Subsea caisson and method of installing same

摘要: A subsea caisson or silo for housing wellhead equipment and methods of installing it is disclosed. which sized to receive that remain has a closed top open bottom. The lowered the seabed hydrostatic pressure in combination with suction jet used remove internal soil. If required may include conical head located near bottom wall rotatable cutting heads are fixed its lower surface so as cut into sea material hard consistency.