← Wells

42-235-35690

PRODUCING Horizontal

ROCKER B

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

Permits

1

Max Depth

7,115 ft

First Permit

2014-02-26

Latest Activity

2014-02-26

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2014-08-09

Shut-In

—

Plugged

—

P-5 Org Status: Active

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 (7) Elevation 2,498 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
GRAYBURG 2,189 ft+309 ft
SAN ANDRES 2,221 ft+277 ft
CLEARFORK (Clear Fork)3,498 ft-1,000 ft
SPRABERRY 4,870 ft-2,372 ft
WOLFCAMP 6,399 ft-3,901 ft
CANYON ——
FUSSELMAN ——

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 (1)

IntervalType
7,137–16,745 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"755 ft905 sx
9.625"6,132 ft1,016 sx
5.5"16,862 ft2,181 sx

Permit History (1)

#778633 Drill Final Completion

ROCKER B · 7,115 ft

2014-02-26

Spud 2014-04-17

Applications (1)

#778633 A PIONEER NATURAL RES. USA, INC.
received 2014-01-31

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2014-10-17 log on file
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
71H
Max Depth
7,115 ft
Drill Type
Horizontal
County
IRION
District
7
Operator
PIONEER NATURAL RES. USA INC.
Completed
2014-08-09

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
15,399