Patents by Inventor Willis C. Frison

Willis C. Frison 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).

  • Patent number: 4828033
    Abstract: An apparatus designed for the introduction or removal of fluids from a wellbore, which apparatus comprises an elongated, extendable member and means for extending it; attached to said extendable member a conduit adapted for carrying fluid along said member; and located near an extremity of the extendable member, a means for securing said conduit to the head of a wellbore to permit fluid flow through said conduit and into or from said wellbore. Also, a method for employing the foregoing apparatus to introduce or remove from a wellbore a fluid by attaching a securing means to a wellbore head and introducing into or removing therefrom a fluid by transporting said fluid through the conduit with a fluid transporting means, said fluid flowing in either direction as may be appropriate.
    Type: Grant
    Filed: May 20, 1985
    Date of Patent: May 9, 1989
    Assignee: Dowell Schlumberger Incorporated
    Inventor: Willis C. Frison