System for fracturing wells using supplemental...

Details System for fracturing wells using supplemental... System for fracturing wells using supplemental...

2006-07-11

2006-07-11

Gay, Jennifer H. (Department: 3672)

Wells

Processes

Placing fluid into the formation

C166S063000, C166S177500, C166S299000, C175S071000, C102S313000, C102S318000, C102S320000

Reexamination Certificate

active

07073589

ABSTRACT:
A system for fracturing wells uses a primary propellant charge to initially produce pressures within the well in excess of the maximum fracture extension pressure of the surrounding formation, but below that which would cause damage to the well. A supplemental propellant charge burns for a substantially longer period of time than the primary propellant charge, and thereby maintains pressures within the well in excess of the maximum fracture extension pressure for a significant period of time following completion of the primary propellant burn.

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