- Patent Title: Apparatus and method for testing drilling efficiency of drill bit
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Application No.: US15108518Application Date: 2014-05-01
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Publication No.: US10041861B2Publication Date: 2018-08-07
- Inventor: Jung-Woo Cho , Dae-Young Shin , Jae-Wook Lee , Joo-Young Oh , Jin-Young Park , Ki-Beom Kwon , Chang-Heon Song
- Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
- Applicant Address: KR Cheonan-si, Chungcheongnam-do
- Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
- Current Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
- Current Assignee Address: KR Cheonan-si, Chungcheongnam-do
- Agency: McDermott Will & Emery LLP
- Priority: KR10-2014-0000844 20140103
- International Application: PCT/KR2014/003905 WO 20140501
- International Announcement: WO2015/102165 WO 20150709
- Main IPC: E21B10/36
- IPC: E21B10/36 ; E21B10/42 ; E21B10/43 ; G01F22/00 ; G01L5/00 ; G01M99/00 ; G01N3/303
Abstract:
An apparatus and a method for testing drilling efficiency of a drill bit, according to the present invention, calculate an amount of fractured rock according to a button arrangement, thereby obtaining an optimum button arrangement.
Public/Granted literature
- US20160320267A1 APPARATUS AND METHOD FOR TESTING DRILLING EFFICIENCY OF DRILL BIT Public/Granted day:2016-11-03
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