The reservoir geochemistry is used to analyse reservoir fluid heterogeneity in Yacheng 13-1 gasfield,and the mixed gas sources of the field are studied in combination with homogenization temperature of fluid inclusion...The reservoir geochemistry is used to analyse reservoir fluid heterogeneity in Yacheng 13-1 gasfield,and the mixed gas sources of the field are studied in combination with homogenization temperature of fluid inclusions and organic-facies of souce rocks.It can be concluded that there is a mixing of gases which derived from two different hydrocarbon kitchens and generated in various maturation stages in Yacheng 13-1 field.From the south block(3 and 6 well areas) to the north block(4well area to 1 and 2 well areas),the gas shows a gradual decrease in features of oil-prone organic matter(contribution of hydrobios),a gradual increase in features of coal-forming facies(contribution of terrigenous sediment)and a rise in thermal maturity.展开更多
文摘The reservoir geochemistry is used to analyse reservoir fluid heterogeneity in Yacheng 13-1 gasfield,and the mixed gas sources of the field are studied in combination with homogenization temperature of fluid inclusions and organic-facies of souce rocks.It can be concluded that there is a mixing of gases which derived from two different hydrocarbon kitchens and generated in various maturation stages in Yacheng 13-1 field.From the south block(3 and 6 well areas) to the north block(4well area to 1 and 2 well areas),the gas shows a gradual decrease in features of oil-prone organic matter(contribution of hydrobios),a gradual increase in features of coal-forming facies(contribution of terrigenous sediment)and a rise in thermal maturity.
