Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
Patent
1997-07-09
1999-11-09
Tucker, Philip
Earth boring, well treating, and oil field chemistry
Well treating
Contains organic component
507271, 507273, 507277, 507922, 166308, C09K 300, E21B 4317
Patent
active
059814462
ABSTRACT:
Methods and apparatus are disclosed for fracturing subterranean formations using fracturing fluids that are hydrated from dry mix blends. One aspect of the invention comprises a dry blended particulate composition for hydraulic fracturing comprising a particulate hydratable polysaccharide, a particulate crosslinking agent, and a slowly releasing particulate base. The compositions employ controlled release methods of particle dissolution. The invention reveals a dry blended particulate composition capable of significantly improved high temperature stability. Further, methods of fracturing and apparatus for rapidly hydrating and pumping the fracturing fluid into subterranean formations are disclosed.
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Constien Vernon
Nelson Erik B.
Qiu Xiaoping
Sullivan Philip F.
Schlumberger Technology Corporation
Tucker Philip
Y'Barbo Douglas
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