Wellbore perforation tool

US8967256B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8967256-B2
Application numberUS-201213714201-A
CountryUS
Kind codeB2
Filing dateDec 13, 2012
Priority dateJan 19, 2010
Publication dateMar 3, 2015
Grant dateMar 3, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A perforation tool comprises an explosive charge comprising an explosive focal axis, a tool body containing the explosive charge, and a flowable material carried with the tool and disposed along the explosive focal axis. The flowable material is configured to be released by detonation of the explosive charge and flow to create at least a partial barrier to flow through the aperture in response to the perforation of the tool body by the explosive charge to form an aperture in the tool body.

First claim

Opening claim text (preview).

What is claimed is: 1. A method of perforating a wellbore, comprising: perforating the wellbore with a perforation tool, wherein the perforation tool comprises: an explosive charge comprising an explosive focal axis; a tool body containing the explosive charge; and a flowable material carried with the tool body and disposed along the explosive focal axis, wherein perforating the wellbore creates an aperture in the perforation tool; piercing the flowable material during…

Assignees

Inventors

Classifications

  • E21B43/117Primary

    Fixed Constructions · mapped topic

  • E21B43/11Primary

    Fixed Constructions · mapped topic

  • Fixed Constructions · mapped topic

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What does patent US8967256B2 cover?
A perforation tool comprises an explosive charge comprising an explosive focal axis, a tool body containing the explosive charge, and a flowable material carried with the tool and disposed along the explosive focal axis. The flowable material is configured to be released by detonation of the explosive charge and flow to create at least a partial barrier to flow through the aperture in response …
Who is the assignee on this patent?
Halliburton Energy Serv Inc
What technology area does this patent fall under?
Primary CPC classification E21B43/117. Mapped technology areas include Fixed Constructions.
When was this patent published?
Publication date Tue Mar 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).