Small size bent housing screw drill with high build rate must be developed to meet the requirements of sidetracking the short to medium radius horizontal well.
螺杆钻具是其中的一项关键技术，其主要目的是研制满足侧钻中短半径水平井需要的小尺寸高造斜率的弯外壳螺杆钻具。
The company has machine tool of rigid numerical control equipment of burke of 300 much stage, entrances and equipment of efficient bent housing count lathe of 100 much stage, appearance stage;
公司现有精密数控机床100多台、仪表车床300多台、进口扣压设备及高效弯 管设备数台；
A heating portion of a heater is disposed inside the sump housing and bent at least one time.
加热器的一个加热部分设置在水箱外壳的内部，并至少弯曲一次。
The bent-housing motor is relatively rigid, so the geometric method can be used to calculate the build angle rate of steerable motor.
弯壳体导向钻具的刚性大、变形小，因此可采用几何法来计算造斜率。
The bent-housing motor is relatively rigid, so the geometric method can be used to calculate the build angle rate of steerable motor.
弯壳体导向钻具的刚性大、变形小，因此可采用几何法来计算造斜率。
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