Patents Assigned to North Schlumberger Oilfield Technologies (Xi'an) Co., Ltd.
  • FRACTURING A WELL FORMATION
    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