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42-383-38423

PRODUCING Horizontal

ROCKER B

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

Permits

1

Max Depth

7,800 ft

First Permit

2013-08-21

Latest Activity

2013-08-21

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2014-02-27

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 (6) Elevation 2,579 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
GRAYBURG 1,896 ft+683 ft
SAN ANDRES 2,380 ft+199 ft
CLEARFORK (Clear Fork)3,698 ft-1,119 ft
SPRABERRY 5,086 ft-2,507 ft
DEAN 6,444 ft-3,865 ft
WOLFCAMP 6,614 ft-4,035 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 (1)

IntervalType
7,654–14,796 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"752 ft656 sx
9.625"6,151 ft1,029 sx
5.5"14,907 ft1,569 sx

Permit History (1)

#768489 Drill Final Completion

ROCKER B · 7,800 ft

2013-08-21

Spud 2013-10-30

Applications (1)

#768489 A PIONEER NATURAL RES. USA, INC.
received 2013-08-19

Records & Logs

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

W-2/G-1 2014-04-07 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 REAGAN County.

Well Details

Well Number
40H
Max Depth
7,800 ft
Drill Type
Horizontal
County
REAGAN
District
7
Operator
PIONEER NATURAL RES. USA INC.
Completed
2014-02-27

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