Patent ID: 7325608
Filing Date: 2008-02-05
Classification: C09K,E21B

Abstract:
1. A method comprising: providing a carrier fluid comprising a delayed breaker; providing a plurality of proppant aggregates comprising a binder fluid and a filler material; suspending the plurality of proppant aggregates in the carrier fluid wherein the binding fluid is at least partially immiscible with the carrier fluid so as to result in the plurality of proppant aggregates remaining as coherent bodies and not becoming generally dispersed into smaller bodies without the application of shear; introducing the carrier fluid into the subterranean formation at or above a pressure sufficient to create or enhance at least one fracture, the carrier fluid comprising the plurality of proppant aggregates suspended therein; allowing the carrier fluid to break so as to reduce the viscosity of the carrier fluid; and recovering at least a portion of the carrier fluid from the at least one fracture wherein at least a substantial portion of the plurality of proppant aggregates remains in the at least one fracture so as to create a high porosity propped feature.