E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 21/06 (2006.01) E21B 21/01 (2006.01)
Patent
CA 2416076
A continuous self-cleaning drilling fluid tank includes a liquid impervious receptacle having a bottom and a peripheral sidewall. Unprocessed drilling fluid requiring reconditioning are diverted into the receptacle. A processed drilling fluid outlet is provided, whereby reconditioned drilling fluid passes from the receptacle. A plurality of scraper blades are provided which are carried by a continuous loop conveyor positioned immediately adjacent to the bottom. A sludge outlet is provided, whereby sludge passes from the receptacle. The continuous loop conveyor is driven to cause the scraper blades to scrape sludge resting on the bottom toward the sludge outlet.
C. & L. Environmental Services Ltd.
Thompson Lambert Llp
LandOfFree
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