Patents by Inventor Alex Watson Milne

Alex Watson Milne 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).

  • Well logging tool
    Patent number: 6578631
    Abstract: A method of well logging in which the logging tool is delivered to the bottom of the well within a drill pipe and then the well is logged by withdrawing the drill pipe with the sensor portion of the logging tool protruding from the drill pipe. Following the logging operation, the logging tool is returned to the surface by reverse circulation.
    Type: Grant
    Filed: July 15, 2002
    Date of Patent: June 17, 2003
    Assignee: Reeves Wireline Technologies, Ltd.
    Inventors: Alex Watson Milne, Michael Charles Spencer
  • Method and apparatus for well logging and well control
    Patent number: 6488085
    Abstract: A well logging method and apparatus is described, which enables well logging to be conducted while still allowing passage of fluid mud within the well to maintain well control.
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: December 3, 2002
    Assignee: Reeves Wireline Technology LTD
    Inventors: Alex Watson Milne, Michael Charles Spencer
  • Well logging method & apparatus
    Publication number: 20020170712
    Abstract: A method of well logging in which the logging tool is delivered to the bottom of the well within a drill pipe and then the well is logged by withdrawing the drill pipe with the sensor portion of the logging tool protruding from the drill pipe. Following the logging operation the logging tool is returned to the surface by reverse circulation.
    Type: Application
    Filed: July 15, 2002
    Publication date: November 21, 2002
    Inventors: Alex Watson Milne, Michael Charles Spencer
  • Well logging method & apparatus
    Patent number: 6419013
    Abstract: A method of well logging in which the logging tool is delivered to the bottom of the well within a drill pipe and then the well is logged by withdrawing the drill pipe with the sensor portion of the logging tool protruding from the drill pipe. Following the logging operation, the logging tool is returned to the surface by reverse circulation.
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: July 16, 2002
    Assignee: Reeves Wireline Technologies Ltd.
    Inventors: Alex Watson Milne, Michael Charles Spencer
  • Well logging tool
    Patent number: 6311777
    Abstract: The well logging tool comprises differential valve means allowing passage of fluid through said tool during logging operations on when the tool becomes jammed inside a drillpipe.
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: November 6, 2001
    Assignee: Reeves Wireline Technologies Ltd.
    Inventors: Alex Watson Milne, Michael Charles Spencer