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DRILL BITS
E Series
Release time:2017/6/13 11:09:01 Read:664

E Series

1.Discontinuous cutting structure provides the better penetration of bit. Deep junk slot design improves removal and

cleaning efficiency of cuttings to avoid bit balling.
2.Through orderly distribution method, the impregnated matrix manufactured by large grain size diamond enhances the
overall performance of bit. One CEW8A1 impregnated bit drilled 36.03m in Zhenzhuchong formation which contains
more than 90% quartz in Long 111-X well in Sichuan Province reaching the domestic advanced level.
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