Invention Grant
- Patent Title: Method and apparatus for opening threaded joints of drilling equipment
- Patent Title (中): 打开钻孔设备螺纹接头的方法和装置
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Application No.: US13695922Application Date: 2011-05-03
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Publication No.: US09022142B2Publication Date: 2015-05-05
- Inventor: Tuomo Pirinen , Vesa Uitto , Miika Huikkola , Maunu Manttari , Sami Hanski , Isto Ahonen
- Applicant: Tuomo Pirinen , Vesa Uitto , Miika Huikkola , Maunu Manttari , Sami Hanski , Isto Ahonen
- Applicant Address: FI Tampere
- Assignee: Sandvik Mining and Construction Oy
- Current Assignee: Sandvik Mining and Construction Oy
- Current Assignee Address: FI Tampere
- Agent Corinne R. Gorski
- Priority: FI20105486 20100504
- International Application: PCT/FI2011/050407 WO 20110503
- International Announcement: WO2011/138511 WO 20111110
- Main IPC: E21B47/00
- IPC: E21B47/00 ; E21B44/00 ; E21B19/16 ; E21B1/00
Abstract:
The invention relates to a method and apparatus for opening threaded joints of drilling equipment (6) by striking the drilling equipment (6) with the percussion device of a rock drilling rig (1) and by measuring vibration originating from the drilling equipment (6) during striking. In addition to vibration, measuring means (9) measure a parameter defining at least one additional condition, on the basis of which the decision to stop striking is made.
Public/Granted literature
- US20130048378A1 METHOD AND APPARATUS FOR OPENING THREADED JOINTS OF DRILLING EQUIPMENT Public/Granted day:2013-02-28
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