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. 13, 2025
Filed:
May. 18, 2017
Spex Corporate Holdings Ltd., Aberdeen, GB;
Sidney Dantuma Johnston, Aberdeen, GB;
SPEX CORPORATE HOLDINGS LTD., Aberdeen, GB;
Abstract
A tool for manipulating a tubular in a downhole environment is described. The tool comprises a housing defining a chamber, the chamber having at least one outlet, a propellant source located within the chamber an ignition mechanism for igniting the propellant source; and a control mechanism. Upon ignition of the propellant source, the propellant source is operable to deflagrate, creating at least one stream of combustion products, the chamber directing the/each stream of combustion products through the/each outlet, towards the tubular to be manipulated, at least one parameter of the/each stream of combustion products being changeable by the control mechanism.