42-235-34227

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

2008-04-07

Latest Activity

2008-04-07

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2012-07-25

Shut-In

Plugged

2014-11-07

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (5) Elevation 2,594 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)4,944 ft-2,350 ft
TOP LOWER SPRABERRY (Spraberry)5,506 ft-2,912 ft
TOP DEAN (Dean)6,306 ft-3,712 ft
BASE DEAN (Dean)6,444 ft-3,850 ft
TOP WOLFCAMP (Wolfcamp)6,444 ft-3,850 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 (9)

IntervalType
4,674–5,140 ftPerforated
4,974–5,140 ftPerforated
4,974–7,852 ftPerforated
5,702–2,905 ftPerforated
5,702–5,905 ftPerforated
6,300–6,413 ftPerforated
6,556–6,743 ftPerforated
6,909–7,467 ftPerforated
7,772–7,852 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"771 ft325 sx
4.5"8,100 ft1,000 sx

Permit History (1)

Applications (1)

#658059 A PIONEER NATURAL RES. USA, INC.
received 2008-03-25

Records & Logs

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

W-2/G-1 2012-08-23
W-2/G-1 2012-08-23
W-2/G-1 2008-12-22
W-2/G-1 2008-12-15 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
36
Max Depth
8,800 ft
Drill Type
Vertical
County
IRION
District
7
Completed
2012-07-25

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
15,400