Low residue well treatment fluids and methods of use

Details Low residue well treatment fluids and methods of use Low residue well treatment fluids and methods of use

C - Chemistry, Metallurgy

09

K

C09K 8/68 (2006.01) C09K 8/524 (2006.01) C09K 8/80 (2006.01) E21B 43/27 (2006.01)

Patent

CA 2423096

A low residue well treatment fluid comprises: an aqueous solvent; a gelling agent comprising one or more modified polysaccharides, the modified polysaccharides having hydrophilic groups; and a crosslinking composition. The fluid may optionally further comprise a gel breaker, a buffer and/or a proppant. The fluids generate no or minimal residue upon being broken, and are particularly useful in well fracturing operations.

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