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| GEOLOGICAL IMPLICATIONS OF RADON GAS |
| LI Guang-zhi,GAO Wei,JIANG Hao,ZHUANG Yuan |
| Hefei Training and Testing Center of Assets Management Ltd. of China Petrochemical Corporation, Hefei 230022, China |
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Abstract As radon gas has such physical-chemical characteristics as reluctance to liquidation, good stability and strong dispersion capacity, it can not only concentrate in the natural gas accumulation but also migrate vertically to the surface. Radon has three kinds of sources: atmospheric radon, crust-derived radon and mantle-derived radon. 3He is derived mainly from the mantle, 4He comes mainly from the crust, and R/Ra is commonly used to signify the source of radon. Radon gas has rich natural gas geological implications: the surface radon gas concentration has certain oil-gas indication significance, and the isotopic distribution characteristic value of radon gas R/Ra has such geological implications as the indication of the oilgas structural environment and fault zone and the implication of the genesis of the CO2 gas accumulation.
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Published: 10 April 2009
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