Well drilling fluids containing epoxy sealants and methods
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United States of America Patent
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Jun 15, 1999
Issued Date -
N/A
app pub date -
Dec 11, 1997
filing date -
Aug 18, 1997
priority date (Note) -
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Abstract
The present invention provides improved well drilling fluids containing epoxy sealants and methods of drilling well bores using the drilling fluids. The drilling fluids basically include a base fluid selected from the group of water and oil, a viscosity increasing material and a hardenable epoxy sealant composition which becomes part of the filter cake formed on the walls of the well bore and hardens therein whereby the filter cake is consolidated into a stable solid mass.
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Cited Art Landscape
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