Invertible well bore servicing fluid

Details Invertible well bore servicing fluid Invertible well bore servicing fluid

C - Chemistry, Metallurgy

09

K

C09K 8/28 (2006.01)

Patent

CA 2513547

An invert emulsion fluid, method for making same, and method for using same as a servicing fluid in a well bore. The invert emulsion fluid contains an oleaginous fluid, a non-~oleaginous fluid, and an emulsifier comprising one or more amines generally represented by the formula: wherein R is a cycloaliphatic hydrocarbon, each R' may be the same or different and is H or an alkyl having from about 1 to about 3 carbon atoms, each A may be the same or different and is NH or 0, and the sum of x and y ranges from about 1 to about 20. In a preferred embodiment, R is a radical selected from the group consisting of abietyl, dihydroabietyl, tetrahydroabietyl, and dehydroabietyl, R' is H, and A is 0.

L'invention concerne un fluide d'émulsion inverse, sa méthode de fabrication, et sa méthode d'utilisation en tant que fluide d'entretien d'un puits de forage. Le fluide d'émulsion inverse contient un fluide oléagineux, un fluide non oléagineux, et un émulsifiant comprenant une ou plusieurs amines généralement représentées par la formule I. Dans cette formule, R désigne un hydrocarbure cycloaliphatique, chaque R' peut être identique ou différent, et désigne H ou un alkyle comprenant 1 à 3 atomes de carbone environ, chaque A peut être identique ou différent, et désigne NH ou O, et la somme de x et de y est comprise entre 1 et 20 environ. Dans un mode de réalisation préféré, R est un radical sélectionné dans le groupe comprenant abiétyl, dihydroabiétyl, tétrahydroabiétyl, and déshydroabiétyl, R' désigne H, A désigne 0.

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