US Patent 7314085 Well operations system
Patent 7314085 was granted and assigned to Cameron International on January, 2008 by the United States Patent and Trademark Office.
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Patent Inventor Names
Hans Paul Hopper0
Thomas G. Cassity0
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Patent abstract
A wellhead has, instead of a conventional Christmas tree, a spool tree (34) in which a tubing hanger (54) is landed at a predetermined angular orientation. As the tubing string can be pulled without disturbing the tree, many advantages follow, including access to the production casing hanger (21) for monitoring production casing annulus pressure, and the introduction of larger tools into the well hole without breaching the integrity of the well.
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US Patent 07314085 Well operations system US Patent 7314085 Well operations system
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Patent Number
073140850
Patent Number
73140850
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Current Assignee
Patent Jurisdiction
Patent Number
073140850
Date of Patent
January 1, 2008
0Patent Application Number
110775870
Date Filed
March 10, 2005
0Official Website
Patent Primary Examiner
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US Patent 07314085 Well operations system
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07314085
Date of patent
January 1, 2008
Patent application number
11077587
Date Filed
March 10, 2005
Patent primary examiner
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