Clay stabilizing agent and a method of use in subterranean forma

Details Clay stabilizing agent and a method of use in subterranean forma Clay stabilizing agent and a method of use in subterranean forma

1996-06-03

1998-06-30

Neuder, William P.

Wells

Processes

Specific low fluid loss feature for fracturing fluid or...

166295, E21B 4326

Patent

active

057719713

ABSTRACT:
Clay stabilizing agents used in fracturing fluids produce noxious odours, raise environmental concerns or are less than effective in subterranean formations of low permeability. Disclosed herein is an alternate stabilizing agent comprising at least one organic amine selected from the group consisting of primary diamines with a chain length of 8 or less and primary alkyl amines with a chain length of 4 or less. The organic amine is admixed with the fracturing fluid in an amount not less than 0.03% by volume of the fluid and typically in the range of from about 0.06% to 0.3% by volume of the fluid.

REFERENCES:
patent: 4230183 (1980-10-01), Kalfoglou
patent: 4521452 (1985-06-01), Highsmith
patent: 4579667 (1986-04-01), Echt et al.
patent: 4579670 (1986-04-01), Payne
patent: 4579671 (1986-04-01), Lundberg et al.

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