Clay inhibitors for the drilling industry

Details Clay inhibitors for the drilling industry Clay inhibitors for the drilling industry

E - Fixed Constructions

21

B

E21B 43/25 (2006.01) E21B 43/26 (2006.01)

Patent

CA 2574015

The present invention relates to a method for inhibiting hydration of clays in drilling operations comprising the use of an aqueous based drilling fluid containing from 0.2 to 5 wt% of 1,2-cyclohexanediamine and/or its salts.

La présente invention concerne le procédé d'inhibition d~hydratation des argiles dans les opérations de forage comprenant l~utilisation d~un fluide de forage aqueux contenant entre 0,2 et 5 % en poids de 1,2-cyclohexanodiamine et/ou ses sels.

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