42-329-47097

PRODUCING Horizontal

SHACKELFORD 3F

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

Permits

1

Max Depth

10,610 ft

First Permit

2024-07-15

Latest Activity

2024-07-15

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-06-25

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-06

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 2,789 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 998 ft+1,791 ft
RUSTLER 1,657 ft+1,132 ft
YATES 2,582 ft+207 ft
SEVEN RIVERS 2,868 ft-79 ft
QUEEN 3,599 ft-810 ft
GRAYBURG 4,108 ft-1,319 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,297 ft-1,508 ft
CLEARFORK (Clear Fork)6,550 ft-3,761 ft
SPRABERRY 7,408 ft-4,619 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
42-329-47355 SHACKELFORD SPRABERRY UNIT · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 998'Rustler 1,688'Grayburg 4,109'San Andres 4,301'Clear Fork 6,610'Spraberry 7,474'Wolfcamp Spraberry Glorieta Canyon
42-329-47098 SHACKELFORD 3H · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 998'Rustler 1,646'Yates 2,593'Seven Rivers 2,875'Queen 3,597'Grayburg 4,109'San Andres 4,299'Clear Fork 6,549'Spraberry 7,406'PRECAMBRIAN (UNDIFFERENTIATED) Glorieta Fusselman +4 more
42-329-47353 SHACKELFORD SPRABERRY UNIT · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 999'Rustler 1,651'Yates 2,568'Seven Rivers 2,866'Queen 3,586'Grayburg 4,100'San Andres 4,288'Clear Fork 6,542'Spraberry 7,398'Glorieta
42-329-47094 SHACKELFORD 3B · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 999'Rustler 1,653'Yates 2,590'Seven Rivers 2,875'Queen 3,596'Grayburg 4,145'San Andres 4,324'Clear Fork 6,549'Spraberry 7,418'Glorieta
42-329-47095 SHACKELFORD 3C · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 999'Rustler 1,654'Yates 2,570'Seven Rivers 2,866'Queen 3,584'Grayburg 4,102'San Andres 4,296'Clear Fork 6,534'Spraberry 7,390'Spraberry 8,789'Wolfcamp 8,953'Canyon +1 more
42-329-47354 SHACKELFORD SPRABERRY UNIT · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 999'Rustler 1,652'Yates 2,574'Seven Rivers 2,869'Queen 3,587'Grayburg 4,102'San Andres 4,290'Clear Fork 6,543'Spraberry 7,400'Glorieta
42-329-47096 SHACKELFORD 3E · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 999'Rustler 1,645'Yates 2,569'Seven Rivers 2,866'Queen 3,583'Grayburg 4,094'San Andres 4,286'Clear Fork 6,541'Spraberry 7,392'Mississippian Strawn CAMBRIAN +7 more
42-329-42728 SHACKELFORD E10A · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,235'Yates 2,570'Seven Rivers 2,861'Queen 3,580'Grayburg 4,162'San Andres 4,272'Clear Fork 6,545'Spraberry 7,403'Spraberry 8,777'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
9,478–30,355 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,555 ft1,800 sx
9.625"5,869 ft1,163 sx
5.5"30,380 ft1,671 sx

Permit History (1)

Applications (1)

#900279 A PIONEER NATURAL RES. USA, INC.
received 2024-06-06

Records & Logs

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

W-2/G-1 2025-08-18
W-2/G-1 2025-08-11 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 31.768964
Lon -101.906061

Well Details

Well Number
306H
Max Depth
10,610 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2025-06-25

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