Method and compositions for fracturing subterranean formations

Details Method and compositions for fracturing subterranean formations Method and compositions for fracturing subterranean formations

E - Fixed Constructions

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B

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E21B 43/26 (2006.01) C08K 5/00 (2006.01) C09K 8/512 (2006.01) C09K 8/68 (2006.01) E21B 43/267 (2006.01)

Patent

CA 1217329

METHOD AND COMPOSITIONS FOR FRACTURING SUBTERRANEAN FORMATIONS Abstract of the Disclosure An aqueous gel containing a crosslinking agent comprising an organotitanate chelate and a retarding agent which delays crosslinking of the gel. This retarding agent comprises a polyhydroxyl-containing compound. The gel is useful for frac- turing and placing propping agents within a subterranean for- mation. The gel has a high viscosity in the formation and has pumping characteristics in turbulent flow similar to those of water.

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