US Patent 7861775 Casing patch
Patent 7861775 was granted and assigned to Baker Hughes on January, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A casing patch includes a deformable seal configurable to a deformed and undeformed position for sealing and unsealing respectively with a target stub and a pressure based subsystem in operable communication with the deformable seal. The patch may also contain a stop ring to prevent overcompression of the seal.
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Patent Inventor Names
Gerald D. Lynde0
Larry Thomas Palmer0
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US Patent 07861775 Casing patch US Patent 7861775 Casing patch
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Patent Number
078617750
Patent Number
78617750
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Official Website
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
078617750
Date of Patent
January 4, 2011
0Patent Application Number
117139760
Date Filed
March 5, 2007
0Official Website
Patent Primary Examiner
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US Patent 07861775 Casing patch
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07861775
Date of patent
January 4, 2011
Patent application number
11713976
Date Filed
March 5, 2007
Patent primary examiner
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