The shear rams of a MODU blowout preventer stack are used in emergency well control to __________.
Official USCG Answer & Rule Citation
Correct Answer: Option D — cut off pipe inside the preventer stack
Shear rams on a MODU blowout preventer stack feature hardened steel blades designed to physically shear and cut through drill pipe, casing, or tubing inside the wellbore during extreme emergency well control situations when standard pipe rams cannot contain formation pressure.
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