Method and apparatus for drilling and servicing subterranean...

Details Method and apparatus for drilling and servicing subterranean... Method and apparatus for drilling and servicing subterranean...

2005-07-01

2008-12-30

Bagnell, David J (Department: 3676)

Boring or penetrating the earth

With tool drive prime mover or above-ground mechanical...

With endless flexible conveyer

C175S113000, C166S384000

Reexamination Certificate

active

07469755

ABSTRACT:
A system is provided for drilling and/or servicing a well bore using continuous lengths of coiled tubing in which a turntable assembly rotates a coiled tubing reel assembly and a counter balance system about the well bore such that the coiled tubing is rotated while in the well bore. A coiled tubing injector may be provided on a separate turntable assembly or on the same turntable assembly as the reel assembly.

REFERENCES:
patent: 5660235 (1997-08-01), Sola
patent: 5848642 (1998-12-01), Sola
patent: 6092756 (2000-07-01), Sola
patent: 6315052 (2001-11-01), Sola
patent: 6516892 (2003-02-01), Reilly
patent: 6868902 (2005-03-01), Roodenburg et al.
patent: 2002/0125014 (2002-09-01), Dearing et al.
patent: 2002/0195255 (2002-12-01), Reilly
Leading Edge Advantge International Ltd, Introduction to Coiled Tubing Drilling, 2002, 42 pages, Bucksburn, Aberdeen.
Leading Edge Advantge International Ltd, Introduction to Underbalanced Drilling, 2002, 51 pages, Bucksburn, Aberdeen.

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