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42-329-37651

Final Completion

CASS A

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

Permits

1

Max Depth

11,385 ft

First Permit

2011-11-29

Latest Activity

2011-11-29

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2012-03-28

Shut-In

—

Plugged

2023-09-21

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2007-11

Last Production

2026-07

Lease Production

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

Oil
production & DCA →

Formation Tops (6) Elevation 2,804 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)7,840 ft-5,036 ft
TOP LOWER SPRABERRY (Spraberry)8,416 ft-5,612 ft
TOP OF DEAN (Dean)9,192 ft-6,388 ft
TOP OF WOLFCAMP (Wolfcamp)9,372 ft-6,568 ft
TOP OF STRAWN (Strawn)10,472 ft-7,668 ft
TOP OF ATOKA (Atoka)10,749 ft-7,945 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 (5)

IntervalType
7,847–9,102 ftPerforated
9,257–9,394 ftPerforated
9,486–10,346 ftPerforated
10,528–10,712 ftPerforated
10,766–10,916 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"323 ft200 sx
4.5"10,963 ft1,655 sx

Permit History (1)

#725786 Drill Final Completion

CASS 'A' · 11,385 ft

2011-11-29

Spud 2012-01-20

Applications (1)

#725786 A PIONEER NATURAL RES. USA, INC.
received 2011-10-06

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2012-05-29 log on file
Completion packets + logs ↗ Wellbore filings ↗

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
2
Max Depth
11,385 ft
Drill Type
Vertical
County
MIDLAND
District
8
Operator
PIONEER NATURAL RES. USA INC.
Completed
2012-03-28

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
15,417