42-329-43069

PRODUCING Horizontal

SHACKELFORD W39B

MIDLAND County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA) R 40 EXC

Permits

1

Max Depth

10,600 ft

First Permit

2019-02-11

Latest Activity

2019-02-11

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-08-19

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2019-08

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 2,652 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,004 ft+1,648 ft
YATES 2,504 ft+148 ft
SEVEN RIVERS 2,826 ft-174 ft
QUEEN 3,509 ft-857 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,191 ft-1,539 ft
CLEARFORK (Clear Fork)6,153 ft-3,501 ft
SPRABERRY 7,066 ft-4,414 ft
SPRABERRY UPPER-DEAN (Spraberry)8,440 ft-5,788 ft
GLORIETA
GRAYBURG

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
42-329-43067 SHACKELFORD W39A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 978'Santa Rosa 1,002'Yates 2,416'Yates 2,508'Seven Rivers 2,510'Queen 2,831'Seven Rivers 2,835'Queen 3,500'Grayburg 3,828'San Andres 3,976'San Andres 4,196'Clear Fork 6,164' +5 more
42-329-43070 SHACKELFORD W39C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,240'Yates 2,500'Yates 2,508'Seven Rivers 2,822'Queen 3,497'Queen 3,498'Grayburg 3,826'San Andres 3,988'San Andres 4,178'Clear Fork 6,142'Spraberry 7,059'Spraberry 7,061' +5 more
42-329-43071 SHACKELFORD W39D · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 996'Yates 2,442'Yates 2,528'Seven Rivers 2,528'Queen 2,844'Seven Rivers 2,844'Grayburg 3,494'Queen 3,494'San Andres 3,794'Grayburg 3,841'San Andres 3,841'Spraberry 6,033' +5 more
42-329-43072 SHACKELFORD W39E · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,010'Santa Rosa 1,240'Yates 2,502'Yates 2,512'Seven Rivers 2,798'Seven Rivers 2,828'Queen 3,454'Grayburg 3,490'Queen 3,495'Grayburg 3,819'San Andres 3,968'San Andres 4,191' +6 more
42-329-43073 SHACKELFORD W39F · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,000'Yates 2,513'Seven Rivers 2,828'Queen 3,483'Grayburg 3,826'San Andres 3,985'Clear Fork 6,096'Spraberry 7,065'Spraberry 8,428'Glorieta
42-329-42540 SHACKELFORD 33U · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,010'Yates 2,484'Seven Rivers 2,793'Queen 3,407'Grayburg 3,932'San Andres 4,143'Clear Fork 6,114'Spraberry 7,039'Spraberry 8,416'Glorieta
42-329-42547 SHACKELFORD · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 472'Yates 2,473'Seven Rivers 2,801'Queen 3,482'Grayburg 3,926'San Andres 4,116'Clear Fork 6,131'Spraberry 7,037'Spraberry 8,412'Glorieta
42-329-42548 SHACKELFORD · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 494'Yates 2,483'Seven Rivers 2,795'Queen 3,410'Grayburg 3,910'San Andres 4,121'Clear Fork 6,062'Spraberry 7,035'Spraberry 8,410'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
9,377–19,359 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,446 ft1,465 sx
9.625"5,348 ft820 sx
5.5"19,397 ft1,025 sx

Permit History (1)

Applications (1)

#848679 A PIONEER NATURAL RES. USA, INC.
received 2019-01-14

Records & Logs

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

W-2/G-1 2019-10-02
W-2/G-1 2019-09-27 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 31.830416
Lon -101.828795

Well Details

Well Number
2H
Max Depth
10,600 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2019-08-19

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
15,401