Process and apparatus for recovering reuseable water form waste

Details Process and apparatus for recovering reuseable water form waste Process and apparatus for recovering reuseable water form waste

1989-02-28

1992-03-03

Hruskoci, Peter

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

175 66, 210712, 210727, 210738, 210756, 210787, 2101951, 210199, 210202, 210205, 2102571, 210258, C02F 156

Patent

active

050930087

ABSTRACT:
A dewatering porocess and apparatus for recovering water from waste drilling fluid for concurrent reutilization in an active drilling operation includes a storage area, an intermixer for introducing treatment chemicals into the waste drilling fluid and a centrifuge. Flocculation is chemically induced in the waste drilling fluid as it passes through the intermixing means for introducing treatment chemicals into the waste drilling fluid. The waste drilling fluid is then transferred to the centrifuge wherein it is separated into solid waste and clear reuseable water. The water is returned to the storagge area and may be chemically adjusted prior to being returned to the drilling rig.

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Wojtanowicz, A. K., Comparison Study of Solid/Liquid Separation Techniques for Olfield Pit Closures, Journal of Petroleum Technology, Jul., 1987.
Nordquist, D. G. et al., A Case History of Dewatering and Recycling Sump Drilling Mud on 141 Wells in the Midway Sunset Field. California, IADC/SPE 17246, IADC/SPE Drilling Conference Feb. 28-Mar. 2, 1988.
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Wojtanowicz, A. K. Modern Solids Control: A Centrifuge Dewatering-Process Study, SPE/IADC 16098, SPE/IADC 1987 Drilling Conference, New Orleans, Mar. 15-18, 1987.

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