3,744'San Andres 3,967'Clear Fork 6,217'Spraberry 7,123'Fusselman Devonian Glorieta +1 more
42-329-47446 SHACKELFORD 10-39C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 958'Rustler 1,532'Yates 2,412'Seven Rivers 2,588'Queen 3,270'Grayburg 3,748'San Andres 3,954'Clear Fork 6,211'Spraberry 7,122'Glorieta
42-329-47135 SHACKELFORD-FREEMAN 10F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 944'Rustler 1,576'Yates 2,407'Seven Rivers 2,614'Queen 3,358'Grayburg 3,733'San Andres 4,091'Clear Fork 6,141'Spraberry 7,121'Spraberry 8,478'Glorieta
42-329-47134 SHACKELFORD-FREEMAN 10E · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 952'Rustler 1,512'Yates 2,394'Seven Rivers 2,687'Queen 3,362'Grayburg 3,830'San Andres 3,958'Clear Fork 6,169'Spraberry 7,128'Glorieta
42-329-47133 SHACKELFORD-FREEMAN 10D · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 949'Rustler 1,517'Yates 2,421'Seven Rivers 2,687'Queen 3,368'Grayburg 3,828'San Andres 3,965'Clear Fork 6,179'Spraberry 7,131'Glorieta
42-329-45120 PRESTON 9J · PIONEER NATURAL RES. USA, INC.
0.5 mi
Santa Rosa 960'Rustler 1,532'Yates 2,423'Seven Rivers 2,697'Queen 3,350'Grayburg 3,898'San Andres 4,008'Clear Fork 6,156'Spraberry 7,067'Grayburg 9,133'Glorieta
42-329-45121 PRESTON 9K · PIONEER NATURAL RES. USA, INC.
0.5 mi
Santa Rosa 960'Rustler 1,529'Yates 2,415'Seven Rivers 2,689'Queen 3,667'Grayburg 3,886'San Andres 4,034'Clear Fork 6,235'Spraberry 7,131'Glorieta
42-329-45122 PRESTON 9L · PIONEER NATURAL RES. USA, INC.
0.5 mi
Seven Rivers 270'Santa Rosa 960'Rustler 1,521'Yates 2,419'Seven Rivers 2,700'Queen 3,384'Grayburg 3,881'San Andres 4,028'Clear Fork 6,185'Spraberry 7,128'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
9,797–27,888 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,430 ft1,505 sx
9.625"6,303 ft1,685 sx
5.5"27,912 ft2,310 sx

Permit History (1)

Applications (1)

#903454 A PIONEER NATURAL RES. USA, INC.
received 2024-10-22

Records & Logs

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

W-2/G-1 2026-01-08
W-2/G-1 2025-11-25 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 31.779975
Lon -101.813457

Well Details

Well Number
201H
Max Depth
10,510 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2025-10-30

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