Hydraulic Drilling Diverter System 29 1/2" with hydraulic control system
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... driling before BOP. The diverter assembly is the uppermost component of the riser system.It is not used to shut or seal the well completely, but to either direct the returning drill fluid or control the blowout and surface layer gas.When encountering the...
Dongying Oilman Machinery Equipment Co.,Ltd.
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