42-329-45858

PRODUCING Horizontal

SHACKELFORD 40-12E

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

Permits

2

Max Depth

10,475 ft

First Permit

2022-08-31

Latest Activity

2022-08-31

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-07-14

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2023-04

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 (11) Elevation 2,700 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,000 ft+1,700 ft
RUSTLER 1,573 ft+1,127 ft
YATES 2,506 ft+194 ft
SEVEN RIVERS 2,784 ft-84 ft
QUEEN 3,481 ft-781 ft
GRAYBURG 3,988 ft-1,288 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,092 ft-1,392 ft
CLEARFORK (Clear Fork)6,374 ft-3,674 ft
SPRABERRY 7,253 ft-4,553 ft
SPRABERRY / DEAN (Spraberry)8,641 ft-5,941 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
42-329-45857 SHACKELFORD 40-12D · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,000'Rustler 1,573'Yates 2,510'Seven Rivers 2,786'Queen 3,485'Grayburg 3,999'San Andres 4,105'Clear Fork 6,397'Spraberry 7,262'Glorieta
42-329-45859 SHACKELFORD 40-12F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,000'Rustler 1,583'Yates 2,512'Seven Rivers 2,788'Queen 3,483'Grayburg 3,987'San Andres 4,099'Clear Fork 6,371'Spraberry 7,244'Glorieta
42-329-45851 SHACKELFORD 40-12C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,000'Rustler 1,592'Yates 2,506'Seven Rivers 2,784'Queen 3,484'Grayburg 4,006'San Andres 4,117'Clear Fork 6,404'Spraberry 7,267'Glorieta
42-329-45846 SHACKELFORD 40-12B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,000'Rustler 1,573'Yates 2,500'Seven Rivers 2,783'Queen 3,482'Queen 3,483'Grayburg 4,009'San Andres 4,117'Clear Fork 6,404'Spraberry 7,273'Glorieta
42-329-47368 SHACKELFORD 29-17L · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,001'Rustler 1,613'Yates 2,523'Seven Rivers 2,806'Queen 3,498'Grayburg 4,085'San Andres 4,208'Clear Fork 6,344'Spraberry 7,235'Glorieta
42-329-47369 SHACKELFORD 29-17M · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,001'Rustler 1,586'Yates 2,515'Seven Rivers 2,803'Queen 3,503'Grayburg 4,082'San Andres 4,209'Clear Fork 6,340'Spraberry 7,228'Spraberry 8,592'Wolfcamp 8,778'Canyon +2 more
42-329-47370 SHACKELFORD 29-17N · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,001'Rustler 1,622'Yates 2,530'Seven Rivers 2,808'Queen 3,516'Grayburg 4,086'San Andres 4,207'Clear Fork 6,349'Spraberry 7,236'Mississippian CAMBRIAN PRECAMBRIAN (UNDIFFERENTIATED) +6 more
42-329-45943 SHACKELFORD 40-12G · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 965'Rustler 1,606'Yates 1,651'Seven Rivers 2,509'Yates 2,509'Seven Rivers 2,799'Queen 3,496'Grayburg 3,995'San Andres 4,087'Clear Fork 6,356'Spraberry 7,233'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
9,228–24,809 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,467 ft1,500 sx
9.625"5,645 ft1,319 sx
5.5"24,834 ft1,692 sx

Permit History (2)

Applications (2)

#882713 A PIONEER NATURAL RES. USA, INC.
received 2022-12-05
#882713 A PIONEER NATURAL RES. USA, INC.
received 2022-08-02

Records & Logs

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

W-2/G-1 2023-08-25
W-2/G-1 2023-07-03 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 31.805004
Lon -101.886169

Well Details

Well Number
5H
Max Depth
10,475 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2023-07-14

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