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US 8,684,075 B2Granted
Sand screen, expandable screen and method of making
AssigneeBaker Hughes Incorporated
InventorsRandall V. Guest, Michael H. Johnson, Kirk J. Huber
Life of this patent
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Abstract
An expandable screen includes, a body constructed of one or more strands of a shape memory material randomly distributed in a mat structure, the body is stable at a first volume and expandable to a second volume upon a change in environment.
Claims19
An expandable screen comprising a body constructed of one or more strands of a shape memory material randomly distributed in a mat structure, the body being stable at a first volume and expandable to a second volume upon a change in environment.
A method of making an expandable screen, comprising:
- extruding one or more strands of a shape memory material;
- building a body having a mat structure with multiple layers of the one or more strands randomly positioned and stacked against one another;
- compacting the body;
- and
- cooling the body.
2 more elements
Dependencies are inferred from the claim text.