鉆具型號 |
鉆頭、擴孔器標準 |
雙管鉆具及打撈器標準 |
鉆桿規格
(外徑*壁厚)mm |
鉆具設計孔深(米) |
巖心直徑
(鉆頭內徑) mm |
KAQ |
AQ |
KAQ |
∮44.5*∮4.8 |
500 |
27 |
KBQ |
BQ |
KBQ |
∮55.5*4.75 |
1000 |
36.5 |
KNQ |
NQ |
KNQ |
∮70.1*5.05 |
800 |
47.6 |
KHQ |
HQ |
KHQ |
∮89*5.6 |
600 |
63.5 |