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The 13th China International Petroleum & Petrochemical Technology and Equipment Exhibition (CIPPE) [ 2017-10-24 ]
The 12th Moscow International Oil & Gas (MIOGE) Exhibition [ 2017-10-24 ]
The 16th Abu Dhabi International Petroleum Exhibition (ADIPEC) [ 2017-10-24 ]
The 9th Oil & Gas Indonesia (OGI) Exhibition [ 2017-10-24 ]
The 10th ASCOPE Conference & Exhibition in Vietnam [ 2017-10-24 ]
Rational use of roller bit [ 2017-10-19 ]
Guide to the use of diamond drills [ 2017-10-19 ]
Making material of roller bit [ 2017-10-19 ]
How to replace damaged cone [ 2017-10-19 ]
A great deal of technical breakthroughs have made PDC bits become the backbone of drilling [ 2017-10-19 ]
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