← Wells

42-383-33033

Final Completion

ROCKER B -E-

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

Permits

1

Max Depth

7,300 ft

First Permit

1984-04-30

Latest Activity

1984-04-30

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-08-13

Shut-In

—

Plugged

—

!

EWA / Permit operator mismatch

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

Resolved via: production → DISCOVERY NATURAL RESOURCES LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

GRAHAM ROYALTY, LTD. 1993-1993→ COX, JOHN L. 1993-2003→ JM COX RESOURCES, L.P. 2003-2018→ DISCOVERY NATURAL RESOURCES LLC 2018-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Oil
production & DCA →
Oil
production & DCA →

Formation Tops (4) Elevation 2,596 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CRETACEOUS500 ft+2,096 ft
UPPER SPRABERRY (Spraberry)5,500 ft-2,904 ft
LOWER SPRABERRY (Spraberry)6,090 ft-3,494 ft
DEAN 6,930 ft-4,334 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
5,504–5,518 ftPerforated
6,096–6,495 ftPerforated
6,930–7,106 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"565 ft450 sx
4.5"7,200 ft1,000 sx

Permit History (1)

#237117 Drill Final Completion

ROCKER B "E" · 7,300 ft

1984-04-30

Applications (1)

#237117 A COX, JOHN L.
received 1984-04-26

Records & Logs

3 completion filings on record.

W-2/G-1 2023-05-02
W-2/G-1 1984-08-20
W-2/G-1 1984-08-20
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
11
Max Depth
7,300 ft
Drill Type
Vertical
County
REAGAN
District
7
Operator
DISCOVERY NATURAL RESOURCES LLC
Completed
1984-08-13

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