42-383-33635

Final Completion

ROCKER B -C-

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

Permits

1

Max Depth

7,300 ft

First Permit

1985-11-19

Latest Activity

1985-11-19

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1986-03-23

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: DISCOVERY NATURAL RESOURCES LLC ≠ Permit: COX, JOHN L.

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 2,557 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CRETACEOUS500 ft+2,057 ft
UPPER SPRABERRY (Spraberry)5,448 ft-2,891 ft
LOWER SPRABERRY (Spraberry)6,052 ft-3,495 ft
DEAN 6,850 ft-4,293 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
5,452–5,468 ftPerforated
6,058–6,438 ftPerforated
6,855–7,065 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"535 ft500 sx
4.5"7,100 ft1,000 sx

Permit History (1)

Applications (1)

#290437 A COX, JOHN L.
received 1985-11-14

Records & Logs

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

W-2/G-1 2022-04-28
W-2/G-1 1986-03-26 log on file
W-2/G-1 1986-03-26 log on file
W-2/G-1 1986-04-08
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
12
Max Depth
7,300 ft
Drill Type
Vertical
County
REAGAN
District
7
Completed
1986-03-23

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