THE ON-LINE ANALYTICAL TECHNOLOGY OF LIGHT HYDROCARBON IN GAS SOURCE ROCK THERMAL SIMULATION RESOLVING PRODUCTS

Making use of the on-line analytical technology,the light hydrocarbons in high mature hydrocarbon source rock thermal simulation resolving products were analyzed.The result shows that the amount of generated light hydrocarbon increases with the simulation temperature rises.For the samples with high maturity,the parameters of mature degree of the light hydrocarbons have little change.Parameters indicating organic matter type have regular changes within the original scope of judge.But the benzene index can't be used as a judge parameter of organic matter type for high mature hydrocarbon source rock.By applying increasing the thermal simulation temperature to obtaining the composition characteristics of C₆-C₇ light hydrocarbons,the reliable parameters of organic matter type,maturity and oil/gas-source correlation of high-over mature source rock can be offered.