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CCDC Petroleum Coring Technology Co., Ltd.

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South Section 2, Zhongshan Road, Guanghan, P.R.China , China

86-838-5151334

zhi wang

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By-pass ValveBy-pass valve is installed just above bit during normal drilling. When complicated sections encountered and thick mud needed for special operation, tCQP766 Coring BitCQP766 IADC Code: M732 1.PDC 2.Round Arc-crown with blade-like cutter distribution of Φ8.23mm is suitable for medium-to-hard abrasive formation.CQT405 Coring BitCQT405 IADC Code: MD6x5 1.Natural diamond 2.Double-cone crown design; 3.Natural diamond cutters of intermediate grain 4.It is suitable for medium tGCQB708 Coring BitGCQB708 IADC Code: M732 1.Round arc-crown and ridge insert cutter distribution. 2.Natural diamond internal and external gauge layout; high self-shar

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