System for handling pipes between a pipe rack and a derrick,...

Details System for handling pipes between a pipe rack and a derrick,... System for handling pipes between a pipe rack and a derrick,...

2005-12-01

2011-11-08

Adams, Gregory (Department: 3652)

Material or article handling

Well pipe or rod racking mechanism

Vertical rack

Reexamination Certificate

active

08052370

ABSTRACT:
A system for handling pipes between a pipe rack (16) and a derrick (1), which derrick (1) is located on a drilling deck (2), in connection with the production of petroleum products. The system comprises means (17, 9, 25) of carrying pipe lengths (29) between the rack (16) and the derrick (1). It also comprises a unit (25) at the drilling deck (2) for temporary storage of at least two pipe lengths (29) in respective receiving chambers (26, 28). The receiving chambers (26, 28) can be moved to and from at least one receiving and/or hand-over position, in which position a pipe handling unit is arranged to hand over a pipe length to a receiving chamber (26-28) and/or retrieve a pipe length from a receiving chamber (26-28). Preferably the unit (25) is rotatable and located under an opening (28) in the drilling deck (2).

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patent: 6513605 (2003-02-01), Lödden
patent: 2264734 (1993-09-01), None
patent: WO-02/057593 (2002-07-01), None

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