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42-173-33100

PRODUCING

SPRABERRY DRIVER UNIT

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

Permits

1

Max Depth

8,600 ft

First Permit

2002-12-11

Latest Activity

2002-12-11

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2003-02-06

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 2,708 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)6,796 ft-4,088 ft
TOP LOWER SPRABERRY (Spraberry)7,356 ft-4,648 ft
TOP OF DEAN (Dean)8,120 ft-5,412 ft
BASE OF DEAN (Dean)8,361 ft-5,653 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
6,816–6,970 ftPerforated
7,414–7,684 ftPerforated
8,201–8,484 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"423 ft225 sx
4.5"8,600 ft1,200 sx

Permit History (1)

#526252 Drill Final Completion

SPRABERRY DRIVER UNIT · 8,600 ft

2002-12-11

Spud 2002-12-23

Applications (1)

#526252 A PIONEER NATURAL RES. USA, INC.
received 2002-12-10

Records & Logs

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

W-2/G-1 2003-06-02 log on file
W-2/G-1 2003-08-15
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
C 81A
Max Depth
8,600 ft
Drill Type
Vertical
County
GLASSCOCK
District
8
Operator
PIONEER NATURAL RES. USA INC.
Completed
2003-02-06

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