نمایش نتیجه 1 تا 2 از 2 نتیجه یافت شده برای hold down effect:
n: The cutting is pressed in broken pit because liquid head affects bottom. It is an important factor of ROP.
n: during drilling ,because of the pressure difference of fluid column pressure in the well and formation pressure ,the cuttings hug closely to the bottom ,as a result ,the cuttings cant be flushed immediately .
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
