Patents Assigned to CHINA PETROLEUM & CHEMICAL CORPORATION SOUTHWEST OIL & GAS COMPANY
  • Sleeve fracturing assembly, device using the same and method for using the same
    Patent number: 10450837
    Abstract: A sleeve fracturing assembly includes a composite sleeve and an opening tool. The composite sleeve and the opening tool can automatically engage with each other via teeth-shaped members arranged thereon so as to open the composite sleeve. A sleeve fracturing device includes a plurality of composite sleeves and opening tools, wherein each composite sleeve and opening tool can achieve unique engagement. A method of using the sleeve fracturing device is also described.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: October 22, 2019
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, CHINA PETROLEUM & CHEMICAL CORPORATION SOUTHWEST OIL & GAS COMPANY
    Inventors: Zhenwei Gan, Qiusheng Huang, Shan Ren, Guangquan Li, Jihao Wu
  • SLEEVE FRACTURING ASSEMBLY, DEVICE USING THE SAME AND METHOD FOR USING THE SAME
    Publication number: 20170234110
    Abstract: The present disclosure relates to a sleeve fracturing assembly including a composite sleeve and an opening tool. The composite sleeve and the opening tool can automatically engage with each other via teeth-shaped members arranged thereon so as to open the composite sleeve. The present disclosure further relates to a sleeve fracturing device, which includes a plurality of composite sleeves and opening tools, wherein each composite sleeve and opening tool can achieve unique engagement. The present disclosure still further relates to a method of using the sleeve fracturing device.
    Type: Application
    Filed: May 1, 2017
    Publication date: August 17, 2017
    Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, CHINA PETROLEUM AND CHEMICAL CORPORATION SOUTHWEST OIL AND GAS COMPANY
    Inventors: Zhenwei GAN, Qiusheng HUANG, Shan REN, Guangquan LI, Jihao WU
  • Sleeve fracturing assembly, device using the same and method for using the same
    Patent number: 9708889
    Abstract: A sleeve fracturing assembly includes a composite sleeve and an opening tool. The composite sleeve and the opening tool can automatically engage with each other via teeth-shaped members arranged thereon so as to open the composite sleeve. A sleeve fracturing device includes a plurality of composite sleeves and opening tools, wherein each composite sleeve and opening tool can achieve unique engagement. A method of using the sleeve fracturing device is also provided.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: July 18, 2017
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, CHINA PETROLEUM & CHEMICAL CORPORATION SOUTHWEST OIL & GAS COMPANY
    Inventors: Zhenwei Gan, Qiusheng Huang, Shan Ren, Guangquan Li, Jihao Wu
  • SLEEVE FRACTURING ASSEMBLY, DEVICE USING THE SAME AND METHOD FOR USING THE SAME
    Publication number: 20140124213
    Abstract: The present disclosure relates to a sleeve fracturing assembly including a composite sleeve and an opening tool. The composite sleeve and the opening tool can automatically engage with each other via teeth-shaped members arranged thereon so as to open the composite sleeve. The present disclosure further relates to a sleeve fracturing device, which includes a plurality of composite sleeves and opening tools, wherein each composite sleeve and opening tool can achieve unique engagement. The present disclosure still further relates to a method of using the sleeve fracturing device.
    Type: Application
    Filed: June 21, 2012
    Publication date: May 8, 2014
    Applicants: CHINA PETROLEUM AND CHEMICAL CORPORATION SOUTHWEST OIL AND GAS COMPANY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Zhenwei Gan, Qiusheng Huang, Shan Ren, Guangquan Li, Jihao Wu