Method of generating gas bubbles in oleaginous liquids
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United States of America Patent
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Nov 18, 2003
Grant Date -
N/A
app pub date -
Apr 4, 2000
filing date -
Apr 4, 2000
priority date (Note) -
Expired
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Abstract
Disclosed is a method of generating microbubbles in oleaginous liquids which comprises adding a silicone oil to the oleaginous liquid and thereafter subjecting the liquid to mechanical forces in the presence of a gas. Also disclosed are oil base well drilling and servicing fluids having a low shear rate viscosity as measured with a Brookfield Viscometer at 0.5 rpm of at least 10,000 centipoise and having incorporated therein microbubbles generated by the disclosed method, and a method of drilling a well wherein there is circulated within the wellbore during drilling the oil base, microbubble-containing fluid disclosed.
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