It could be one or two decades before thecountry sees any oil production due to high costs and long lead times onprojects, Hans Kristian Olsen, managing director of national oil companyNunaoil, said at an Arctic summit in London on Tuesday.

Greenland awarded four blocks in its harshnorth-east region late last year, with US supermajor Chevron, Anglo-Dutchsupermajor Shell, Japanese consortium GreenPex and Nunaoil picking up blocks