Wells – Processes – Assembling well part
Reexamination Certificate
2005-12-20
2005-12-20
Gay, Jennifer H (Department: 3672)
Wells
Processes
Assembling well part
C166S077530, C166S085500, C175S052000, C175S085000, C414S022540, C414S022710, C024S090100, C024S092000, C024S104000
Reexamination Certificate
active
06976540
ABSTRACT:
A method and apparatus for moving pipe on a rig floor between a number of different stations are provided. Generally the apparatus includes pipehandling equipment arranged to interact with an off-floor rack, a preparation opening, a borehole, and a storage area, such that tubulars can be loaded onto the drill floor, prepared at the preparation opening, loaded onto or off of the storage rack, and connected to a drill string while drilling is simultaneously conducted at borehole. In one embodiment, the system includes at least two pipehandling devices for communicating pipe between a storage area off the drill floor, a storage area on the drill floor, at least one preparation opening, and a drill opening.
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International Search Report for International Application no. PCT/US03/39569; 5pp.
Christie Parker & Hale LLP
Gay Jennifer H
Varco I/P Inc.
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