42-329-33180

Final Completion

SHACKELFORD SPRABERRY UNIT

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

Permits

1

Max Depth

8,960 ft

First Permit

1994-12-05

Latest Activity

1994-12-05

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2013-10-21

Shut-In

Plugged

2020-06-11

!

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: PARKER & PARSLEY DEVELOPMENT CO.

Resolved via: productionPIONEER NATURAL RES. USA, INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

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 (3) Elevation 2,753 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
UPPER SPRABERRY (Spraberry)7,250 ft-4,497 ft
LOWER SPRABERRY (Spraberry)7,938 ft-5,185 ft
DEAN 8,610 ft-5,857 ft

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 (3)

IntervalType
7,254–7,502 ftPerforated
7,998–8,218 ftPerforated
8,636–8,851 ftPerforated

Casing (2)

SizeSet DepthCement
12.75"376 ft400 sx
4.5"8,960 ft1,700 sx

Permit History (1)

Applications (1)

#430670 A PARKER & PARSLEY DEVELOPMENT CO.
received 1994-12-05

Records & Logs

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

W-2/G-1 2014-01-16
W-2/G-1 2010-03-15
W-2/G-1 1995-02-14 log on file
W-2/G-1 1995-02-28

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
6303A
Max Depth
8,960 ft
Drill Type
Vertical
County
MIDLAND
District
8
Completed
2013-10-21

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
15,429