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42-173-32948

SHUT IN

SPRABERRY DRIVER UNIT

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

Permits

1

Max Depth

8,600 ft

First Permit

1999-01-19

Latest Activity

1999-01-19

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1999-06-06

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

PG&E RESOURCES COMPANY 1993-1994→ MIDPAR L.P. 1994-1995→ PARKER & PARSLEY DEVELOPMENT L.P 1995-1997→ PIONEER NATURAL RES. USA, INC. 1997-2026

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 (4) Elevation 2,709 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)6,740 ft-4,031 ft
TOP LOWER SPRABERRY (Spraberry)7,463 ft-4,754 ft
TOP OF DEAN (Dean)8,188 ft-5,479 ft
BASE OF DEAN (Dean)8,377 ft-5,668 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
6,804–6,986 ftPerforated
7,482–7,700 ftPerforated
8,224–8,410 ftPerforated

Casing (2)

SizeSet DepthCement
12.75"426 ft450 sx
4.5"8,520 ft1,385 sx

Permit History (1)

#482120 Drill Final Completion

SPRABERRY DRIVER UNIT · 8,600 ft

1999-01-19

Spud 1999-01-27

Applications (1)

#482120 A PIONEER NATURAL RES. USA, INC.
received 1999-01-19

Records & Logs

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

W-2/G-1 1999-08-16 log on file
W-2/G-1 1999-09-02
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 GLASSCOCK County.

Well Details

Well Number
B81 A
Max Depth
8,600 ft
Drill Type
Vertical
County
GLASSCOCK
District
8
Operator
PIONEER NATURAL RES. USA INC.
Completed
1999-06-06

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
15,401