Fluid loss control

Details Fluid loss control Fluid loss control

E - Fixed Constructions

21

B

E21B 43/27 (2006.01) C09K 8/514 (2006.01) C09K 8/62 (2006.01) C09K 8/76 (2006.01)

Patent

CA 2154850

The invention, in one embodiment, relates to a fluid loss control additive or composition comprising a granular starch composition and fine particulate mica, in specified proportions. The invention further comprises a fracturing fluid containing a starch composition and mica, in a specified ratio. In yet a third embodiment, the invention comprises a method of fracturing a subterranean formation penetrated by a borehole, comprising injecting into the borehole and into contact with the formation, at a rate and pressure sufficient to fracture the formation, a fracturing fluid containing starch and mica, in specified ratios, and in an amount sufficient to provide fluid loss control.

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