Low cost method and apparatus for fracturing a subterranean...

Details Low cost method and apparatus for fracturing a subterranean... Low cost method and apparatus for fracturing a subterranean...

2006-08-15

2006-08-15

Bagnell, David (Department: 3672)

Wells

Processes

Placing fluid into the formation

C166S075150, C137S003000, C137S088000

Reexamination Certificate

active

07090017

ABSTRACT:
The present invention is directed to a low cost method and apparatus for fracturing a subterranean formation. The invention involves using a centrifugal pump to combine a fracture fluid, a sand suspension and liquid additive and discharge a mixture of these components into a high pressure pump that injects the mixture into the subterranean formation. The apparatus employs a control pinch valve to precisely control the amount of sand suspension being added to the mixture. The apparatus eliminates the need for expensive blenders, other equipment and associated personnel and provides a low cost means of fracturing the subterranean formation.

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