Hydraulic earth boring and cyclone separation system
United States Patent 2941783
US Patent References:
Cleaning oil well drilling fluids
- - 2156333
Centrifugal sand separator
- - 2301371
Treatment of drilling mud
- - 2338174
Mud driven apparatus for treating mud
- - 2555314
Process of and apparatus for strictly limited separation of mixtures by the speed of fall in liquid media
- - 2610737
Cleaning oil well drilling fluids
- - 2156333
Centrifugal sand separator
- - 2301371
Treatment of drilling mud
- - 2338174
Mud driven apparatus for treating mud
- - 2555314
Process of and apparatus for strictly limited separation of mixtures by the speed of fall in liquid media
- - 2610737
Inventors:
Stinson, Donald L.
Publication Date:
06/21/1960
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Assignee:
PHILLIPS PETROLEUM CO
Primary Class:
Other Classes:
210/512.100, 175/66, 175/210, 209/730, 209/17
International Classes:
E21B21/06; E21B21/00
US Patent References: