US Patent 7617876 Formation isolation valve and method of use
Patent 7617876 was granted and assigned to Schlumberger on November, 2009 by the United States Patent and Trademark Office.
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Patent abstract
The present invention provides for high volume flow from a well. A retrievable formation isolation valve allows high volume flow through the remaining casing or tubing. Alternatively, a large bore valve configuration that is not retrieved, but remains as part of the casing, can be used. The present invention also includes methods to allow for high volume flow using retrievable isolation valves or large bore valves.
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US Patent 07617876 Formation isolation valve and method of use US Patent 7617876 Formation isolation valve and method of use
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Patent Number
0761787600
Patent Number
761787600
Edits on 2 Apr, 2023
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
076178760
Date of Patent
November 17, 2009
0Patent Application Number
120334160
Date Filed
February 19, 2008
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076178760
Date of Patent
November 17, 2009
0Patent Application Number
120334160
Date Filed
February 19, 2008
0Official Website
Patent Primary Examiner
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US Patent 07617876 Formation isolation valve and method of use
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07617876
Date of patent
November 17, 2009
Patent application number
12033416
Date Filed
February 19, 2008
Patent primary examiner
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