Patents Assigned to Edwin Cox
  • Method of determining subterranean formation fracture orientation
    Patent number: 4529036
    Abstract: A method of determining the orientation of a fracture or fractures created in a subterranean formation penetrated by a wellbore is provided. The method comprises creating a fracture in the formation extending from a lower end portion of the wellbore and then removing a location orientated core containing a portion of the fracture from the wellbore to thereby determine the orientation of the fracture in the formation.
    Type: Grant
    Filed: August 16, 1984
    Date of Patent: July 16, 1985
    Assignees: Halliburton Co, Berry Cox, Edwin Cox
    Inventors: Abbas A. Daneshy, Pat T. Chisholm, Dan A. Magee, Gary L. Slusher