← Wells

42-235-34320

Final Completion

ROCKER B

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

Permits

1

Max Depth

8,800 ft

First Permit

2008-08-07

Latest Activity

2008-08-07

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2023-10-12

Shut-In

—

Plugged

2025-06-18

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 2,532 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)5,002 ft-2,470 ft
TOP LOWER SPRABERRY (Spraberry)5,564 ft-3,032 ft
TOP DEAN (Dean)6,374 ft-3,842 ft
BASE DEAN (Dean)6,516 ft-3,984 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
5,754–5,973 ftPerforated
6,368–6,481 ftPerforated
6,628–6,833 ftPerforated
6,983–7,174 ftPerforated
7,265–7,582 ftPerforated
7,749–8,146 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"733 ft350 sx
4.5"8,483 ft1,100 sx

Permit History (1)

#667228 Drill Final Completion

ROCKER B · 8,800 ft

2008-08-07

Spud 2008-08-25

Applications (1)

#667228 A PIONEER NATURAL RES. USA, INC.
received 2008-07-22

Records & Logs

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

W-2/G-1 2023-11-13
W-2/G-1 2008-12-18 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
29X
Max Depth
8,800 ft
Drill Type
Vertical
County
IRION
District
7
Operator
PIONEER NATURAL RES. USA INC.
Completed
2023-10-12

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