Athabasca sells stake in oil sands project to partner PetroChina

CALGARY, Alberta, April 17 (Reuters) - Athasbasca Oil Corp said on Thursday it has exercised an option to sell its 40 percent stake in the planned Dover oil sands project to its partner PetroChina Co for C$1.32 billion ($1.20 billion) after the project received final approvals from the government of Alberta.