Invention Grant
- Patent Title: Method and system for improving drilling speed by using drill speed vibration
- Patent Title (中): 使用钻速振动提高钻井速度的方法和系统
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Application No.: US13882982Application Date: 2012-03-16
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Publication No.: US09540881B2Publication Date: 2017-01-10
- Inventor: Zhichuan Guan , Yongwang Liu , Wenzhong Wei , Ben Guan , Yucai Shi , Hongning Zhang
- Applicant: Zhichuan Guan , Yongwang Liu , Wenzhong Wei , Ben Guan , Yucai Shi , Hongning Zhang
- Applicant Address: CN
- Assignee: CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Current Assignee: CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Current Assignee Address: CN
- Agency: Stoel Rives LLP
- Priority: CN201110101056 20110421; CN201110171384 20110623
- International Application: PCT/CN2012/072450 WO 20120316
- International Announcement: WO2012/142891 WO 20121026
- Main IPC: E21B7/18
- IPC: E21B7/18 ; E21B17/04 ; E21B21/06 ; E21B10/18
Abstract:
A system for improving a drilling speed by using drill string vibration comprises a downhole drill string vibration-reduction and supercharging device, and an ultra-high pressure bit device used for a downhole supercharger. Also disclosed is a method for improving a drilling speed by using drill string vibration. Related embodiments are also disclosed.
Public/Granted literature
- US20140166368A1 METHOD AND SYSTEM FOR IMPROVING DRILLING SPEED BY USING DRILL SPEED VIBRATION Public/Granted day:2014-06-19
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