Patents Assigned to PCS Oilfield Services, LLC
  • SYSTEM, APPARATUS AND METHOD FOR ARTIFICIAL LIFT, AND IMPROVED DOWNHOLE ACTUATOR FOR SAME
    Publication number: 20180363432
    Abstract: Disclosed subject matter includes an artificial lift system including a rodless hydraulic pump actuator including an actuator housing assembly, an actuator piston assembly supported for reciprocal translation stroke movement relative to the actuator piston assembly, an actuator piston assembly production fluid passage extending through the actuator piston assembly, and a tubular coupling below the actuator housing assembly having a coupling flow passage to pass production fluid into the actuator piston assembly production fluid passage.
    Type: Application
    Filed: May 1, 2018
    Publication date: December 20, 2018
    Applicant: PCS Oilfield Services, LLC
    Inventors: Ed Purcell, Mark W. Rose, William W. Jackson, Cole W. Dunnam
  • System, apparatus and method for artificial lift, and improved downhole actuator for same
    Patent number: 9617838
    Abstract: A system, apparatus and method for artificial lift includes a hydraulic downhole rodless pump actuator.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: April 11, 2017
    Assignee: PCS Oilfield Services, LLC
    Inventors: Ed Purcell, Mark W. Rose, William W. Jackson, Cole W. Dunnam