Patents by Inventor Richard E. Wyman

Richard E. Wyman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of completing production wells for the recovery of gas from coal seams
    Patent number: 4679630
    Abstract: A method of completing a production well for the recovery of gas from a coal seam is disclosed. The well is of the type having a casing cemented in the well and the method comprises the steps of providing perforations in the casing above and/or below the coal seam, and hydraulically fracturing the coal seam through the perforations in the casing.
    Type: Grant
    Filed: December 23, 1985
    Date of Patent: July 14, 1987
    Assignee: Canadian Hunter Exploration Ltd.
    Inventor: Richard E. Wyman