Patents by Inventor Ah Chai LIM

Ah Chai LIM 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).

  • Patent number: 9708875
    Abstract: A wellhead plug and a method for using a wellhead plug are presented. The ahead plug includes a plug body having at least a locking module, multiple sealing members, and a threaded connection tool. The wellhead plug according to the present disclosure offers multiple advantages over existing technologies. For example, the device may serve duplex roles as a wellhead pressure plug and/or a connection test tool. The device may, for example, serve as a blowout preventer (BOP) connection test tool, as well as an emergency drill pipe hang off tool (EDPHOT). This Abstracts submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: July 18, 2017
    Assignee: NUSTAR TECHNOLOGIES PTE LTD
    Inventors: Ah Chai Lim, Chamal Jayanath Seneviratne, Kyaw Thet, Kim Kok Goi, Nur Adlina Binte Suhaimi, Sim Guan Teo
  • Publication number: 20150034338
    Abstract: A wellhead plug and a method for using a wellhead plug are presented. The ahead plug includes a plug body having at least a locking module, multiple sealing members, and a threaded connection tool. The wellhead plug according to the present disclosure offers multiple advantages over existing technologies. For example, the device may serve duplex roles as a wellhead pressure plug and/or a connection test tool. The device may, for example, serve as a blowout preventer (BOP) connection test tool, as well as an emergency drill pipe hang off tool (EDPHOT). This Abstracts submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
    Type: Application
    Filed: July 29, 2014
    Publication date: February 5, 2015
    Inventors: Ah Chai LIM, Chamal Jayanath SENEVIRATNE, Kyaw THET, Kim Kok GOI, Nur Adlina Binte SUHAIMI, Sim Guan TEO