●采用IDS等间距设计模型;
●采用C3、P3/P4、G2/G3冠型,强化内锥、肩部布齿密度, 预防井壁缩径;
●采用T4、T5高性能复合片,提高耐磨性能;
●采用H2 水力结构设计,提高齿面冷却效果;
●采用多刀翼设计技术;
●采用B13、BA辅助设计,提高钻头稳定性以及肩部耐磨能力。
·AdoptingIDS equidistant design models;
·UsingC3,P3/P4,G2/G3 crown types to strengthen the internal cone and shoulder tooth density, preventing wellbore contraction;
·Using T4,T5 high-performance cutters to enhance wear resistance;
·Applying H2 hydraulic structure design to improve tooth surface cooling effect;
·Implementing multi-blade design technology;
·Implementing B13,BA auxiliary design to improve drill stability and shoulder wear resistance.
尺寸范围Size Range:34”~17W”
地层 Formation | IADC | 岩性 Lithology | 钻头选型 Bits Selection |
中硬
Medium to Hard |
M323/S323 M333/S333 |
砂砾岩、云岩、灰岩 Sandstone,Dolomite,Limestone | M/S516*H、/S616*H M/S513*H、M/S613*H |
硬 Hard |
M423/S423 M433/S433 | 凝灰岩、花岗岩、粉砂岩、白云岩 Tuff,Granite,Siltstone,Dolomite | M/S716*H、/S613*H M/S713*H、M/S813*H |
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