Characteristics and Main Controlling Factors of Tenggeer Formation Reservoir in Sanghe Area, Baiyinchagan Sag
详细信息   
摘要
Reservoir rocks of Tenggeer Formation in Shanghe area of Baiyinchagan Sag,mainly consists of arkose,lithic arkose and feldspathic litharenite.The primary controlling factors of reservoirs in this area are sedimentary environment,burial depth and diagenesis.Compaction and cementation are the main pore destroyers,which reduce the pore space and block pore throat.In 2 000～2 200 m range,it developed a dissolution zone.In this zone,the reservoir physical properties become better. The transitional zone is a balance area with the joint influence of depositional facies,burial depth and diagenesis.The reservoir physical properties in this balance area is controlled by many factors,and its favorable physical properties is the contribution of their comprehensive effects.
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