42-329-31641

Final Completion

SHACKELFORD SPRABERRY UNIT

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

Permits

Max Depth

11,300 ft

First Permit

1985-11-15

Latest Activity

1993-12-20

Lifespan

8 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1994-03-20

Shut-In

—

Plugged

2008-03-17

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: PARKER & PARSLEY DEVELOPMENT CO.

Resolved via: production → PIONEER NATURAL RES. USA, INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

EXXON CORP. 1993-1993→ PARKER & PARSLEY DEVELOPMENT CO. 1993-1995→ 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.

Formation Tops (7) Elevation 2,688 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CLEARFORK (Clear Fork)	6,508 ft	-3,820 ft
UPPER SPRABERRY (Spraberry)	7,360 ft	-4,672 ft
SPRABERRY	7,370 ft	-4,682 ft
LOWER SPRABERRY (Spraberry)	8,038 ft	-5,350 ft
DEAN	8,750 ft	-6,062 ft
STRAWN	10,584 ft	-7,896 ft
ATOKA	10,803 ft	-8,115 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 (4)

Interval	Type
7,365–7,568 ft	Perforated
8,038–8,305 ft	Perforated
8,750–9,097 ft	Perforated
11,156–11,165 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	465 ft	600 sx
9.625"	4,214 ft	1,440 sx
7"	10,021 ft	650 sx

Permit History (2)

#419476 Recompletion Final Completion

SHACKELFORD SPRABERRY UNIT · 9,150 ft

1993-12-20

Spud 1994-02-07

#290652 Drill Final Completion

TXL K · 11,300 ft

1985-11-15

Spud 1986-01-22

Applications (2)

#419476 A PARKER & PARSLEY DEVELOPMENT CO.

received 1993-12-20

#290652 A EXXON CORP.

received 1985-11-14

Records & Logs

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

W-2/G-1 1994-03-31 log on file

W-2/G-1 1986-03-27 log on file

W-2/G-1 1986-04-04

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 MIDLAND County.

Well Details

Well Number: 2602A
Max Depth: 11,300 ft
Drill Type: Vertical
County: MIDLAND
District: 8
Operator: PIONEER NATURAL RES. USA INC.
Completed: 1994-03-20

Operator

Name: PIONEER NATURAL RES. USA, INC
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: 15,429