The Reservoir Characteristics And Distribution Rule Of Member 5 Of Majiagou Formation In Shaanxi Zhi Dan Y818 Wellblock

Research purposes: this paper describes ShanBei ZhiDan Y818 wellblock majiagou group member 5 of Majiagou Formation period of a section of the reservoir classification and characteristics,and the characteristics of carbonate petrology and reservoir distribution,evaluation of the favorable reservoir distribution;Research methods: first,through the analysis of the drilling cores photos carbonate rock type in the study area,based logging data interpretation and carbonate mineral type,using the neutron-density calculation of carbonate reservoir porosity,mapping the distribution of reservoir porosity and rock phase diagram,according to the rock microsection photo analysis of reservoir pore types and reservoir characteristics;Research results: this paper mainly through the core pictures and logging data and rock microsection analysis of reservoir characteristics and distribution rule.In the study area the carbonate reservoir are mainly low porosity low permeability reservoir,sedimentary facies of evaporate platform,set the most beneficial to reservoir development of karst landform in the karst ground monadnock karst terrace,slope and the most beneficial to reservoir development.