Expandable sand screen and methods for use
First Claim
Patent Images
1. A method of controlling filtration in a wellbore environment, comprising:
- arranging an expandable tubular system with overlapping filter sheets; and
positioning uniquely configured openings in each overlapping filter sheet such that upon expansion of the expandable tubular system, the overlapping filter sheets create a predetermined flow path regime.
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Abstract
A particulate screen suitable for use in a wellbore. The particulate screen is expandable and may be at least partially formed of a bistable tubular. Also, a filter media may be combined with the bistable tubular to limit influx of particulates.
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Citations
16 Claims
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1. A method of controlling filtration in a wellbore environment, comprising:
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arranging an expandable tubular system with overlapping filter sheets; and positioning uniquely configured openings in each overlapping filter sheet such that upon expansion of the expandable tubular system, the overlapping filter sheets create a predetermined flow path regime. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system for filtering in a wellbore environment, comprising:
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a base pipe; a shroud disposed around the base pipe; and a plurality of filter sheets in which each filter sheet has a free end, wherein the free ends of adjacent pairs of filter sheets are positioned in an overlapping configuration. - View Dependent Claims (12, 13, 14)
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15. A system for filtering in a wellbore environment, comprising:
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a base pipe; a shroud disposed around the base pipe; and a plurality of filter sheets in which each filter sheet has a free end, wherein the free ends of adjacent pairs of filter sheets are positioned in an overlapping configuration, wherein the plurality of filter sheets are attached to the shroud.
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16. A system for filtering in a wellbore environment, comprising:
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a base pipe; a shroud disposed around the base pipe; and a plurality of filter sheets in which each filter sheet has a free end, wherein the free ends of adjacent pairs of filter sheets are positioned in an overlapping configuration, wherein the shroud is formed of a plurality of circumferentially adjacent shroud components.
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Specification