Specification :

Single Ram BOP can complete following operation ` when there is drill string in the well , Seal the annular space between the well and drill pipes with fitting half-bland ram.aSeal the well with fitting bland ram when there is nothing in the well.. b When the well is closed, the manifold can be connected to its outlet on the shell to make special operating such as mud circulation or throttling and blowing out or killing etc..

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