نمایش نتیجه 1 تا 9 از 9 نتیجه یافت شده برای bit weight:
n: The device that can control the bit weight automatically during drilling.
n: The equipment controlling the bit weight automatically during drilling.
the applied downhole axial force component from the string weight.
وزن نما
n: the drilling pressure needed when the power of turbine in the bottom reach the maximum value during turbine drilling
n: The rock be breaked into big blocks,when bit weight per unit area equal to or exceed the hardness of rock.
The reasonable match of bit weight and rate of drilling in the process of drilling .
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