Patents Assigned to ACT Technologies, Inc.
  • Method of drilling a borehole
    Patent number: 6994173
    Abstract: A method for drilling a borehole employing a drilling fluid including an additive comprising a glucose derivative with pH lowering acid, buffers and surface active agents. The drilling fluid additive preferably exhibits the following properties: activity of approximately 30%–45% in water solution; pH of about 4.5 to 5.5; a light amber to clear liquid appearance and a density of approximately 1.200 grams per cubic centimeter.
    Type: Grant
    Filed: May 19, 2003
    Date of Patent: February 7, 2006
    Assignee: ACT Technologies, Inc.
    Inventor: Jerry R. West