Patents by Inventor Guy William FAREBROTHER

Guy William FAREBROTHER 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).

  • Downhole pumping apparatus and method
    Patent number: 10066468
    Abstract: An apparatus including a sealing device for sealing a wellbore, a first pump for pumping fluids from a lower wellbore section, a pump drive powered using wellbore gas, a gas inlet for supplying the pump drive with wellbore gas, and a gas outlet for exhausting wellbore gas to an upper wellbore section from the pump drive. The apparatus may further include a second pump for pumping fluids from the upper wellbore section into the lower wellbore section, a vent for venting wellbore gas to the upper wellbore section, and a switch for controlling the pump drive. A method for moving fluids in a wellbore including sealing the wellbore, supplying wellbore gas to a pump drive and driving a first pump with the pump drive. The method may further include driving a second pump with the pump drive and venting the wellbore gas to an upper wellbore section.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: September 4, 2018
    Assignee: LIFTECK INTERNATIONAL INC.
    Inventors: Guy William Farebrother, Serge Gilbert Bonnet, Rodney K. Ridley
  • DOWNHOLE PUMPING APPARATUS AND METHOD
    Publication number: 20160130920
    Abstract: An apparatus including a sealing device for sealing a wellbore, a first pump for pumping fluids from a lower wellbore section, a pump drive powered using wellbore gas, a gas inlet for supplying the pump drive with wellbore gas, and a gas outlet for exhausting wellbore gas to an upper wellbore section from the pump drive. The apparatus may further include a second pump for pumping fluids from the upper wellbore section into the lower wellbore section, a vent for venting wellbore gas to the upper wellbore section, and a switch for controlling the pump drive. A method for moving fluids in a wellbore including sealing the wellbore, supplying wellbore gas to a pump drive and driving a first pump with the pump drive. The method may further include driving a second pump with the pump drive and venting the wellbore gas to an upper wellbore section.
    Type: Application
    Filed: May 28, 2013
    Publication date: May 12, 2016
    Applicant: LIFTECK INTERNATIONAL INC.
    Inventors: Guy William FAREBROTHER, Serge Gilbert BONNET, Rodney K. Ridley