US Patent 8347967 Subsea tree safety control system
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Patent abstract
An embodiment of a method for limiting the probability of failure on demand of a subsea test tree (“SSTT”) includes the steps of providing a safety shut-in system for actuating a safety valve of the SSTT, the safety shut-in system including a surface control station positioned above a water surface connected via an umbilical to a subsea control system positioned below the water surface to actuate the safety valve; and diagnostically testing the safety shut-in system without actuating the safety valve.
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US Patent 08347967 Subsea tree safety control system US Patent 8347967 Subsea tree safety control system
Infobox
Patent Number
0834796700
Patent Number
834796700
Edits on 22 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
083479670
Date of Patent
January 8, 2013
0Patent Application Number
124256940
Date Filed
April 17, 2009
0Patent Primary Examiner
Edits on 27 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
083479670
Date of Patent
January 8, 2013
0Patent Application Number
124256940
Date Filed
April 17, 2009
0Patent Primary Examiner
Edits on 15 Dec, 2021
Golden AI
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Infobox (+7 properties)
US Patent 08347967 Subsea tree safety control system
Infobox
Is a
Patent jurisdiction
Patent number
08347967
Date of patent
January 8, 2013
Patent application number
12425694
Date Filed
April 17, 2009
Patent primary examiner
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