Clarification of high density brine fluids

Details Clarification of high density brine fluids Clarification of high density brine fluids

E - Fixed Constructions

21

B

31/8

E21B 21/06 (2006.01) B01D 37/02 (2006.01) C02F 1/52 (2006.01) C02F 1/54 (2006.01) E21B 43/40 (2006.01)

Patent

CA 1225519

ABSTRACT A process for clarifying a high density brine based fluid involves flocculating suspended solids from the spent brine based fluid, separating flocculated solids from the fluid and filtering the fluid. Suspended solids are flocculated using a particulate filter aid such as a diatomaceous earth and a water-soluble polymer. Clarified brines can be reused in well drilling and completion fluid applications. 32,404-F

479549

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