42-329-43067

PRODUCING Horizontal

SHACKELFORD W39A

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

2019-08-21

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 (17) Elevation 2,652 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 978 ft+1,674 ft
SANTA ROSA 1,002 ft+1,650 ft
YATES 2,416 ft+236 ft
YATES 2,508 ft+144 ft
SEVEN RIVERS 2,510 ft+142 ft
QUEEN 2,831 ft-179 ft
SEVEN RIVERS 2,835 ft-183 ft
QUEEN 3,500 ft-848 ft
GRAYBURG 3,828 ft-1,176 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)3,976 ft-1,324 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,196 ft-1,544 ft
CLEARFORK (Clear Fork)6,164 ft-3,512 ft
SPRABERRY 7,071 ft-4,419 ft
SPRABERRY UPPER-DEAN (Spraberry)8,445 ft-5,793 ft
SPRABERRY UPPER-DEAN (Spraberry)8,450 ft-5,798 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
42-329-43069 SHACKELFORD W39B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,004'Yates 2,504'Seven Rivers 2,826'Queen 3,509'San Andres 4,191'Clear Fork 6,153'Spraberry 7,066'Spraberry 8,440'Grayburg Glorieta
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'Seven Rivers 2,528'Yates 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
9,390–18,172 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,441 ft1,465 sx
9.625"5,398 ft760 sx
5.5"18,207 ft935 sx

Permit History (1)

Applications (1)

#848678 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 2020-01-27
W-2/G-1 2019-09-13 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 31.830384
Lon -101.828935

Well Details

Well Number
1H
Max Depth
10,600 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2019-08-21

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
15,401