Abstract
Fuyu oil layer of an oilfield is an ultra-low permeability oil layer. The remarkable characteristics of this oil layer are poor physical properties, low single well production, 2-4 layers of sand body longitudinally, large change frequency of plane upper layer and continuous characteristics. In order to realize effective oil layer development and ensure effective reservoir utilization. According to the poor physical properties of this oilfield, this paper analyzes the microscopic and macroscopic responsiveness of the reservoir, ensures effective permeability and thickness of permeable sand body, quantificationally depicts the plane distribution of permeable sand body, and effectively determines the distribution range of the reservoir according to the description of single sand body, thus providing a good technical means for subsequent scale production.
Highlights
The structure of an oil field is located in the syncline axis and East Wing of the central depression area of the basin
The main purpose of development is Fuyu oil layer, which is characterized by poor reservoir physical properties and low single well productivity, which is very unfavorable to the development of the oil field [1,2,3]
In order to ensure the productivity and realize the utilization of oilfield resources, it is necessary to strengthen the use of fine characterization technology of single sand body in fluvial reservoirs, strengthen the research on related rockelectricity relationship, realize quantitative characterization of permeable sand body, promote the promotion of local resource development potential, and lay a foundation for the improvement of economic benefits in this area
Summary
The structure of an oil field is located in the syncline axis and East Wing of the central depression area of the basin. In order to ensure the productivity and realize the utilization of oilfield resources, it is necessary to strengthen the use of fine characterization technology of single sand body in fluvial reservoirs, strengthen the research on related rockelectricity relationship, realize quantitative characterization of permeable sand body, promote the promotion of local resource development potential, and lay a foundation for the improvement of economic benefits in this area. If there is a good linear relationship between throat radius and permeability, the throat radius can be kept at 0.24 μ M, the permeability can reach 0.2md, so it is necessary to scientifically control the throat radius, so as to effectively improve the development potential of the reservoir. When studying reservoir parameters, fully realize the integration of linear data, grasp the relationship between core and electrical logging curve, reasonably calculate permeability, realize the image description of sand body, clarify the reservoir distribution, and provide an effective basis for subsequent oilfield exploitation
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