Grouting system and arrangement for offshore structure

摘要

An inflatable seal is first effected adjacent the lower end of the annular space between a piling and a jacket of a supporting leg of an offshore structure and thereafter grouting material is inserted into the annular space between the jacket and the piling. After the seal has been effected, means trap inflating fluid in the seal adjacent the lower end of the annular space while grouting material is discharged into the space.