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 design method for steerable-motor assemblies using the geometric build Angle rate was proposed, and the correlative formulae and some design examples were given.
同时提出了利用几何造斜率设计导向钻具组合的方法，给出了相关的计算公式和一些设计实例。
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