-Jackup, Semisubmersible Drill Rig, Drill Ship, Drilling and completion: BOP, wet x-mass tree vs dry tree, ect. Tue, 21 Apr 2026 17:27:00 +0000 Tue, 21 Apr 2026 17:27:00 +0000 Offshore.VN | Diễn đàn kỹ sư Công Trình Biển http://offshore.vn/forums/c%C3%B4ng-tr%C3%ACnh-khoan-khai-th%C3%A1c-drilling.67/