Method for concentrating solids from drilling slurry

Details Method for concentrating solids from drilling slurry Method for concentrating solids from drilling slurry

2006-11-13

2008-10-07

Hruskoci, Peter A. (Department: 1797)

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

C175S066000, C210S702000, C210S787000, C210S802000, C210S803000, C210S804000

Reexamination Certificate

active

07431846

ABSTRACT:
An apparatus to separate solids from drilling slurry, having an inlet positioned over an outlet of a concentration tank to displace water that would otherwise enter the down-stream centrifuges. Baffles are provided to direct solids to the outlet and minimize the time that solids spend in the concentration tank. Fluids having solids removed therefrom are removed from the apparatus at a location remote from the outlet.

REFERENCES:
patent: 3523889 (1970-08-01), Eis
patent: 3993359 (1976-11-01), Sweeney
patent: 4048069 (1977-09-01), Cuvillier et al.
patent: 4357242 (1982-11-01), Chandler
patent: 4714558 (1987-12-01), Barbee et al.
patent: 5840198 (1998-11-01), Clarke
patent: 6214237 (2001-04-01), Kustra et al.
patent: 7135107 (2006-11-01), Palmer

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