Stabilized fracture fluid and crosslinker therefor

Details Stabilized fracture fluid and crosslinker therefor Stabilized fracture fluid and crosslinker therefor

C - Chemistry, Metallurgy

08

B

31/26, 252/43

C08B 37/14 (2006.01) C08B 15/00 (2006.01) C09K 8/512 (2006.01) C09K 8/68 (2006.01) E21B 43/26 (2006.01)

Patent

CA 1269093

ABSTRACT Various organometallic crosslinkers containing titanium or zirconium atoms in the +4 oxidation (valence) state have been used to crosslink solvatable polysaccharides (e.g., hydroxypropyl guar) in aqueous media. The crosslinked gels are useful as fracturing fluids. Aqueous solutions of the organometallic crosslinkers are stabilized against deterioration upon stroage by adding an alkanolamine (e.g., triethanolamine). Additionally, the alkanolamines also stabilize the crosslinked gels against shear degradation at elevated temperatures. C-32,818

499018

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