Patents Assigned to A. C. Company
  • Patent number: 4295366
    Abstract: A drilling fluid monitoring system and method includes a pump stroke counter providing an electrical signal representing the volume of drilling fluid pumped into a well, a flow sensing device providing an electrical signal representing the volume of drilling fluid flowing out of the well, fluid level an electrical measuring device providing an electrical signal representing the fluid level changes within a tank, and a device receiving the electrical signals emitted by the pump stroke counter, flow sensor and measuring device to indicate changes in the circulation of the well drilling fluid.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: October 20, 1981
    Assignee: A. C. Company
    Inventors: Joseph T. Gibson, Gerald L. Duhon
  • Patent number: 4290305
    Abstract: A drilling fluid monitoring system and method includes a pump stroke counter providing an electrical signal representing the quantity of drilling fluid pumped into a well, a flow sensing device providing an electrical signal representing the flow of drilling fluid out of the well, fluid level an electrical measuring device providing an electrical signal representing the fluid level changes within a tank and a device receiving the electrical signals emitted by the pump stroke counter, flow sensor and measuring device to indicate changes in the circulation of the well drilling fluid.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: September 22, 1981
    Assignee: A. C. Company
    Inventors: Joseph T. Gibson, Gerald L. Duhon