42-329-41423

INJECTION

SHACKELFORD 12

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

Permits

1

Max Depth

6,000 ft

First Permit

2016-12-30

Latest Activity

2016-12-30

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-08-06

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2017-04

Last Production

2026-07

W-14 Disposal Active UIC #000110296 permitted 2022-11-03

Permitted Volume

25,000 bbl/d

Max Pressure

2,075 psi

Injection Interval

4,150–4,800 ft

Injected (12mo)

1,382,719 bbl

Monthly injected volume (bbl, from H-10 filings through 2026-01-01)

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (10) Elevation 2,765 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 827 ft+1,938 ft
YATES 2,527 ft+238 ft
SEVEN RIVERS 2,822 ft-57 ft
QUEEN 3,520 ft-755 ft
GRAYBURG 4,121 ft-1,356 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,253 ft-1,488 ft
CLEARFORK (Clear Fork)
GLORIETA
SPRABERRY
SPRABERRY UPPER-DEAN (Spraberry)

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 ↗

Perforations (1)

IntervalType
4,195–4,540 ftPerforated

Casing (2)

SizeSet DepthCement
10.75"1,382 ft713 sx
7"5,864 ft1,458 sx

Permit History (1)

Applications (1)

#821194 A PIONEER NATURAL RES. USA, INC.
received 2016-12-13

Records & Logs

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

W-2/G-1 2025-08-12
W-2/G-1 2022-10-10
W-2/G-1 2017-06-06 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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in MIDLAND County.

Well Details

Well Number
1D
Max Depth
6,000 ft
Drill Type
Vertical
County
MIDLAND
District
8
Completed
2025-08-06

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
15,468