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地下贮存油和气在环境和安全方面的优点已为许多资料所证实。在许多情况下,地下贮存方法(如在海水淹没的监渍穹顶建筑内,在废弃的矿井中及在开采过的岩石洞穴内贮存)与在地面为贮藏目的而构筑的钢罐内贮存的方法比较,证明是有成本效益的。通常,在良好的岩石条件下,贮藏大量碳氢化合物产品的地下贮库成本低,成本最高可达地面选择方案的50—70%。在中等或软弱的岩石条件下,必须在同等情况的基础上对地面储罐与地下洞穴间的经济比较作出评价。成功的地下贮库的关键在于现实的土工技术方法的规定。此外,对于构筑成本来说,地下石油产品库在运行上的优点比类似的地面库多。这些优点是:维护费低,火灾少,占地少及极为均匀的贮存温度。
The environmental and safety advantages of storing oil and gas underground have been confirmed by many sources. In many cases, underground storage methods (such as in seawater flooded surveillance dome buildings, in abandoned mines and in mined rock caverns) and in steel tanks constructed for storage purposes on the ground In comparison, it proved to be cost-effective. In general, under good rock conditions, the cost of underground storage for storing large amounts of hydrocarbon products is low, and the cost can be as high as 50-70% of the ground selection option. Under moderate or weak rock conditions, the economic comparison between ground tanks and underground caverns must be evaluated on an equal basis. The key to successful underground storage lies in the provisions of the actual geotechnical method. In addition, for construction costs, the underground petroleum product bank has more operational advantages than a similar ground pool. These advantages are: low maintenance costs, less fire, small footprint and extremely uniform storage temperature.