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US 5,842,530 AGranted
Hybrid coiled tubing/conventional drilling unit
AssigneeCanadian Fracmaster Ltd.
InventorsDonald A. Smith, Douglas Costall
Life of this patent
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Abstract
There is described an apparatus for the drilling and servicing of bore holes in the earth, comprising a first sub-assembly adapted for the drilling and servicing of bore holes using jointed and coiled tubing, a second sub-assembly adapted for the drilling and servicing of bore holes using a continuous length of coiled tubing, and a platform adapted to support the first and second sub-assemblies thereon.
Claims12
Apparatus for the drilling and servicing of bore holes in the earth, comprising:
- a first sub-assembly adapted for the drilling and servicing of bore holes using jointed pipe and tubing;
- a second sub-assembly adapted for the drilling and servicing of bore holes using a continuous length of coiled tubing;
- and
- platform means adapted to support said first and second sub-assemblies thereon.
1 more element
Dependencies are inferred from the claim text.