US Patent 7954552 Overriding a primary control subsystem of a downhole tool
Patent 7954552 was granted and assigned to Schlumberger on June, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A system that is usable with a well may include a piston, a primary control subsystem and an override subsystem. The piston actuates the downhole tool, and the primary control subsystem may be connected to at least one hydraulic line in order to move the piston in response to pressure that is communicated to the tool via the hydraulic line(s). The override subsystem may be connected to the hydraulic line(s) to override the primary control subsystem and move the piston in response to pressure communicated to the tool via the hydraulic line(s).
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Patent Inventor Names
Ahmed Saleh0
Emmanuel Rioufol0
Jerome Prost0
Laure Mandrou0
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US Patent 07954552 Overriding a primary control subsystem of a downhole tool US Patent 7954552 Overriding a primary control subsystem of a downhole tool
Infobox
Patent Number
07954552
Patent Number
7954552
Edits on 7 Dec, 2021
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US Patent 07954552 Overriding a primary control subsystem of a downhole tool
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07954552
Date of patent
June 7, 2011
Patent application number
12120335
Date Filed
May 14, 2008
Patent primary examiner
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