In some cases, compressed air or steam is shipped down a properly to heat the remaining petroleum, which also increases strain. When the time comes for the rig to relocate, the crew pumps the water back out of the barges, causing them to float again as much as the surface and push the stilted platform up into the air. Nevertheless, on condition that drilling barges basically just float on the surface, they're only suitable for calm waters. On the surface, Công ty xây nhà trọn gói Quy Nhơn a circulation system filters the mud earlier than sending it back down the well. The adjustments are made out there within the Nodediff information, which then trickle again the opposite manner to each Node within the system. To handle these events, petroleum corporations install a blowout prevention system (BOP) on the seafloor.