Patents Assigned to Beijing Jinsuodao Investment and Consulting Co., Ltd.
  • Patent number: 6637507
    Abstract: The invention relates to a process for continuously perforating in a wellbore comprising the following steps of determining a location to be perforated in the wellbore proximate an oil formation; placing an apparatus comprising a plurality of charges to said location in the wellbore; and continuously conducting perforation at said location with said charges in the apparatus. The invention also provides an apparatus for specifically performing the process, which comprises a transmitting system, a positioning system and a controlling system. The process and the apparatus can be used in a poor condition of the formation.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: October 28, 2003
    Assignee: Beijing Jinsuodao Investment and Consulting Co., Ltd.
    Inventor: Xueyi Cong