Engineered Lubricant
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed are compositions for drilling and/or maintaining a wellbore, e.g., drilling fluids and drilling muds, comprising oleaginous yeast. The oleaginous yeast may comprise at least about 45 wt % oil. The oleaginous yeast may comprise a genetic modification that either increases the oil content of the yeast, alters the lipid composition of the yeast, and/or provides a selective advantage for the yeast, e.g., relative to an unmodified yeast of the same species.
7 Citations
41 Claims
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1-21. -21. (canceled)
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22. A composition for use in drilling or maintaining a wellbore, comprising an oleaginous yeast, wherein the oleaginous yeast is not Rhodoturula glutinis, wherein the oleaginous yeast comprises a genetic modification selected from the group consisting of:
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a genetic modification that increases the oil content of the yeast; a genetic modification that alters the lipid composition of the yeast; and a genetic modification that provides a selective advantage for the yeast, relative to an unmodified yeast of the same species. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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Specification