Dual wiper plug system

US9200499B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9200499-B2
Application numberUS-201113047680-A
CountryUS
Kind codeB2
Filing dateMar 14, 2011
Priority dateMar 14, 2011
Publication dateDec 1, 2015
Grant dateDec 1, 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 dual wiper plug system having a first wiper including a first body having a first bore therethrough, and at least one wiper fin disposed around the body, a second wiper disposed axially above the first wiper, the second wiper including a second body having a second bore therethrough and a first shoulder formed on the inner surface of the second body, and at least one wiper fin disposed around the body, and a first collet ring coupled to the first wiper and including at least one collet finger extending axially upward, and a collet head disposed on an upper end of the collet finger and configured to engage the first shoulder of the second body.

First claim

Opening claim text (preview).

What is claimed: 1. A dual wiper plug system comprising: a first wiper comprising: a first body having a first bore therethrough; and at least one wiper fin disposed around the body; a second wiper disposed axially above the first wiper, the second wiper comprising: a second body having a second bore therethrough and a first shoulder formed on the inner surface of the second body; and at least one wiper fin disposed around the body; a first sleeve disposed in the fir…

Assignees

Inventors

Classifications

  • E21B33/165Primary

    Fixed Constructions · mapped topic

  • Fixed Constructions · mapped topic

  • Fixed Constructions · mapped topic

  • E21B33/12Primary

    Fixed Constructions · mapped topic

  • Fixed Constructions · mapped topic

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Frequently asked questions

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What does patent US9200499B2 cover?
A dual wiper plug system having a first wiper including a first body having a first bore therethrough, and at least one wiper fin disposed around the body, a second wiper disposed axially above the first wiper, the second wiper including a second body having a second bore therethrough and a first shoulder formed on the inner surface of the second body, and at least one wiper fin disposed around…
Who is the assignee on this patent?
Hall James, Monur Cem, Smith International
What technology area does this patent fall under?
Primary CPC classification E21B33/165. Mapped technology areas include Fixed Constructions.
When was this patent published?
Publication date Tue Dec 01 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).