"It is possible to navigate through international waters, Swedish waters and German waters," Allseas CEO Edward Heerema told Reuters on the sidelines of a conference. His firm lays the pipeline on the seabed.

"It is a small extra length, negligible, (and) there is small dredging work to be done. The cost would be no more than a few percent of the total cost. Less than five percent."

(Reporting by Lefteris Karagiannopoulos, writing by Gwladys Fouche, editing by Adrian Croft)

Stocks treated in this article : Gazprom PAO, OMV AG