Perforation gun string energy propagation management with tuned mass damper

US8978749B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8978749-B2
Application numberUS-201214003234-A
CountryUS
Kind codeB2
Filing dateSep 19, 2012
Priority dateSep 19, 2012
Publication dateMar 17, 2015
Grant dateMar 17, 2015

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Abstract

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A perforation tool assembly comprises a perforation gun, and a mass energy absorber coupled to the perforation gun. The mass energy absorber is configured to alter the propagation of mechanical energy released by firing one or more perforation guns. The mass energy absorber comprises a mass and at least one absorber, and the at least one absorber is disposed between the mass and the perforating gun.

First claim

Opening claim text (preview).

What is claimed is: 1. A perforation tool assembly, comprising a perforation gun; and a mass energy absorber coupled to the perforation gun and configured to alter the propagation of mechanical energy released by firing one or more perforation guns, wherein the mass energy absorber comprises: a tool body, wherein the tool body is coupled to the perforation gun, wherein the tool body comprises a first end and a second end, and wherein a distance between the first end and the se…

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What does patent US8978749B2 cover?
A perforation tool assembly comprises a perforation gun, and a mass energy absorber coupled to the perforation gun. The mass energy absorber is configured to alter the propagation of mechanical energy released by firing one or more perforation guns. The mass energy absorber comprises a mass and at least one absorber, and the at least one absorber is disposed between the mass and the perforating…
Who is the assignee on this patent?
Halliburton Energy Serv Inc
What technology area does this patent fall under?
Primary CPC classification E21B43/116. Mapped technology areas include Fixed Constructions.
When was this patent published?
Publication date Tue Mar 17 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).