Patents by Inventor William V. Grieser

William V. Grieser 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).

  • Horizontal well fracture stimulation methods
    Patent number: 5894888
    Abstract: The present invention relates to improved methods of forming spaced fractures in a subterranean zone penetrated by a horizontal well bore. The methods include the steps of placing an open ended solid liner in the horizontal well bore, pumping a fracturing fluid through the open end of the liner to create fractures in the zone adjacent to the open end, forming perforations in the liner at a selected position spaced from the previously created fractures and pumping a fracturing fluid through the perforations to create additional fractures in the zone.
    Type: Grant
    Filed: August 21, 1997
    Date of Patent: April 20, 1999
    Assignees: Chesapeake Operating, Inc, Halliburton Energy Services, Inc.
    Inventors: Timothy O. Wiemers, Walter B. Hill, William V. Grieser