特种油气藏2017，Vol.24Issue(5)：42-47,6.DOI:10.3969/j.issn.1006-6535.2017.05.008
伊川凹陷谭庄组储层特征与致密油 成藏条件
Accumulation Conditions for Tanzhuang Formation in Yichuan Depression
摘要
Abstract
Drill hole record,fluorescence detection,chloroform bitumen"A"measurement,X radial diffraction, permeability and porosity test,scanning electron microscope and mercury injection method are used to analyze res-ervoir thickness,mineral composition,permeability and porosity characteristics and pore structure characteristics, so as to investigate reservoir characteristics of Tanzhuang formation. Tight oil reservoir accumulation conditions are investigated in three aspects including original driving force for reservoir accumulation,reservoir space and preser-vation condition. The research results show that oil bearing rock in Tanzhuang formation has large thickness and good oil bearing properties,where clay mineral and brittle mineral are major minerals and pore type includes interg-ranular pore,corrosion pore and intergranular pore- corrosion pore. It's a low porosity low permeability tight oil reservoir where micro-nano pores are widely developed. Original driving force for tight oil is hydrocarbon pressure increasing effect caused by close contact of source rock and reservoir rock. Micro-nano pores act as major reservoir space. Overall preservation condition is favorable. Weicun-Pengpo belt in the northeast of Yichuan may be sweet spot block for tight oil development in Tanzhuang formation. It is speculated that huge tight oil potential exists in Tanzhuang formation in Yuxi district,where Yichuan depression,North Yiyang and areas around Luoyang are key blocks.关键词
致密油/储层特征/成藏条件/成藏原动力/微纳米孔隙/谭庄组/伊川凹陷Key words
tight oil/reservoir characteristics/reservoir forming conditions/original driving force for reservoir forming/micro-nano pore/Tanzhuang formation/Yichuan depression分类
能源科技引用本文复制引用
司庆红,司马献章,张超,孙卫志,王善博..伊川凹陷谭庄组储层特征与致密油 成藏条件[J].特种油气藏,2017,24(5):42-47,6.基金项目
中国地质调查局公益性地质调查项目"华北地区页岩气(油气)基础地质调查与潜力评价"(12120114020301)、"河南洛阳济源油气基础地质调查"(12120115003101) （油气）
