世界天然气水合物资源勘探开发现状与展望

Status and Forecast of World′s Natural Gas Hydrate Exploration & Development

综述了世界天然气水合物资源状况(储量约为2×1016m3)、分布以及主要国家的勘探开发动向。介绍了天然气水合物的勘探方法(地球物理勘探法、地球化学勘探法、标型矿物法、自生沉积矿物学法等),以及天然气水合物的开发技术(加热法、降压法、添加化学剂法、驱替法等)。列举了世界天然气水合物开发项目的一些实例。对天然气水合物勘探开发前景进行了展望。

The paper gives a summary of world＇s natural gas hydrate resources situation（the reserves is 2× 10^16m^3） and distribution,and the exploration and development trends of major countries.The article also introduces the exploration methods of natural gas hydrate（including physical geography ,geochemistry exploration,typomorphic mineral,and authigenic sedimentary mineral technology） , and the development methods of natural gas hydrate （including heating method ,lowering pressure method ,chemicals adding technique ,and displacement method）.Finally,the paper lists some examples about the development projects of world＇s natural gas hydrate, and prospects the future of exploration and development of natural gas hydrate.