Patents Assigned to Fairmont Minerals, Ltd.
  • Process for incremental coating of proppants for hydraulic fracturing and proppants produced therefrom
    Patent number: 7135231
    Abstract: A high strength composite particle comprised of a series of incrementally applied resin microlayer coatings such that each of the microlayer partial coatings are interleaved with each other is described. Methods of making the composite particles, as well as methods of using such particles as a proppant in oil and gas well hydraulic fracturing are also described.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: November 14, 2006
    Assignee: Fairmont Minerals, Ltd.
    Inventors: A. Richard Sinclair, Syed Akbar, Patrick R. Okell