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42-173-32959

Final Completion

SPRABERRY DRIVER UNIT

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

Permits

1

Max Depth

8,600 ft

First Permit

1999-02-18

Latest Activity

1999-02-18

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1999-11-04

Shut-In

—

Plugged

2014-08-12

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 (5) Elevation 2,690 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)6,423 ft-3,733 ft
TOP LOWER SPRABERRY (Spraberry)7,164 ft-4,474 ft
BASE OF DEAN (Dean)7,865 ft-5,175 ft
TOP OF DEAN (Dean)7,865 ft-5,175 ft
BASE OF DEAN (Dean)8,061 ft-5,371 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
6,469–6,630 ftPerforated
7,175–7,385 ftPerforated
7,871–8,053 ftPerforated

Casing (2)

SizeSet DepthCement
12.75"470 ft350 sx
4.5"8,156 ft1,385 sx

Permit History (1)

#482800 Drill Final Completion

SPRABERRY DRIVER UNIT · 8,600 ft

1999-02-18

Spud 1999-09-05

Applications (1)

#482800 A PIONEER NATURAL RES. USA, INC.
received 1999-02-18

Records & Logs

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

W-2/G-1 2000-01-24 log on file
W-2/G-1 2000-04-10
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
1187A
Max Depth
8,600 ft
Drill Type
Vertical
County
GLASSCOCK
District
8
Operator
PIONEER NATURAL RES. USA INC.
Completed
1999-11-04

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