Method to divert fractures induced by high impulse fracturing

Details Method to divert fractures induced by high impulse fracturing Method to divert fractures induced by high impulse fracturing

1986-12-11

1988-06-14

Suchfield, George A.

Wells

Processes

Separate steps of fracturing or attacking formation

166294, 166299, 166308, E21B 33138, E21B 43263

Patent

active

047505621

ABSTRACT:
A method for effecting high impulse fracturing in a stratified formation penetrated by a well where multiple fractures are first induced in a lower zone. Thereafter, said fractures and the well area within and adjacent said lower zone are filled with a gel mixture which solidifies. A gel plug is thus formed in said lower zone. High impulse fracturing is instituted in a higher zone which is filled with a gel mixture similarly as in said lower zone. High impulse fracturing and forming a solid gel within the induced fractures and area within the well adjacent the fractured zone are continued until each desired zone has been fractured. The gel plug prevents high impulse energy from entering fractures of previously fractured zones resulting in deeper fracture penetration.

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