METHOD FOR REDUCING THE RHEOLOGY OF HIGH INTERNAL-PHASE-RATIO EMULSION WELLBORE FLUIDS
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Apr 29, 2014
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May 3, 2013
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Abstract
An invert emulsion fluid may include a oleaginous external phase, a nonoleaginous internal phase, wherein a ratio of the oleaginous external phase to nonoleaginous internal phase is less than 55:45, a emulsifier, a particulate weighting agent dispersed in the non-oleaginous internal phase, and a viscosifier stabilizing the dispersion of the particulate weighting agent in the non-oleaginous internal phase.
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