Consolidatable gravel pack method

Details Consolidatable gravel pack method Consolidatable gravel pack method

1987-12-18

1989-01-31

Novosad, Stephen J.

Wells

Processes

Providing porous mass of adhered filter material in well

166295, E21B 33138, E21B 4304

Patent

active

048009601

ABSTRACT:
Disclosed is a method for controlling sand flow in an producing well by forming a permeable consolidated gravel pack. Gravel is coated with a resin such as an oligomer of furfuryl alcohol containing an ester and as a catalyst an oil soluble, slightly water soluble organic acid such as anthranilic acid. The resin coated gravel is suspended in a carrier fluid comprising saturated brine and optionally a viscosity increasing polymer. The fluid comprising resin coated gravel and the carrier fluid are pumped through the well into the formation adjacent to the producing well. Heat or pressure cause joining of adjacent coated gravel to form the consolidated gravel pack.

REFERENCES:
patent: 4042032 (1977-08-01), Anderson et al.
patent: 4427069 (1984-01-01), Friedman
patent: 4428427 (1984-01-01), Friedman
patent: 4556109 (1985-12-01), Eilers
patent: 4669543 (1987-06-01), Young
patent: 4694905 (1987-09-01), Armbruster

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