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:
Aug. 21, 2018
Filed:
Jan. 30, 2015
Weatherford Technology Holdings, Llc, Houston, TX (US);
Daniel George Purkis, Aberdeen, GB;
Oliver Webster, Aberdeenshire, GB;
Damien Gerard Patton, Aberdeenshire, GB;
Matthew Manning, Aberdeen, GB;
Steve Corbett, Aberdeen, GB;
Ian Duncan, Aberdeen, GB;
Santiago Galvez Porta, Peterhead, GB;
Weatherford Technology Holdings, LLC, Houston, TX (US);
Abstract
A downhole actuator () comprises a tubular housing () which includes an indexing profile () on an inner surface thereof, and an indexing sleeve () mounted within the housing (). The indexing sleeve () comprises an engaging arrangement including first and second axially spaced engagement members () which cooperate with the indexing profile () of the housing () to be sequentially engaged by an actuation object () passing through a central bore () of the indexing sleeve () to drive the indexing sleeve () one discrete step of movement through the housing () towards an actuation site.