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, 2018
Filed:
Dec. 07, 2012
Applicant:
Evolution Engineering Inc., Calgary, CA;
Inventors:
Jili (Jerry) Liu, Calgary, CA;
Patrick R. Derkacz, Calgary, CA;
Aaron W. Logan, Calgary, CA;
Justin C. Logan, Calgary, CA;
David A. Switzer, Calgary, CA;
Assignee:
Evolution Engineering Inc., Calgary, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 23/08 (2006.01); E21B 47/01 (2012.01); E21B 17/16 (2006.01); E21B 17/10 (2006.01);
U.S. Cl.
CPC ...
E21B 47/01 (2013.01); E21B 17/1007 (2013.01); E21B 17/1078 (2013.01); E21B 17/16 (2013.01); E21B 47/011 (2013.01);
Abstract
A method for using a downhole probe. The method comprises providing a probe, at least one vertical cross section of the probe having an area of at least pi inches squared. The method further comprises inserting the probe into a bore of a drill collar and passing a drilling fluid through the bore of drill collar at a flow velocity of less than 41 feet per second.