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:
Feb. 26, 2019
Filed:
Apr. 10, 2015
Loxley Holding As, Rennesøy, NO;
John Robert Loxley Wood, Rennesøy, NO;
Loxley Holding AS, Rennesøy, NO;
Abstract
The invention relates to a cable-operated hammering tool () for downhole operations, comprising an extended cylinder () with an axially through-going internal opening in the cylinder (), a hammering part () is arranged in a lower section of the cylinder () and is fitted with a detachable coupling for the connection with downhole equipment, a release strut () is arranged in the upper section of the cylinder () that is connected to a cable which is connected to a surface installation, the hammering part is detachably fastened to the cylinder () with the help of, at least, one locking body (). The release strut () is functionally connected to a force spring () for prestressing of this by moving in a first direction, and also functionally coupled to the, at least, one locking body () to be released from this by moving in an opposite direction.