Liquid purification or separation – Serially connected distinct treating with or without storage... – With pump – gas pressure or vacuum source
Patent
1995-07-20
1996-12-10
Reifsnyder, David A.
Liquid purification or separation
Serially connected distinct treating with or without storage...
With pump, gas pressure or vacuum source
2102571, 210297, 210388, 2105122, 209322, 209332, 209711, 209728, B01D 2126
Patent
active
055827276
ABSTRACT:
An apparatus and method for cleaning, desanding, and desilting drilling mud which contains unwanted solids utilizes an enclosure divided into a plurality of compartments connected with a system of vibratory screen shaker separators, desanders, and desilters. Drilling mud is separated by a primary vibratory shaker into coarse solids which is discarded and screened liquid mud which enters a first compartment and is further separated by a desander cyclone into a lighter liquid mud faction and a heavier liquid mud faction. The lighter faction is sent back to the first compartment and recycles, the heavier faction is further separated by a second vibratory shaker and enters a second compartment, and the solids are discarded. The liquid mud from the second compartment is further separated by manifolded desilter cyclones into a heavier faction and a lighter faction. The lighter faction is sent back to the second compartment and recycles, the heavier faction is further separated by a third vibratory shaker and enters a third compartment, and the solids are discarded. The liquid mud from the third compartment is further separated by a high-speed desilter cyclone into a heavier faction and a lighter faction. The lighter faction is sent back to the third compartment and recycles, the heavier faction is further separated by a fourth vibratory screen shaker into desilted dry solids and desilted liquid mud. The four times screened, desanded and twice desilted liquid mud is then used in the active mud system.
REFERENCES:
patent: 3723309 (1973-03-01), Garcia
patent: 3899414 (1973-03-01), Hansen
patent: 4462416 (1984-07-01), George et al.
patent: 4634535 (1987-01-01), Lott
patent: 4670139 (1987-06-01), Spruiell et al.
Reifsnyder David A.
Roddy Kenneth A.
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