Oilfield treatment fluid stabilizer

Details Oilfield treatment fluid stabilizer Oilfield treatment fluid stabilizer

E - Fixed Constructions

21

B

E21B 43/26 (2006.01) E21B 43/22 (2006.01)

Patent

CA 2467791

Non-toxic high temperature stabilizers are described for compositions for treating subterranean formations using fluids that are hydrated from dry mix blends using controlled release methods of particle dissolution. In particular, one aspect of this invention is a dry blended particulate composition for hydraulic fracturing containing a particulate hydratable polysaccharide, a particulate crosslinking agent, a slowly releasing particulate base, and a non-toxic stabilizing salt for high temperature use. The dry blended particulate composition is capable of significantly improving rheological properties. It is useful for making hydraulic fracturing and other oilfield treatment fluids.

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