Oleophilic basic amine compounds as an additive for invert...

Details Oleophilic basic amine compounds as an additive for invert... Oleophilic basic amine compounds as an additive for invert...

C - Chemistry, Metallurgy

09

K

31/32

C09K 8/36 (2006.01)

Patent

CA 2009689

In a first embodiment, the invention relates to the use of basic amine compounds of pronounced oleophilic character and at most limited solubility in water, which are capable of forming salts with carboxylic acids, as an additive for w/o invert drilling muds which contain in the continuous oil phase ester oils and, together with the disperse aqueous phase, emulsifiers, weighting agents, fluid loss additives and, if desired, other additives for protecting the drilling muds against unwanted thickening in use or for improving their flowability. In another embodiment, the invention relates to w/o invert drilling muds which are suitable for the improved offshore development of oil and gas sources and which are characterized by the presence of basic amine compounds of pronounced oleophilic character which are capable of forming salts with carboxylic acids.

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