Fluids and techniques for hydrocarbon well completion
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United States of America Patent
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May 27, 2003
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N/A
app pub date -
Apr 20, 2000
filing date -
Dec 31, 1998
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Abstract
The Invention relates to novel fluids and techniques to optimize/enhance the production of hydrocarbon from subterranean formations (e.g., 'completion fluids'), in particular, fluids and techniques are disclosed and claimed which remove wellbore damage and near-wellbore damage in the form of coating formed from drilling and production-related operations ('filtercake'); the techniques can be applied either by themselves or in conjunction with other completion operations, such as gravel packing; preferred embodiments are chelating agent and enzyme systems in a viscoelastic surfactant (VES) matrix.
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