Hydrajet perforation and fracturing tool

Details Hydrajet perforation and fracturing tool Hydrajet perforation and fracturing tool

2007-01-09

2007-01-09

Gay, Jennifer H. (Department: 3672)

Wells

Processes

Placing fluid into the formation

C166S177500, C166S222000

Reexamination Certificate

active

10856903

ABSTRACT:
Methods and apparatus for fracturing a subterranean formation which use a fracturing tool. The fracturing tool includes a hydrajet tool, with at least one fluid jet and at least one fracturing port extending through the liner. The fracturing tool further includes a rotating sleeve with at least one interior fracturing port and at least one interior fluid jet port. Finally, the fracturing tool may include a power unit capable of changing the orientation of the rotating sleeve. During fracturing operations, fracturing fluid is pressured through the fluid jet to form microfractures. The orientation of the rotating sleeve may then be changed and fluid may be forced through the fracturing ports to form fractures by the stagnation pressure of the fracturing fluid.

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