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US 2025/0020040 A1Published application
Controlled deployment of shape-memory articles
AssigneeBaker Hughes Oilfield Operations LLC
InventorsAmrit Balgobin, Jason Harper
Life of this patent
Estimating the term…
Abstract
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.
Claims20
A downhole assembly comprising:
- a shape-memory article;
- and
- a deployment control element adjacent the shape-memory article, the deployment control element comprising a body and a seal element that forms an enclosure together with the body, the deployment control element further comprising an activation fluid disposed in the enclosure, the activation fluid comprising an activator, and the activator comprising at least one of dimethyl sulfoxide, a ketone, an alcohol, a phenol, an ether, an ester, or an acid, wherein the body, the seal element, or both of the deployment control element is degradable in the presence of the activation fluid.
(canceled)
A downhole assembly comprising:
- a shape-memory article;
- and
- a deployment control element adjacent the shape-memory article, the deployment control element comprising a body and a seal element that forms an enclosure together with the body, the deployment control element further comprising 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, wherein the body, the seal element, or both of the deployment control element has a degradation rate of about 1 to about 450 mg/cm2/hour in the presence of the activation fluid at 200° F.
(canceled)
A downhole assembly comprising:
- a shape-memory article;
- and
- a deployment control element adjacent the shape-memory article, the deployment control element comprising a body and a seal element that forms an enclosure together with the body, the deployment control element further comprising 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, wherein the degradable material is a metallic material comprising at least one of Zn, Mg, Al, Mn, or an alloy thereof wherein the degradable material further comprises a degradation reinforcement material comprising at least one of a metal;
- an oxide of the metal;
- a nitride of the metal;
- or a cermet of the metal;
- wherein the metal is at least one of Ni, W, Mo, Cu, Fe, Cr, or Co.
4 more elements
A method comprising:
- introducing into a wellbore or a pipe a downhole assembly comprising
- a shape-memory article in a compacted shape, and
- a deployment control element adjacent the shape-memory article, the deployment control element comprising a body and a seal element that forms an enclosure together with the body, the deployment control element further comprising an activation fluid disposed in the enclosure wherein the activation fluid comprises an activator, and the activator comprises at least on dimethyl sulfoxide, a ketone, an alcohol, a phenol, an ether, an ester, or an acid, wherein the body, the seal element, or both is degradable in the presence of the activation fluid;
- degrading the body, the seal member, or both of the deployment control element with the activation fluid;
- releasing the activation fluid from the deployment control element;
- and
- contacting the shape-memory article in the compacted shape with the released activation fluid to cause the shape-memory article to expand, and conform to a surface of the wellbore or the pipe.
4 more elements
(canceled)
Dependencies are inferred from the claim text.