The Oil And Water Distribution Rule And Main Controlling Factors Of Ⅲ Oil Group Of He 3 Period Of Henan Jinglou Central District

Henan Jinglou oilfield is located in the Jinglou anticline of the western slope belt of Biyang sag and GaoZhuang nose-like structure belt, and the southern oil deposit anticlinal gives priority to the faulted anticline. This research mainly study the oil and water distribution rule and its main controlling factors of Ⅲ oil group of He 3 period of Jinglou central district.Comprehensively using drilling geology, well logging and thin section analysis, heavy mineral data,well testing data and production dynamic data,rethink the oil-water distribution rule and main controlling factors of Ⅲ oil group of He 3 period of Jinglou central district. On the control of standard layer and standard well, using the principle of "cycle comparison and decentralized control", the reservoir subdivision and comparison has been conducted, the Ⅲoil group of He 3 period of Jinglou central district is divided into 11 small layers and 20 single layers, the boundaries of each layer of the whole area has been unified.We also study the distribution rule and intersection superimposed relationship of the each layer sandbody,which is controlled by the multiple source.Through the analysis of the sedimentary microfacies, light and heavy mineral,formation, sandstone thickness and sand ratio, the study area has the characteristics of multiple source, and the source mainly comes from the north or northwest Gucheng delta system and the southeast Changqiao fan delta system, the secondary source comes from the southeast and southwest, on the system of multiple source, the sand body distribution of each small layer is relatively complex, the development of sand body, connectivity and superimposed of each area exist significant difference. Granularity, thin section and physical property analysis show that the reservoir physical property of the objective interval is good,which mainly belongs to high porosity and high permeability, medium to high porosity and medium to high permeability reservoir, and a few belongs to extra-high porosity and extra-high permeability reservoir, the distribution of the high porosity and high permeability on the plane basically has the correspondence with the distribution of lithology and thickness sand. Through the study of sand body distribution rule, interlayer insulation distribution characteristics, sedimentary microfacies, reservoir heterogeneity, oil and water distribution rule, find out the reservoir geological characteristics, oil-water distribution rule and the main controlling factors, we get the comprehensive understanding of the oil deposit features.