Organofunctional compounds for shale stabilization of the aqueous dispersed phase of non-aqueous based invert emulsion drilling system fluids
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United States of America Patent
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Jun 27, 2006
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app pub date -
Nov 14, 2002
filing date -
Nov 14, 2002
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Abstract
Invert emulsion drilling system fluids comprising an oleaginous continuous phase and a non-oleaginous dispersed phase, the dispersed phase comprising organofunctional compound(s) effective to provide shale inhibition. The organofunctional compound(s) may be used either as a supplement to or as a substitute for metallic salts.
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