42-383-36859

Final Completion

ROCKER B -C-

REAGAN County · District 7 · DISCOVERY NATURAL RESOURCES LLC · SPRABERRY (TREND AREA)

Permits

2

Max Depth

10,000 ft

First Permit

2010-06-25

Latest Activity

2010-06-25

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2010-12-07

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: DISCOVERY NATURAL RESOURCES LLC ≠ Permit: PIONEER NATURAL RES. USA, INC.

Resolved via: productionDISCOVERY NATURAL RESOURCES LLC

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 (4) Elevation 2,390 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)5,044 ft-2,654 ft
TOP LOWER SPRABERRY (Spraberry)5,614 ft-3,224 ft
TOP DEAN (Dean)6,506 ft-4,116 ft
TOP WOLFCAMP (Wolfcamp)9,286 ft-6,896 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 (3)

IntervalType
5,073–5,919 ftPerforated
6,501–6,717 ftPerforated
6,852–8,966 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"641 ft400 sx
4.5"9,300 ft1,300 sx

Permit History (2)

Applications (2)

#697950 A PIONEER NATURAL RES. USA, INC.
received 2010-07-29
#697950 A PIONEER NATURAL RES. USA, INC.
received 2010-06-22

Records & Logs

2 completion filings on record · 2 with log images at RRC.

W-2/G-1 2011-01-31 log on file
W-2/G-1 2011-01-31 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
21
Max Depth
10,000 ft
Drill Type
Vertical
County
REAGAN
District
7
Completed
2010-12-07

Operator

Location
DENVER
P-5 Status
Active (filed 2026-01-12)
Cum Oil (all leases)
51,732,063 bbl
Cum Gas (all leases)
23,685,198 mcf
Activities
G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
430