The 4.9-kilometre pipeline section, which is to serve as a conduit for the gas pipeline between the Bellanaboy gas processing facility to the offshore pipeline landing valve at Glengad, reached its total length on Wednesday, junior partner Vermillion Energy of Canada said.

The tunneling was carried out by a joint venture between BAM Civil and Wayss & Freytag, both of which are subsidiaries of the Dutch BAM group.

Vermillion