Patents Assigned to ZL EOR Chemicals Ltd.
  • Patent number: 11850560
    Abstract: A polymer dispersion system for use in a hydraulic fracturing operation is disclosed. The system comprises (a) a tank assembly comprising an ingress, an egress, and an interior volume for collecting mother solution; (b) a first transfer pump coupled with the egress of the tank assembly: and (c) a second transfer pump coupled with the egress of the tank assembly. The first transfer pump is configured for coupling to a missile unit and a blender unit downstream thereof, but in fluid communication with only one of such units at any given time when coupled. A method of operating said polymer dispersion system is also disclosed.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: December 26, 2023
    Assignee: ZL EOR CHEMICALS LTD.
    Inventors: Fang Fang Liu, Songyin Liu
  • Patent number: 11148106
    Abstract: A polymer dispersion system for use in a hydraulic fracturing operation is disclosed. The system comprises: (a) a first sub-system comprising an ingress and an egress; (b) a second sub-system comprising an ingress and an egress; (c) an eductor mixing device comprising a first inlet in fluid communication with the egress of the first sub-system, a second inlet in fluid communication with the egress of the second subsystem, and an egress; (d) a tank assembly comprising an ingress and an egress, the ingress of the tank assembly being in fluid communication with the egress of the eductor mixing device; and (e) a transfer sub-system comprising an ingress that is coupled to the egress of the tank assembly. The transfer sub-system comprises a first transfer pump and a second transfer pump. In addition, method for operating the polymer dispersion system is disclosed.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: October 19, 2021
    Assignee: ZL EOR Chemicals Ltd.
    Inventors: Fang Fang Liu, Songyin Liu