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US 11,591,880 B2Granted
Methods for deployment of expandable packers through slim production tubing
AssigneeSaudi Arabian Oil Company
InventorsMohamed Nabil Noui-Mehidi, Jinjiang Xiao, Wael O. Badeghaish
Life of this patent
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Abstract
A method includes wrapping a packer bag around a deployment tool, providing at least one canister in fluid communication with the packer bag, sending the packer bag around the downhole tool to a downhole location in a well, and injecting a polymer filler material from the at least one canister into the packer bag until the packer bag expands to seal the downhole location.
Claims9
A downhole tool assembly, comprising:
- a deployment tool;
- a packer bag wrapped around an outer surface of the deployment tool, the packer bag comprising:
- a flexible composite wall;
- a single skeleton wire attached to a portion of the flexible composite wall proximate the outer surface of the deployment tool and securing a remaining portion of the packer bag around the deployment tubing;
- and
- wherein the flexible composite wall forms a fully enclosed bag having at least one fluid opening;
- and
- at least one canister containing at least one polymer filler starting composition, the at least one canister being fluidly connected to the at least one fluid opening.
5 more elements
A downhole tool assembly, comprising:
- a deployment tool;
- a packer bag wrapped around an outer surface of the deployment tool, the packer bag comprising:
- a flexible composite wall;
- a skeleton wire attached to the flexible composite wall and securing the packer bag around the deployment tubing;
- and
- wherein the flexible composite wall forms a fully enclosed bag having at least one fluid opening;
- and
- at least one canister containing at least one polymer filler starting composition, the at least one canister being fluidly connected to the at least one fluid opening,
- wherein the at least one canister contains polyurethane foam.
6 more elements
Dependencies are inferred from the claim text.