| Unconventional oil and gas resources in the North of Songliao Basin,especially the dense oil reserves are very large.The Fuyang oil layer which permeability is less than 2mD constitutes a large portion.The development prospect is broad.But the real effective control reserves are relatively low.In order to achieve the upgrade from the proved reserves to the controlled reserves.Now we introduce horizontal well to increase production.This article is based on the seismic technology as the main measure to carry out seismic reservoir prediction in the studied area.Divided horizontal well to deploy favorable areas.To provide reliable geological basis for the next step to step well.In this paper,first of all,on the basis of predecessors' research analysis structure,reservoir and sedimentary characteristics in the study area.To carry out the geological background in the study area.Secondly by using seismic data,logging data,drilling data.By spectrum analysis,seismic attribute analysis technology such as screening favorable horizon.Determine the reservoir evaluation purpose layer.After through the fine horizon calibration,seismic geology layer,fault features and the establishment of highly precise velocity field.Complete the horizon calibration,fine structure interpretation in the study area.Fine structure mapping.The structure characteristics of the analysis of the study area.Sorting out the favorable reservoir and secondary favorable reservoirs accurately depict small faults,the rule of the development of faults in the research area,the implementation of structural area mapping precision,complete the optimization of seismic attributes and reservoir prediction to determine the attribute type,through a combination of various technologies.Finally,the study area was classified into three grades according to the data of the study area and seismic inversion,realize the seismic reservoir prediction in the study area,and to provide the technical support for the next horizontal well deployment. |
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