E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/26 (2006.01) E21B 43/267 (2006.01) E21B 43/11 (2006.01)
Patent
CA 2686744
A method of hydraulically fracturing a formation comprises controlling a pump rate during hydraulic fracturing of the first section of the horizontal well bore during a first period to break down the formation while reducing pick up of sand positioned in the well bore; during a subsequent second period to pick up the sand positioned in the well bore generally at a rate at which the formation will accept the sand; and, during a subsequent third period to fracture the formation.
Mack Lance William
Schlosser Daniel James
Schultz Darcy Allan
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Bj Services Company Canada
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