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Blowout preventer stack
1. Annular BOPs
2. Stripping rams
3. Safety ram (s)
4. Shear or cutter rams
5. Blind/Shear rams
6. Slip rams
7. Stripping BOP stacks
8. Snubbing BOP stacks
9. Circulating port (cross or flow tee) and valves
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Stripping BOP stacks,是什么?Snubbing BOP stacks呢? |
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