42-329-44594

PRODUCING Horizontal

SHACKELFORD 39H

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

Permits

1

Max Depth

10,493 ft

First Permit

2021-02-03

Latest Activity

2021-02-03

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-05-26

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2021-12

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 (15) Elevation 2,743 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,035 ft+1,708 ft
RUSTLER 1,595 ft+1,148 ft
YATES 2,560 ft+183 ft
SEVEN RIVERS 2,822 ft-79 ft
QUEEN 3,549 ft-806 ft
GRAYBURG 4,093 ft-1,350 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,296 ft-1,553 ft
CLEARFORK (Clear Fork)6,476 ft-3,733 ft
SPRABERRY 7,318 ft-4,575 ft
CAMBRIAN
DEVONIAN
ELLENBURGER
FUSSELMAN
GLORIETA
PRECAMBRIAN (UNDIFFERENTIATED)

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
42-329-44593 SHACKELFORD 39G · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,035'Rustler 1,595'Yates 2,563'Seven Rivers 2,826'Queen 3,551'Grayburg 4,100'San Andres 4,296'Clear Fork 6,478'Spraberry 7,327'Glorieta
42-329-44595 SHACKELFORD 39I · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,035'Rustler 1,597'Yates 2,560'Seven Rivers 2,830'Queen 3,551'Grayburg 4,097'San Andres 4,286'Clear Fork 6,471'Spraberry 7,319'Glorieta
42-329-44596 SHACKELFORD 39J · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,035'Rustler 1,596'Yates 2,564'Seven Rivers 2,822'Queen 3,541'Grayburg 4,093'San Andres 4,291'Clear Fork 6,474'Spraberry 7,314'Glorieta
42-329-44597 SHACKELFORD 39K · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,035'Rustler 1,596'Yates 2,553'Seven Rivers 2,821'Queen 3,542'Grayburg 4,091'San Andres 4,277'Clear Fork 6,466'Spraberry 7,311'Glorieta
42-329-44598 SHACKELFORD 39L · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,035'Rustler 1,596'Yates 2,561'Seven Rivers 2,830'Queen 3,544'Grayburg 4,087'San Andres 4,287'Clear Fork 6,466'Spraberry 7,311'Glorieta
42-329-44541 SHACKELFORD SPRABERRY UNIT · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,038'Rustler 1,616'Yates 2,529'Seven Rivers 2,827'Queen 3,552'Grayburg 4,111'San Andres 4,305'Clear Fork 6,485'Spraberry 7,332'Glorieta
42-329-44542 SHACKELFORD SPRABERRY UNIT · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,038'Rustler 1,619'Yates 2,537'Seven Rivers 2,829'Queen 3,547'Grayburg 4,101'San Andres 4,308'Clear Fork 6,483'Spraberry 7,331'Glorieta
42-329-44543 SHACKELFORD SPRABERRY UNIT · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,038'Rustler 1,623'Yates 2,538'Seven Rivers 2,828'Queen 3,544'Grayburg 4,092'San Andres 5,622'Clear Fork 6,478'Spraberry 7,322'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
9,196–19,577 ftPerforated

Casing (4)

SizeSet DepthCement
13.375"1,471 ft1,550 sx
9.625"2,743 ft439 sx
9.625"5,743 ft1,137 sx
5.5"19,602 ft199 sx

Permit History (1)

Applications (1)

#866840 A PIONEER NATURAL RES. USA, INC.
received 2021-01-05

Records & Logs

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

W-2/G-1 2022-07-18
W-2/G-1 2022-05-26 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 31.795681
Lon -101.896611

Well Details

Well Number
8H
Max Depth
10,493 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2022-05-26

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
15,400