42-329-47446

PRODUCING Horizontal

SHACKELFORD 10-39C

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

2025-11-12

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-11

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 958 ft+1,781 ft
RUSTLER 1,532 ft+1,207 ft
YATES 2,412 ft+327 ft
SEVEN RIVERS 2,588 ft+151 ft
QUEEN 3,270 ft-531 ft
GRAYBURG 3,748 ft-1,009 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)3,954 ft-1,215 ft
CLEARFORK (Clear Fork)6,211 ft-3,472 ft
SPRABERRY 7,122 ft-4,383 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
42-329-47444 SHACKELFORD 10-39A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 968'Rustler 1,508'Yates 2,414'Seven Rivers 2,588'Queen 3,279'Grayburg 3,747'San Andres 3,962'Clear Fork 6,230'Spraberry 7,115'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
10,601–28,493 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,445 ft1,505 sx
9.625"6,349 ft1,700 sx
5.5"28,518 ft1,900 sx

Permit History (1)

Applications (1)

#903457 A PIONEER NATURAL RES. USA, INC.
received 2024-10-22

Records & Logs

2 completion filings on record.

W-2/G-1 2026-01-08
W-2/G-1 2025-11-13

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 31.780018
Lon -101.813271

Well Details

Well Number
203H
Max Depth
10,510 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2025-11-12

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