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annular blowout preventer

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price: Negotiable
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Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-13 18:04
Browse the number: 28
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Annular blowout preventer is an important part of well control device. Its mainly use is to control wellhead pressure in drilling, workover and formation testing, preventing blowout accident. Annular blowout preventer can only be used with matched blowout preventer hydraulic control device.
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