Horizontal offline stand building system

Details Horizontal offline stand building system Horizontal offline stand building system

2011-08-09

2011-08-09

Wright, Giovanna C (Department: 3672)

Wells

Processes

Assembling well part

C166S077510, C166S379000, C175S052000, C175S085000, C414S022540, C414S022580

Reexamination Certificate

active

07992646

ABSTRACT:
A horizontal offline stand building system includes a substantially horizontal, elongate catwalk having a frame and a stand lifting arm. The catwalk has a top surface adapted to receive at least two tubulars aligned coaxially along a linear path in a make-up channel on said top surface. The tubulars are threaded together to form preferably at least a triple pipe stand in the make-up channel. The completed stand is then transferred laterally to a delivery channel containing the stand lifting arm. The stand lifting arm is selectively actuable lifting arm for selectively elevating a rig end of a pipe stand from said top surface of the catwalk to the deck of a drilling rig, and then for supporting the mid and rear sections as the stand is hoisted from the delivery channel up the derrick of the drilling rig.

REFERENCES:
patent: 2006/0285941 (2006-12-01), Fikowski et al.
patent: 2007/0221385 (2007-09-01), Braun et al.
U.S. Appl. No. 11/689,279, filed Sep. 27, 2007, Braun et al.

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