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- Fri Oct 18, 2019 6:15 am
- Forum: Oil Well Drilling Engineering
- Topic: Drillsting Design Problem
- Replies: 0
- Views: 2906
Drillsting Design Problem
The power of a rig drawworks is 311 hp, knowing that ten lines are strung between the crown block and travelling block, and fast line has a velocity 14.22 ft/s; calculate The maximum real weight of the drill string which can be pulled out of the hole in a velocity of 3 in/s, if the drilling fluid ha...