Environmentally friendly defoamer

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 19/04 (2006.01) C09K 8/493 (2006.01) C09K 8/68 (2006.01) E21B 33/13 (2006.01) E21B 43/25 (2006.01)

Patent

CA 2555726

A defoamer containing an alkanol, lecithin and water has particular applicability in the treatment of hydraulic cements used in hydrocarbon- bearing formations and in the cleaning of pipes and pipe lines. The defoamer is composed of environmentally friendly components.

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