Wire-line core barrel is a drilling tool that retrives core from the drill pipe without lifting the drill. The complete set of drill tools includes: drill assembly, fishing tool, drill pipe, winch, picker, gripper and free clamp. It has the advantages of high drilling efficiency, high core taking rate, long bit life and low labor intensity. As the drilling deepens, the advantage becomes more obvious.
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Leaders of Chinalco Guangxi Corporation, alumina plants, and technology development units and other visiting personnel conducted technical exchanges in terms of alumina production technical data, process index improvement, and technological innovation. The two sides believe that they have benefited from the exchange of visits and exchanges. They are willing to continue this mechanism for a long period of time and extend the technical exchange to aluminum electrolysis and processing. The two sides agreed that the next time for technical exchanges should be initially set for October 2009. The venues are France and Greece, respectively. The key topics for exchange are energy conservation and emission reduction.
Minerals _ Rio Tinto Alcan and Hellenic Aluminum experts to Chinalco Guangxi Branch for technical exchanges
Recently, three people including Rio Tinto Alcan (AP, the original Alcoa) company and Mr. Y. Occelé„„lo, an expert of Greek Aluminum Corporation, visited Chinalco Guangxi Branch to conduct annual alternating visits. Technical communication activities.