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:
Nov. 06, 2018
Filed:
May. 20, 2015
Applicant:
Proserv Uk Limited, Westhill, GB;
Inventors:
Adam James O'Leary, Aberdeen, GB;
Mark Douglas Stephen, Aberdeen, GB;
Richard James Taylor, Kendal, GB;
Ross Richardson, Auchterarder, GB;
Assignee:
PROSERV UK LIMITED, Aberdeenshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 29/00 (2006.01); E21B 23/01 (2006.01); E21B 43/114 (2006.01);
U.S. Cl.
CPC ...
E21B 43/114 (2013.01); E21B 23/01 (2013.01); E21B 29/002 (2013.01);
Abstract
A cutting tool adapted to be deployed into a well casing for cutting through casing strings comprises a nozzle for directing a jet of an abrasive slurry at the wall of a well casing to sever the well casing and a mechanical locking arranged provided above the nozzle, said locking arrangement comprises radially expandable means selectively engageable with an inner wall of the well casing within which the tool is deployed, to prevent axial and/or rotational movement of the tool in the well during cutting operations.