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:
Sep. 15, 2020

Filed:

Jan. 20, 2017
Applicant:

Expro North Sea Limited, Dyce, Aberdeenshire, GB;

Inventors:

Kerry G. Daly, Conroe, TX (US);

Ronald S. Fordyce, Aberdeen, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/117 (2006.01); E21B 29/02 (2006.01); E21B 43/116 (2006.01); E21B 43/1185 (2006.01); F42B 1/028 (2006.01);
U.S. Cl.
CPC ...
E21B 43/117 (2013.01); E21B 43/1185 (2013.01); F42B 1/028 (2013.01);
Abstract

A perforating gun, perforating gun system, and method for producing the same is provided. The perforating gun includes a body and at least one cavity liner. The body has an axial length extending between a first axial end and a second axial end, and an outer radial surface extending between the first and second axial ends, an inner bore, and at least one shaped charge cavity disposed in the outer radial surface. The at least one shaped charge cavity is in fluid communication with the inner bore. The at least one cavity liner is disposed in the shaped charge cavity and is configured to retain an explosive material within the shaped charge cavity.


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