Patents by Inventor Ryan, Bo Jia Wee

Ryan, Bo Jia Wee 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).

  • Continuous drilling system
    Patent number: 11454075
    Abstract: A lock plug (7A) is inserted into a plug installation position of an insertion hole (5a) of a tool stem (5) connected to a drill string (10), and when a fluid has flowed to the insertion hole (5a), a stopper (62) protrudes radially outward from a tool body (6) and is locked to a subsea wellhead (4) and an internal stopper (66) protrudes radially inward from the tool body (6) and is locked to the tool stem (5) in a lock state. An unlock plug is inserted into the plug installation position of the insertion hole (5a), and when the fluid has flowed into the insertion hole (5a), the stopper (62) is separated from the subsea wellhead (4) and the internal stopper (66) is separated from the tool stem (5) to release the lock state.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: September 27, 2022
    Assignees: Japan Agency for Marine-Earth Science and Technology, NuStar Technologies Pte Ltd
    Inventors: Tomokazu Saruhashi, Ikuo Sawada, Masanori Kyo, Takahiro Yokoyama, Noriaki Sakurai, Ryan Bo Jia Wee, Chamal Jayanath Seneviratne, Kim Kok Goi, Sim Guan Teo
  • CONTINUOUS DRILLING SYSTEM
    Publication number: 20200340318
    Abstract: A lock plug (7A) is inserted into a plug installation position of an insertion hole (5a) of a tool stem (5) connected to a drill string (10), and when a fluid has flowed to the insertion hole (5a), a stopper (62) protrudes radially outward from a tool body (6) and is locked to a subsea wellhead (4) and an internal stopper (66) protrudes radially inward from the tool body (6) and is locked to the tool stem (5) in a lock state. An unlock plug is inserted into the plug installation position of the insertion hole (5a), and when the fluid has flowed into the insertion hole (5a), the stopper (62) is separated from the subsea wellhead (4) and the internal stopper (66) is separated from the tool stem (5) to release the lock state.
    Type: Application
    Filed: January 15, 2019
    Publication date: October 29, 2020
    Inventors: Tomokazu Saruhashi, Ikuo Sawada, Masanori Kyo, Takahiro Yokoyama, Noriaki Sakurai, Ryan, Bo Jia Wee, Chamal Jayanath Seneviratne, Kim Kok Goi, Sim Guan Teo