技术规范 PRODUCT SPECIFICATIONS |
|
刀翼数量 Number of Blades |
3 |
牙轮数量 Number of roller cones | 3 |
切削齿数量 Cutter Quantity |
98 |
主切削齿尺寸 Primary Cutter Size |
16mm |
主切削齿数量 Primary Cutter Quantity |
30 |
保径长度 Gauge Length |
140mm |
排屑槽面积 Junk Slot Area |
20000mm2 |
连接扣型 Connection |
7 5/8 REG |
钻头重量 Bit Weight |
310KG |
喷嘴数量/类型 Nozzle Quantity/Type |
6NP+3PZ |
推荐参数 OPERATING RECOMMENDATIONS |
|
钻 压 Weight on Bit |
30~220 KN |
转 速 Rotatoin Speed |
50~250 RPM |
排 量 Hydraulic Flow Rate |
48~80 L/S |
上扣扭矩 Recommended Torque | 64.52~85.35 Kn•m |
设计特征 Design Features |
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■适应中硬-硬地层及夹层,可钻进燧石、砾岩、石灰岩、石英岩、花岗岩。 |
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Suitable for drilling soft to medium hard formations |
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■钻头体采用优质合金钢,具有极好的强度及韧性。表面强化,防止冲蚀,延长钻头使用寿命。 |
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Bit body is made of superior alloy steel which has excellent strength and toughness&Bit surface is reinforced in order to prevent erosion and prolong service life of the bit. |
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■可适用于有难度的定向井 |
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Suitable for difficult directional well. | |||||||
■抗冲击切削结构技术、辅助切削等技术的应用,增大了钻头适应范围 | |||||||
Applicable range of the bit is widened through utilization of technologies such as impact resistant cutting structure and auxiliary cutters, etc | |||||||
■井底流场模拟(CFD)水力平衡设计 |
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CFD hydraulic balance design. |
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