伴随着人类进入21世纪的历史进程，世界各国以经济和科技实力为基础而展开的综合国力竞争日益激烈。石油作为重要的能源，制约着各国社会和经济的发展。随着世界范围内油气开采难度的逐渐增大和现代科学技术的迅猛发展，当前国际上争夺油气资源的竞争，实质上已表现为先进的石 Accompanying the historical process of mankind’s entry into the 21st century, the overall national strength of various countries in the world, which is based on the economic and scientific and technological strength, has become increasingly fiercely competitive. As an important source of energy, oil constrains the social and economic development of all countries. With the increasing difficulty of oil and gas exploitation in the world and the swift and violent development of modern science and technology, the current international competition for oil and gas resources has shown itself as an advanced stone