| Reservoir formation water is widely distributed in Damintun sag, and it has closely connection with accumulation and evolution of reservoir. Character of formation water can reflect many things directly, such as the degree of leaching, evaporation and concentration of water in rocks, and opening degree of construction. Therefore, understanding of reservoir formation water has important practical meaning and theoretical significance on the understanding the formation of petroleum, transformation, migration, accumulation, preservation and distribution problems exploration.On the study of water features of four fracture belt system in Damintun sag, it can provide scientific and practical data for every oilfield gas exploration in Damintun.Through research papers in Damintun sag of formation water different reservoirs, determine the characteristics of different tectonic belt of formation water distribution situation and nature; Meanwhile, comprehensively and systematically study the stratigraphic water salinity depression, heavy root and chlorine root index in vertical, horizontal and different structural parts change rules on.In addition, in the process of research papers for deepening understanding, looking for high quality reserves basin in damintun sag, collected in a lot of try oil material, and using statistical analysis method, establishes the formation water properties and try the connection between the oil conclusion, which features of formation water in damintun sag study lays a foundation. In short, this research through the damintun sag formation development situation, the tectonic characteristics and evolution of the foundation of the petroleum geologic conditions is studied, and the formation of formation water was studied, and the source of formation water and further research on the plane and vertical variation, and in statistical region-wide try oil material is developed on the basis of formation water nature and the relationship between try oil conclusion. |
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