Patents Assigned to Institute Francois du Petrole
  • Well cementing method and material containing fine particles
    Patent number: 6065539
    Abstract: A method of cementing a casing in a well drilled in the ground comprises injecting a liquid material comprising phenol-formol resin from the surface, wherein the resin is modified by means of a determined amount of furfuryl alcohol, and an amount of mineral filler unreactive towards the resin is added. The invention further relates to a thermosetting cementing material comprising phenol-formol resin. The resin is modified by means of an amount of furfuryl alcohol and comprises at least a proportion of an unreactive granular filler.
    Type: Grant
    Filed: May 28, 1998
    Date of Patent: May 23, 2000
    Assignee: Institute Francois du Petrole
    Inventors: Christine Noik, Alain Rivereau