Propellant cartridge with restrictor plugs for fracturing wells

Details Propellant cartridge with restrictor plugs for fracturing wells Propellant cartridge with restrictor plugs for fracturing wells

2006-02-17

2009-02-10

Thompson, Kenneth (Department: 3672)

Wells

With explosive or gas generating means in well

C166S308100

Reexamination Certificate

active

07487827

ABSTRACT:
An apparatus for fracturing a well has a propellant charge held by a carrier, and upper and lower restrictor plugs secured to the carrier above and below the propellant charge, respectively. The restrictor plugs allow a restricted flow of combustion gases generated by the propellant charge to pass the restrictor plugs, but maintain sufficient pressure in the well between the restrictor plugs to fracture the formation surrounding the well.

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