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.

Date of Patent:
Jan. 07, 2025

Filed:

Nov. 13, 2020
Applicant:

Spex Group Holdings Limited, Aberdeen, GB;

Inventors:

Martin Derrick Innes, Aberdeen, GB;

Simon McKay, Banchory, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 29/02 (2006.01); E21B 43/116 (2006.01); E21B 43/263 (2006.01);
U.S. Cl.
CPC ...
E21B 29/02 (2013.01); E21B 43/116 (2013.01); E21B 43/263 (2013.01);
Abstract

A downhole tool () for manipulating a target, includes a housing (). The housing includes an inner surface () configured for mounting to a tubular carrier; and an outer surface (). At least one chamber () is provided between the inner surface () and the outer surface () and contains at least one propellant source () and an ignition system. One or more outlets () lead from the chamber () to the outer surface (), for combustion products from the at least one propellant source. The downhole tool may be employed for perforating and may be included in a hydraulic fracturing assembly. A method of hydraulic fracturing in a wellbore using the tool is provided.


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