Well completion spacer fluids and methods

Details Well completion spacer fluids and methods Well completion spacer fluids and methods

E - Fixed Constructions

21

B

E21B 33/138 (2006.01) C09K 8/60 (2006.01)

Patent

CA 2208205

A well completion spacer fluid is provided which is particularly suitable for separating a cement slurry from drilling fluid in primary cementing operations. The well completion spacer fluid is also useful for separating other potentially incompatible fluids in the wellbore, such as, separating drilling fluid from a completion brine. The spacer fluid basically comprises water, a hydrous magnesium silicate clay, silica and organic polymer(s).

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