casing bit 中文意思是什麼
casing bit
解釋
下套管用鉆頭-
8 it can be used with various drilling method such as carbide bit drilling, anger drilling, dth hammer drilling, follow - up casing drilling etc. 3
8鉆機可適用多種鉆進工藝方法,如合金回轉鉆進螺旋鉆進潛孔錘鉆進跟管鉆進等。 -
8 it can be used with various drilling methods such as carbide bit drilling, anger drilling, dth hammer drilling and follow - up casing drilling etc. 3
8鉆機可適用多種鉆進工藝方法,如合金回轉鉆進螺旋鉆進潛孔錘鉆進跟管鉆進等。 -
8 the rig is suitable for various drilling methods such as carbide bit drilling, auger drilling, dth hammer drilling, follow - up casing drilling, etc. 3
8鉆機可適用多種鉆進工藝方法,如合金回轉鉆進螺旋鉆進潛孔錘鉆進跟管鉆進等。 -
12 trip up at once, pull the bit into the casing
立即起鉆,將鉆頭提到套管內。
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