Additive and method for servicing subterranean wells

Details Additive and method for servicing subterranean wells Additive and method for servicing subterranean wells

C - Chemistry, Metallurgy

09

K

C09K 8/48 (2006.01) C09K 8/03 (2006.01) C09K 8/40 (2006.01) E21B 33/13 (2006.01)

Patent

CA 2696375

Disclosed is a weighting agent comprising processed taconite, and methods of applying the weighting agents during the completion of subterranean wells. The processed taconite is ground such that the particle-size distribution is comparable to and compatible with other suspended solids in fluids such as, but not limited to, drilling fluids, lost- circulation-control fluids, spacer fluids, cement slurries and temporary pills.

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