Patents by Inventor Linlin ZENG

Linlin ZENG 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).

  • Test device for simulating longitudinal-lateral-torsional coupled nonlinear vibration of drill string of deepwater riserless drilling and method therefor
    Patent number: 11255745
    Abstract: The present invention discloses a testing device and method for simulating longitudinal-transverse-torsional coupled nonlinear vibration of a drill string in deep-water riser-free drilling. The testing device comprises a pool (1), a motor (2) and a hook load adjustment device (3), wherein a guide wheel (4) is provided on the top of the pool (1); a support seat A (5) and a support seat B (6) are fixed on the bottom surface of the pool (1); an organic glass tube (8) is fixed between the support seat A (5) and the support seat B (6); a casing (9) is respectively provided on the top surface of the support seat B (6) and the top surface of the trailer (7); the left end of the plastic tube (10) extends into the organic glass tube (8) along the axis of the organic glass tube (8). The present invention further discloses a simulation method.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: February 22, 2022
    Assignees: Southwest Petroleum University, Chengdu University of Technology
    Inventors: Jun Liu, Xiaoqiang Guo, Qingyou Liu, Yufa He, Anchao Wei, Linlin Zeng, Jianxun Wang
  • TEST DEVICE FOR SIMULATING LONGITUDINAL-LATERAL-TORSIONAL COUPLED NONLINEAR VIBRATION OF DRILL STRING OF DEEPWATER RISERLESS DRILLING AND METHOD THEREFOR
    Publication number: 20210199535
    Abstract: The present invention discloses a testing device and method for simulating longitudinal-transverse-torsional coupled nonlinear vibration of a drill string in deep-water riser-free drilling. The testing device comprises a pool (1), a motor (2) and a hook load adjustment device (3), wherein a guide wheel (4) is provided on the top of the pool (1); a support seat A (5) and a support seat B (6) are fixed on the bottom surface of the pool (1); an organic glass tube (8) is fixed between the support seat A (5) and the support seat B (6); a casing (9) is respectively provided on the top surface of the support seat B (6) and the top surface of the trailer (7); the left end of the plastic tube (10) extends into the organic glass tube (8) along the axis of the organic glass tube (8). The present invention further discloses a simulation method.
    Type: Application
    Filed: April 4, 2019
    Publication date: July 1, 2021
    Inventors: Jun LIU, Xiaoqiang GUO, Qingyou LIU, Yufa HE, Anchao WEI, Linlin ZENG, Jianxun WANG