The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 01, 1998
Filed:
Nov. 01, 1996
Applicant:
Inventors:
Donald A Smith, Okotoks, CA;
Douglas Costall, Okotoks, CA;
Assignee:
Canadian Fracmaster Ltd., , CA;
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
175162 ; 166 772 ;
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.