B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
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.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Bj Services Company
LandOfFree
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