Drilling system having a slot for underwater storage of a BOP assembly

摘要

The present invention relates to a drilling system having a slot for storing a BOP assembly in water, and the purpose of the drilling system is to suspend the BOP assembly in water for other drilling holes or for other purposes. A drilling system with a slot for underwater storage of the BOP assembly that allows the drill ship to be moved while the BOP assembly is suspended in the water without being lifted inside the hull when short distance travel is required There is to do. Therefore, the excavation system of the present invention is a derrick installed on a platform of a fixed structure or a floating structure; the excavation system is installed on the derrick, and a drill hole is formed on the sea floor, and a casing is formed on the formed drill hole. Activity to perform installation work of pipe assembly and BOP assembly; installed at the lower part of the derrick, and assembled with the riser and BOP together with the activity to form the BOP assembly, while supporting the formed BOP assembly A moving BOP trolley; and formed at the working end of the moon pool to extend parallel to the direction of movement of the BOP trolley, when the BOP assembly located in the water is moved by the BOP trolley or when the BOP assembly is A slot that prevents the riser from extending from the BOP assembly when it is moved to the storage location. Including the door.