← Wells

42-235-35725

Final Completion

ROCKER B

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

Permits

1

Max Depth

3,900 ft

First Permit

2014-03-10

Latest Activity

2014-03-10

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2019-10-04

Shut-In

—

Plugged

2023-06-22

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1997-04

Last Production

2026-07

Injection / Disposal

W-14 Disposal Plugged 2023-07-06 UIC #000109764 permitted 2015-12-21

Permitted Volume

18,000 bbl/d

Max Pressure

1,000 psi

Injection Interval

2,000–3,200 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2022-11-01)

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 2,455 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
GRAYBURG 2,198 ft+257 ft
SAN ANDRES 2,239 ft+216 ft
CLEARFORK (Clear Fork)3,450 ft-995 ft
CANYON ——
FUSSELMAN ——
SPRABERRY ——
WOLFCAMP ——

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 (2)

IntervalType
2,045–3,140 ftPerforated
2,110–3,105 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"755 ft980 sx
7"3,690 ft750 sx

Permit History (1)

#779766 Drill Final Completion

ROCKER 'B' · 3,900 ft

2014-03-10

Spud 2014-05-18

Applications (1)

#779766 A PIONEER NATURAL RES. USA, INC.
received 2014-02-13

Records & Logs

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

W-2/G-1 2020-02-13
W-2/G-1 2015-12-03
W-2/G-1 2014-08-20 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
185D
Max Depth
3,900 ft
Drill Type
Vertical
County
IRION
District
7
Operator
PIONEER NATURAL RES. USA INC.
Completed
2019-10-04

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