Patents by Inventor Yuanwen Yao

Yuanwen Yao 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).

  • Publication number: 20140060839
    Abstract: A fracturing tool includes a container structure, and a puncher charge arranged in the container structure, where the puncher charge if detonated is configured to extend an opening through the container structure without creating a perforation tunnel in a formation surrounding the well. An energetic material is to be initiated by detonation of the puncher charge, where the energetic material upon initiation creates an increased pressure in the well to perform fracturing of the formation.
    Type: Application
    Filed: November 13, 2012
    Publication date: March 6, 2014
    Applicant: North Schlumberger Oilfield Technologies (Xi'an) Co., Ltd.
    Inventors: Changshuan Wang, Yuanwen Yao, Senyuan Li, Guofu Feng, Feng (Rock) Wang, Baoxing Wang
  • Publication number: 20130206385
    Abstract: A perforating apparatus includes a carrier, explosive devices mounted to the carrier, energetic cells arranged among the explosive devices, and a sleeve to receive at least a portion of the carrier, where the sleeve is formed of an energetic material.
    Type: Application
    Filed: February 15, 2012
    Publication date: August 15, 2013
    Inventors: Guofu Feng, Changshuan Wang, Oliver Han, Yuanwen Yao, Senyuan Li, Baoxing Wang, Feng Wang