Patents by Inventor Teng Oon Tan

Teng Oon Tan 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: 9828823
    Abstract: A hang-off system for suspending a rod string within a well is provided. In one embodiment, such a system includes a hang-off ram of a blowout preventer and a hang-off sub sized to fit within a bore of the blowout preventer. The hang-off ram and the hang-off sub have complementary surfaces that enable the hang-off ram to engage the hang-off sub within the blowout preventer to facilitate suspension of a sucker-rod string in a well from the hang-off sub. Additional systems, devices, and methods are also disclosed.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: November 28, 2017
    Assignee: Cameron International Corporation
    Inventor: Teng Oon Tan
  • Publication number: 20150275610
    Abstract: A hang-off system for suspending a rod string within a well is provided. In one embodiment, such a system includes a hang-off ram of a blowout preventer and a hang-off sub sized to fit within a bore of the blowout preventer. The hang-off ram and the hang-off sub have complementary surfaces that enable the hang-off ram to engage the hang-off sub within the blowout preventer to facilitate suspension of a sucker-rod string in a well from the hang-off sub. Additional systems, devices, and methods are also disclosed.
    Type: Application
    Filed: April 1, 2014
    Publication date: October 1, 2015
    Inventor: Teng Oon Tan