US2012067596A1PendingUtilityA1
Retrievable bridge plug
Individually held — no corporate assignee on recordPriority: Jul 14, 2003Filed: Aug 22, 2011Published: Mar 22, 2012
Est. expiryJul 14, 2023(expired)· nominal 20-yr term from priority
E21B 33/134E21B 33/1204
45
PatentIndex Score
0
Cited by
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Claims
Abstract
A method and apparatus for a bridge plug for isolating portions of a downhole casing is provided comprising a retrievable upper mandrel assembly and a lower mandrel assembly coupled to the upper mandrel assembly, wherein the lower mandrel assembly comprises a drillable material.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1 . A method for removing a bridge plug from a wellbore comprising retrieving a first portion of the bridge plug and milling a second portion of the bridge plug.Join the waitlist — get patent alerts
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