Patents by Inventor Ernest W. Moreland

Ernest W. Moreland 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 and apparatus for use when changing the direction of a well bore
    Patent number: 4433738
    Abstract: A method is disclosed of smoothing out a curved section of a well bore that has been drilled with a bent sub-downhole motor assembly. The method includes moving a reamer with a body having a cylindrical section and a lower tapered section equipped with a plurality of cylindrical cutters on each section through the curved section, while being rotated by the drilling assembly to be used to continue drilling the well bore below the curved section.
    Type: Grant
    Filed: December 24, 1981
    Date of Patent: February 28, 1984
    Inventor: Ernest W. Moreland