Gravel packing method
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United States of America Patent
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Apr 26, 2005
Grant Date -
Feb 10, 2005
app pub date -
Aug 20, 2003
filing date -
Aug 6, 2003
priority date (Note) -
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Abstract
A method is disclosed for using aqueous VES-based gravel carrier fluids in gravel packing operations using screens and shunt tubes that have been run into a well completed with an oil-based mud. With this method, the previously necessary but undesirable steps of first running in a perforated liner and then displacing the oil-based mud with an aqueous-based fluid in the region to be gravel packed are both avoided while the advantages of gravel packing with an aqueous-based fluid are retained.
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