Method of treating well servicing fluids

Details Method of treating well servicing fluids Method of treating well servicing fluids

1983-01-17

1984-08-14

Castel, Benoit

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210722, 210724, 210754, 210759, 210912, 210913, C02F 152

Patent

active

044655983

ABSTRACT:
A method for removing heavy metals from brines used as well servicing fluids in which the heavy metal is oxidized to a higher, stable oxidation state of +3 or greater, the oxide or variants thereof of the oxidized metal is formed resulting in a generally water insoluble precipitate which is then removed by filtration leaving the brine free of deleterious amounts of the heavy metal.

REFERENCES:
patent: 3649532 (1972-03-01), McLean
patent: 3649533 (1972-03-01), Reijonen et al.
patent: 4016075 (1977-04-01), Wilkins

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