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:
May. 27, 2025
Filed:
Jun. 09, 2023
Applicant:
Downhole Products Limited, Aberdeen, GB;
Inventors:
Douglas Farley, Missouri City, TX (US);
Alexander Craig Mackay, Aberdeen, GB;
Carl Aron Deen, Choctaw, OK (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/14 (2006.01); E21B 10/43 (2006.01); E21B 10/55 (2006.01);
U.S. Cl.
CPC ...
E21B 17/14 (2013.01); E21B 10/43 (2013.01); E21B 10/55 (2013.01);
Abstract
A rasping shoe for non-rotational deployment of a casing string into a wellbore includes: a tubular body; and a nose mounted to an end of the tubular body. The nose includes: a base portion made from a drillable metal or alloy; a plurality of blades protruding from an outer surface of the base portion; a plurality of broaching cutters mounted to an outer surface of each blade at a rearward portion thereof; and a plurality of gouging cutters mounted to the outer surface of each blade at a forward portion thereof.