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42-383-34957

Final Completion

SPRABERRY DRIVER UNIT

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

Permits

1

Max Depth

8,600 ft

First Permit

1998-12-08

Latest Activity

1998-12-08

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2024-06-25

Shut-In

—

Plugged

2025-12-19

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 2,707 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)6,883 ft-4,176 ft
TOP LOWER SPRABERRY (Spraberry)7,627 ft-4,920 ft
TOP OF DEAN (Dean)8,317 ft-5,610 ft
BASE OF DEAN (Dean)8,509 ft-5,802 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
6,912–7,106 ftPerforated
7,630–7,876 ftPerforated
8,331–8,504 ftPerforated

Casing (2)

SizeSet DepthCement
12.75"472 ft330 sx
4.5"8,694 ft1,385 sx

Permit History (1)

#481368 Drill Final Completion

SPRABERRY DRIVER UNIT · 8,600 ft

1998-12-08

Spud 1998-12-26

Applications (1)

#481368 A PIONEER NATURAL RES. USA, INC.
received 1998-12-08

Records & Logs

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

W-2/G-1 2025-11-10
W-2/G-1 1999-09-27 log on file
W-2/G-1 1999-11-03
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 REAGAN County.

Well Details

Well Number
1791A
Max Depth
8,600 ft
Drill Type
Vertical
County
REAGAN
District
8
Operator
PIONEER NATURAL RES. USA INC.
Completed
2024-06-25

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
15,403