Well Screen and Method of Manufacture
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United States of America Patent
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Aug 27, 2015
app pub date -
Feb 27, 2014
filing date -
Feb 27, 2014
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Abstract
A method of construction of a well screen comprising the steps of providing a base pipe: spiral winding an inner drainage layer around the base pipe; spiral winding a filter layer around the inner drainage layer, then; spiral winding an outer drainage layer around the filter layer. Also disclosed is a well screen, comprising: a base pipe; a spiral-wound inner drainage layer disposed around the base pipe; a spiral-wound filter layer disposed around the inner drainage layer; and a spiral-wound outer drainage layer disposed around the filter layer.
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