Patents Examined by Novosad
  • Method for treating subterranean formations
    Patent number: 4518039
    Abstract: A method for treating a subterranean formation comprised of placing in or adjacent the formation a quantity of free-flowing, heat curable particles comprised of a high strength center, a coupling agent chemically bound to the center, a heat curable resin coated over the center; and causing said free flowing particles in or adjacent the formation to form a cohesive mass.
    Type: Grant
    Filed: October 27, 1982
    Date of Patent: May 21, 1985
    Inventors: John W. Graham, A. Richard Sinclair