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42-173-32991

Final Completion

SPRABERRY DRIVER UNIT

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

Permits

1

Max Depth

8,380 ft

First Permit

1999-09-13

Latest Activity

1999-09-13

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2000-01-03

Shut-In

—

Plugged

2025-05-19

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 2,698 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)6,644 ft-3,946 ft
TOP LOWER SPRABERRY (Spraberry)7,220 ft-4,522 ft
TOP OF DEAN (Dean)8,056 ft-5,358 ft
BASE OF DEAN (Dean)8,245 ft-5,547 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
6,685–6,854 ftPerforated
7,232–7,584 ftPerforated
8,076–8,283 ftPerforated

Casing (2)

SizeSet DepthCement
12.75"460 ft370 sx
4.5"8,382 ft1,385 sx

Permit History (1)

#487544 Drill Final Completion

SPRABERRY DRIVER UNIT · 8,380 ft

1999-09-13

Spud 1999-11-25

Applications (1)

#487544 A PIONEER NATURAL RES. USA, INC.
received 1999-09-13

Records & Logs

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

W-2/G-1 2000-05-26 log on file
W-2/G-1 2000-07-27
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
1129A
Max Depth
8,380 ft
Drill Type
Vertical
County
GLASSCOCK
District
8
Operator
PIONEER NATURAL RES. USA INC.
Completed
2000-01-03

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