Oleaginous Microbial Lubricants
AssigneeSolazyme, Inc.
InventorsHarrison F. DILLON, Frederyk NGANTUNG, Ana Teresita ECHANIZ
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Abstract
Provided are drilling fluids having delay-released lubrication, the drilling fluids comprising a drilling mud and an oleaginous microbial cell, methods of using and making such drilling fluids, and drilling rigs comprising such drilling fluids. Also provided are lubricants comprising an oleaginous microbial cell. Uses for the lubricants include metal working and extreme pressure applications.
Claims28
A drilling fluid for providing delay-released lubrication to a drill string in a drilling operation, the fluid comprising:
- a) a drilling mud and
- b) a microbial cell;
- said fluid capable of providing increasing lubricity during drilling and one or more of
- i) at least a 5% reduction in torque to the drill string;
- ii) at least a 5% increase in rate of penetration;
- or
- iii) at least a 5% reduction in drag.
7-10. (canceled)
15-16. (canceled)
(canceled)
(canceled)
27-61. (canceled)
A metal working fluid comprising a a microbial cell.
63-64. (canceled)
66-80. (canceled)
A microtunneling boring machine (MTBM) comprising a microbial cell.
Dependencies are inferred from the claim text.