← Wells

42-235-34236

Final Completion

ROCKER B

IRION County · District 7 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

1

Max Depth

8,900 ft

First Permit

2008-04-10

Latest Activity

2008-04-10

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2008-10-13

Shut-In

—

Plugged

2019-02-25

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1997-04

Last Production

2026-07

Operator History

Chain of Custody

PARKER & PARSLEY DEVELOPMENT L.P 1997-1997→ PIONEER NATURAL RES. USA, INC. 1997-2026→ PRIZE OPERATING COMPANY 1999-2002→ GRUY PETROLEUM MANAGEMENT CO. 2002-2006→ CIMAREX ENERGY CO. OF COLORADO 2006-2007

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 2,475 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)4,893 ft-2,418 ft
TOP LOWER SPRABERRY (Spraberry)5,451 ft-2,976 ft
TOP DEAN (Dean)6,275 ft-3,800 ft
BASE DEAN (Dean)6,418 ft-3,943 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 (6)

IntervalType
4,894–5,534 ftPerforated
5,571–5,971 ftPerforated
6,142–6,433 ftPerforated
6,529–6,708 ftPerforated
6,808–7,472 ftPerforated
7,567–8,007 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"634 ft400 sx
4.5"8,263 ft1,075 sx

Permit History (1)

#658343 Drill Final Completion

ROCKER B · 8,900 ft

2008-04-10

Spud 2008-09-04

Applications (1)

#658343 A PIONEER NATURAL RES. USA, INC.
received 2008-03-27

Records & Logs

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

W-2/G-1 2008-12-22 log on file
W-2/G-1 2009-01-06
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 IRION County.

Well Details

Well Number
16Y
Max Depth
8,900 ft
Drill Type
Vertical
County
IRION
District
7
Operator
PIONEER NATURAL RES. USA INC.
Completed
2008-10-13

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
15,400