Methods for measurement of fluid electrical stability

Details Methods for measurement of fluid electrical stability Methods for measurement of fluid electrical stability

G - Physics

01

N

G01N 27/92 (2006.01) G01N 33/28 (2006.01)

Patent

CA 2733763

The invention relates particularly to methods for characterizing water-in-oil or invert emulsion fluids for use in drilling well bores in hydro-carbon bearing subterranean formations. A fluid stability measurement method is described. The method includes placing a sample of an emulsion in a gap between electrodes, disturbing the sample, measuring the electrical stability of the sample, and establishing a relationship between electrical stability and time since the sample was disturbed.

La présente invention concerne, en particulier, des procédés de caractérisation de fluides de type émulsion eau dans huile ou émulsion inverse, utilisables dans le cadre du forage de puits dans des formations souterraines renfermant des hydrocarbures. L'invention concerne un procédé de mesure de la stabilité d'un fluide. Ce procédé implique de placer un échantillon d'une émulsion dans l'intervalle séparant des électrodes, à perturber l'échantillon, à mesurer la stabilité électrique de l'échantillon et à établir une relation entre la stabilité électrique et la durée écoulée depuis la perturbation de l'échantillon.

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