Method for reducing fluid leak-off during well treatment

Details Method for reducing fluid leak-off during well treatment Method for reducing fluid leak-off during well treatment

1990-10-03

1992-01-14

Suchfield, George A.

Wells

Processes

Separate steps of fracturing or attacking formation

166300, 166308, 252 8551, E21B 4326

Patent

active

050801708

ABSTRACT:
Low permeability formations are hydraulically fractured with a fracturing fluid which includes a material capable of (1) bonding fine formation particles to prevent movement of the particles into and within the formation and (2) forming a permeability-reducing skin at the formation/fluid interface to reduce fluid leak-off into the formation. The stabilizing and fluid leak-off reducing material is comprised of a water soluble polymer and an alkaline potassium salt.

REFERENCES:
patent: 4549608 (1985-10-01), Stowe et al.
patent: 4660640 (1987-04-01), Hoskin et al.
patent: 4735265 (1988-04-01), Hoskin et al.
patent: 4785883 (1988-11-01), Hoskin et al.
patent: 4842073 (1989-06-01), Himes et al.

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