However, on September 29, 2004, the two foreign partners in the joint venture, Royal Dutch/Shell and Unocal Corporation, announced their withdrawal citing doubts over the commercial viability of the resources in the area and the territorial dispute.
但是2004年9月29日，合作中的两家外国合作伙伴，荷兰皇家/壳牌集团和优尼科宣布退出，并怀疑该领域的资源的商业生存能力。