Patents by Inventor Darcy Allan SCHULTZ

Darcy Allan SCHULTZ 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 of hydraulically fracturing a formation
    Patent number: 8668011
    Abstract: A method of hydraulically fracturing a formation comprises controlling a pump rate during hydraulic fracturing of the first section of the horizontal well bore during a first period to break down the formation while reducing pick up of sand positioned in the well bore; during a subsequent second period to pick up the sand positioned in the well bore generally at a rate at which the formation will accept the sand; and, during a subsequent third period to fracture the formation.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: March 11, 2014
    Assignee: Baker Hughes Incorporated
    Inventors: Lance William Mack, Daniel James Schlosser, Darcy Allan Schultz
  • METHOD OF HYDRAULICALLY FRACTURING A FORMATION
    Publication number: 20110127038
    Abstract: A method of hydraulically fracturing a formation comprises controlling a pump rate during hydraulic fracturing of the first section of the horizontal well bore during a first period to break down the formation while reducing pick up of sand positioned in the well bore; during a subsequent second period to pick up the sand positioned in the well bore generally at a rate at which the formation will accept the sand; and, during a subsequent third period to fracture the formation.
    Type: Application
    Filed: December 1, 2010
    Publication date: June 2, 2011
    Applicant: BJ SERVICES COMPANY CANADA
    Inventors: Lance William MACK, Daniel James SCHLOSSER, Darcy Allan SCHULTZ