To take apart, disassemble and otherwise prepare to move the rig or blowout preventers.

拆开、分解，准备移动钻机或者防喷器。

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The device that is attached to the blowout preventers during a frac job. Fluid and propping agent are pumped under pressure into the frac head and down the well.

在压裂作业期间装在防喷器上的装置。压裂液和支撑剂在压力下被泵入压裂头，并沿井向下流动。

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Blowout preventers are not new technology, but BP has had issues with them before.

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All this equates to a lot of captive opportunities to push products like pumps and compressors and blowout preventers.

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The book is a sane and salient interpretation of the mess of junk shots, top kills, ram blocks, boreholes, reamer shoes and blowout preventers.

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