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:
Apr. 24, 2007
Filed:
Mar. 08, 2004
Applicants:
Robert Joseph Foster, Calgary, CA;
Douglas Costall, Okotoks, CA;
Inventors:
Robert Joseph Foster, Calgary, CA;
Douglas Costall, Okotoks, CA;
Assignee:
Leader Energy Services Corp., , CA;
Primary Examiner:
Int. Cl.
CPC ...
E21B 21/16 (2006.01); E21B 37/00 (2006.01); E21B 36/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Method and apparatus for servicing of a bore hole in the earth, comprising a first sub-assembly adapted for the insertion and removal of a continuous length of coiled tubing into and from the bore hole, a second sub-assembly adapted for the vaporization of liquified gas and the pumping of the resulting gas through the coiled tubing into the bore hole and a platform to support both the first and second sub-assemblies thereon.