Patents by Inventor Simiao LIU

Simiao LIU 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).

  • Drilling system and method of submarine drilling rig
    Patent number: 11428048
    Abstract: The present invention discloses a drilling system and method of a submarine drilling rig, relating to the technical field of drilling equipment. The system includes a barge, an umbilical cable, a submarine device and a drilling device; where the barge is loaded with a pneumatic-electric-hydraulic control device and a mud treatment device which are respectively connected to the submarine device through the umbilical cable; and the submarine device includes a submarine traveling device, a coiled tubing roller, a derrick, a centralized valve seat, a drill bit replacement device, a wellhead device and a casing rack. The centralized valve seat is connected to the umbilical cable for shunting mud, cement and electrical signals conveyed by the umbilical cable. The derrick is installed above the wellhead device, respectively matched with the drill bit replacement device and the casing rack for replacing drill bits and conveying and withdrawing casings.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: August 30, 2022
    Assignee: CHINA UNIVERSITY OF PETROLEUM
    Inventors: Wensheng Xiao, Junguo Cui, Lianpeng Mei, Han Pang, Jian Liu, Yongtian Kang, Haiyang Zhao, Wenqiang Zou, Simiao Liu, Linchuan Zhang, Kang Li
  • DRILLING SYSTEM AND METHOD OF SUBMARINE DRILLING RIG
    Publication number: 20200270951
    Abstract: The present invention discloses a drilling system and method of a submarine drilling rig, relating to the technical field of drilling equipment. The system includes a barge, an umbilical cable, a submarine device and a drilling device; where the barge is loaded with a pneumatic-electric-hydraulic control device and a mud treatment device which are respectively connected to the submarine device through the umbilical cable; and the submarine device includes a submarine traveling device, a coiled tubing roller, a derrick, a centralized valve seat, a drill bit replacement device, a wellhead device and a casing rack. The centralized valve seat is connected to the umbilical cable for shunting mud, cement and electrical signals conveyed by the umbilical cable. The derrick is installed above the wellhead device, respectively matched with the drill bit replacement device and the casing rack for replacing drill bits and conveying and withdrawing casings.
    Type: Application
    Filed: February 21, 2020
    Publication date: August 27, 2020
    Inventors: Wensheng XIAO, Junguo CUI, Lianpeng MEI, Han PANG, Jian LIU, Yongtian KANG, Haiyang ZHAO, Wenqiang ZOU, Simiao LIU, Linchuan ZHANG, Kang LI