Patents by Inventor K. K. LaFleur

K. K. LaFleur 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).

  • Cementing plug container with remote control system
    Patent number: 4782894
    Abstract: A cementing plug container and remote control system for enclosing and injecting cementing plugs into the casing and/or drill pipe of an oil or gas well, which includes a shaped housing containing one or more plugs and a plug release mechanism such as an air or hydraulic cylinder for each plug, by operation of appropriate valves located on a control panel remotely located from the cementing plug container. Passage of the plug or plugs from the upper segment of the housing and through the housing assembly bore is registered by a plug pass indicator.A method for injecting cementing plugs into casing and/or drill pipe in an oil or gas well by remote control using a cementing plug container having a removable dome, at least one remotely controlled plug release mechanism, and a plug pass indicator mechanism.
    Type: Grant
    Filed: January 12, 1987
    Date of Patent: November 8, 1988
    Inventor: K. K. LaFleur