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Drilling
Open rotary tool of drill pipe
- Type:Drilling
- CAS No:
- Qty in 20' FCL:
- Min. Order:
- Packaging:
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主要规格：23/8”、 27/8”、 31/2”、 41/2”、 5”、 51/2”
适用于：23/8”、 27/8”、 31/2”、 41/2”、 5”、 51/2” 钻杆
- Open rotary tool of drill pipe is advantage than the rotary tool of drill pipe, because the rotary tool ob drill pipe has some shortcoming: when drill pipe is log up the rotary and the down drill pipe can’t be descend, it is difficulty that rotary tool of
