Baker Hughes Oilfield Operations LLC

Amrit Balgobin

Jason M Harper

Jose Pedreira

A downhole assembly includes a support structure; a shape-memory article disposed at the support structure; and a deployment control element adjacent the shape-memory article, the deployment control element having a permeable or degradable wall defining a chamber and an activation material disposed in the chamber. A method includes introducing the downhole assembly into a wellbore, wherein the downhole assembly is disposed when the shape-memory article is in a compacted shape; exposing the downhole assembly to a wellbore fluid; releasing the activation material from the deployment control element; and contacting the shape-memory article in the compacted shape with the released activation material to cause the shape-memory article to expand, and conform to a surface of the wellbore.

Controlled deployment of shape-memory articles

A downhole assembly includes: a shape-memory article; and a deployment control element adjacent the shape-memory article, the deployment control element having a body and a seal element that forms an enclosure together with the body, the deployment control element further including an activation fluid disposed in the enclosure, wherein the body, the seal element, or both of the deployment control element is degradable in the presence of the activation fluid.

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Houston, TX, United States of America

Amrit Balgobin