特种油气藏2017，Vol.24Issue(5)：72-77,6.DOI:10.3969/j.issn.1006-6535.2017.05.013
L凹陷古近系文昌组储层物性控制因素研究
Study on Controlling Factors of Reservoir Properties of the Paleogene Wenchang Formation in L Sag
摘要
Abstract
By applying the theories and methods of reservoir geology and sedimentology,utilizing several observation methods (core observation,slice analysis,scanning electron microscope and X diffraction etc.),on the basis of studying the basic clastic reservoir features of the Paleogene Wenchang Formation,we studied the development con-ditions of the fine reservoirs under low-porosity and low-permeability reservoir conditions. The study result indi-cates:(1)sedimentary process is the basic condition for forming reservoirs,it determines diagenesis types and dia-genesis strength during later period,and the compaction and cementation during early diagenesis are the major fac-tors for worsening reservoir properties;(2)fine reservoirs are mainly controlled by organic acid corrosion,early calcite cementation and tectonic activity;(3)tectonic uplifting can preserve pores;(4)faults are the major path-ways for transporting oil,gas and organic acid;(5)to seek the migration directions of hydrocarbons and organic acid transported by faults and predominant facies belts are the future exploration directions and breakthroughs in this area. This study result is of great significance for guiding future exploration of the study area,and can provide nec-essary reference and geology base for oil and gas exploration in rifted basins in the South China Sea.关键词
低渗透储层/物性控制因素/成岩作用/构造活动/珠江口盆地/珠一坳陷/文昌组Key words
low-permeability reservoir/controlling factors for physical properties/diagenesis/tectonic activity/Pearl River Mouth Basin/zhu 1 depression/Wenchang Formation分类
能源科技引用本文复制引用
余加松,纪友亮,刘君龙,贾浪波,王茹..L凹陷古近系文昌组储层物性控制因素研究[J].特种油气藏,2017,24(5):72-77,6.基金项目
国家自然科学基金"地质历史时期储层物性参数恢复"(41272157) （41272157）
