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42-417-36648

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NAIL B-7A

SHACKELFORD County · District 7 · M & K OPERATING LLC · CRONK (TANNEHILL)

Permits

1

Max Depth

1,000 ft

First Permit

1985-11-08

Latest Activity

1985-11-08

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1985-11-19

Shut-In

—

Plugged

—

P-5 Org Status: Delinquent

!

EWA / Production operator mismatch

Scheduling: M & K OPERATING LLC ≠ Production: FTC CONSULTING, LLC (reported 2018-06)

!

EWA / Permit operator mismatch

Scheduling: M & K OPERATING LLC ≠ Permit: RAMPART PETROLEUM, INCORPORATED

Resolved via: scheduling → M & K OPERATING LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

FRONTIER OPERATING CORPORATION 1993-2001→ B P OPERATING COMPANY 2001-2002→ BOO-ROW PIPE & SUPPLY, INC. 2003-2006→ CLAVO OIL, LLC 2006-2009→ FTC CONSULTING, LLC 2017-2018

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 (1) Elevation 1,510 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
L. TANNEHILL836 ft+674 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
837–840 ftPerforated

Casing (1)

SizeSet DepthCement
4.5"914 ft175 sx

Permit History (1)

#289531 Drill Final Completion

NAIL B-7A · 1,000 ft

1985-11-08

Applications (1)

#289531 A RAMPART PETROLEUM, INCORPORATED
received 1985-10-29

Records & Logs

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

W-2/G-1 1985-12-02 log on file
W-2/G-1 1986-01-09
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images 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 SHACKELFORD County.

Well Details

Well Number
2
Max Depth
1,000 ft
Drill Type
Vertical
County
SHACKELFORD
District
7
Operator
M & K OPERATING LLC
Completed
1985-11-19

Operator

Location
ALBANY
P-5 Status
Delinquent (filed 2024-02-28)
Cum Oil (all leases)
179,444 bbl
Cum Gas (all leases)
135,355 mcf
Activities
OPRS/G, OPRS/O
Total Permits
11