Signs are emerging that a long-neglected swathe of West Africa’s Transform Margin may soon awaken to renewed exploration interest, tempting back industry players after several years of inactivity, promises and false dawns.

Woodside Petroleum’s SNE field off Senegal and BP’s Greater Tortue-Ahmeyim gas play off Senegal and Mauritania on the northern shelf edge look set to surmount all obstacles, restoring confidence in a fairway reaching to the Senegal-Guinea-Bissau joint development zone right through to Liberia’s Harper basin.