Recovery system

Details Recovery system Recovery system

2006-03-23

2008-10-21

Suchfield, George (Department: 3676)

Boring or penetrating the earth

Processes

Boring with specific fluid

C175S206000

Reexamination Certificate

active

07438142

ABSTRACT:
A process for the recovery of industrial carbon material from a mixture. The mixture may include drilling fluids, drilled solids, and industrial carbon from a mud system. The process may include: separating at least a portion of the drilled solids from the mixture to form a first effluent and a drilled solids fraction; separating at least a portion of the industrial carbon from the first effluent to form a second effluent and a recovered industrial carbon fraction; and recycling at least a portion of the recovered industrial carbon to the mud system.

REFERENCES:
patent: 4482459 (1984-11-01), Shiver
patent: 6138834 (2000-10-01), Southall
patent: 6881349 (2005-04-01), Mueller
patent: 6892887 (2005-05-01), Rayborn
patent: 7004333 (2006-02-01), Marcotullio et al.
patent: 7077319 (2006-07-01), Schnee et al.
patent: 2004/0094483 (2004-05-01), Mueller
United States office Action in Corresponding U.S. Appl. No. 11/535,028 (10 pages).

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