论文部分内容阅读
概述了热释光的形成机理。从放射性方法探测油气藏的原理出发 ,提出了海洋沉积物热释光探测天然气水合物的可能性。对采自中国南海、东海的海底沉积物进行了有机烃、金属元素和热释光分析。结果表明 ,热释光与有机烃类呈正相关 ,天然气水合物形成和分解产生的碳酸钙、硫酸钙及硫酸钡沉淀是很好的热释光晶体 ,在矿物结晶过程中加入的微量金属元素对热释光起到调节作用。热释光不受有机污染的影响 ,灵敏度高 ,是很有前景的寻找天然气水合物的方法
The formation mechanism of thermoluminescence is summarized. Based on the principle of radioactive exploration of oil and gas reservoirs, the possibility of detecting the gas hydrate with thermoluminescence of marine sediments is proposed. Seabed sediments collected from the South China Sea and the East China Sea were analyzed for organic hydrocarbons, metal elements and thermoluminescence. The results show that the thermoluminescence is positively correlated with organic hydrocarbons. Calcium carbonate, calcium sulfate and barium sulfate precipitates produced by the formation and decomposition of natural gas hydrate are very good thermoluminescence crystals. The trace metal elements added during the crystallization of minerals TL plays a regulatory role. Thermoluminescence is not affected by organic pollution, high sensitivity, is a very promising way to find natural gas hydrates