Extending the Life of Subsea Drilling Equipment Case Study: 4Subsea AS MSC Software | CASE STUDY Overview Subsea drilling is conducted through a string of steel pipe called a rigid riser that runs from the oil rig to the blowout preventer (BOP). The primary purpose of the BOP is to cut off the flow of oil in the event of an emergency during drilling. The BOP may be connected to the subsea well directly, which consists of a string of ve

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