1
Alagarsamy Sundararajan: Method and apparatus for replacing BOP with gate valve. Worldwide Oilfield Machine, Kenneth L Nash, August 5, 2003: US06601650 (82 worldwide citation)


The present invention discloses apparatus and methods for replacing a BOP with a gate valve to thereby save space, initial costs, and maintenance costs that is especially beneficial for use in offshore subsea riser packages. The method provides a gate valve capable of reliably cutting tubing utilizi ...


2
Sundararajan Alagarsamy: Method and apparatus for replacing bop with gate valve. Worldwide Oilfield Machine, September 15, 2004: EP1456501-A2 (1 worldwide citation)


The present invention discloses apparatus and methods for replacing a BOP with a gate valve (10) to thereby save space, initial costs, and maintenance costs that 5 is especially beneficial for use in offshore subsea riser packages. The method provides a gate valve (100) capable of reliably cutting t ...


3
Sundararajan Alagarsamy: (bop) Par un robinet-vanne, Method and apparatus for replacing bop with gate valve. Worldwide Oilfield Machine, Worldwide Oilfield Machine, KIRBY EADES GALE BAKER, February 20, 2003: CA2450815


The present invention discloses apparatus and methods for replacing a BOP with a gate valve (10) to thereby save space, initial costs, and maintenance costs that 5 is especially beneficial for use in offshore subsea riser packages. The method provides a gate valve (100) capable of reliably cutting t ...


4
Alagarsamy Sundararajan: Method and apparatus for replacing BOP with gate valve. Kenneth L Nash, February 13, 2003: US20030029619-A1


The present invention discloses apparatus and methods for replacing a BOP with a gate valve to thereby save space, initial costs, and maintenance costs that is especially beneficial for use in offshore subsea riser packages. The method provides a gate valve capable of reliably cutting tubing utilizi ...


5
Sundararajan Alagarsamy: Method and apparatus for replacing bop with gate valve. Worldwide Oilfield Machine, NASH Kenneth L, February 20, 2003: WO/2003/014604


The present invention discloses apparatus and methods for replacing a BOP with a gate valve (10) to thereby save space, initial costs, and maintenance costs that 5 is especially beneficial for use in offshore subsea riser packages. The method provides a gate valve (100) capable of reliably cutting t ...


6
Sundararajan Alagarsamy: Method and apparatus for replacing bop with gate valve. Worldwide Oilfield Machine, zhang jinxi, July 13, 2005: CN02815273


The present invention discloses apparatus and methods for replacing a BOP with a gate valve to thereby save space, initial costs, and maintenance costs that is especially beneficial for use in offshore subsea riser packages. The method provides a gate valve capable of reliably cutting tubing utilizi ...



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