阵列感应测井在薄储层识别与含油气性评价中的应用——以塔里木盆地温宿凸起为例
投稿时间:2018-08-09  修订日期:2018-08-09  点此下载全文
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作者单位E-mail
张金虎 中国地质调查局油气资源调查中心 466780017@qq.com 
) 高永进 中国地质调查局油气资源调查中心  
) 杨有星 中国地质调查局油气资源调查中心  
) 李清瑶 中国地质调查局油气资源调查中心  
张君峰 中国地质调查局油气资源调查中心  
周新桂 中国地质调查局油气资源调查中心  
中文摘要:阵列感应测井具有纵向高分辨率、深探测深度的特点,能较好地反映薄层的电阻率特征,精准识别薄储层,准确判断薄油层。塔里木盆地温宿凸起新近系吉迪克组砂岩储层物性好,油层孔隙度22-28%,渗透率60-210mD,属中-高孔中渗储层,但其横向变化大且厚度较薄。本文针对新温地1井、2井砂岩储层层薄常规测井难以识别的特点,在储层地质特征和常规测井分析的基础上,利用高分辨率阵列感应测井从不同纵向分辨率电阻率曲线识别薄层,砂体侵入特征描述与储层渗透性分析,并对储层含油气性进行评价。通过高分辨率阵列感应测井技术大幅提高了薄储层识别的精度,有效评价了储层以及含油气性,指导了试油选层工作,取得了良好的效果。
中文关键词:温宿凸起、测井解释、阵列感应、薄储层识别、含油气性评价
 
Application of array induction logging in thin reservoir identification and oil-bearing evaluation----Taking Wensu uplift in Tarim Basin as an example
Abstract:Array induction logging has the characteristics of high resolution and deep exploration depth, which can better reflect the characteristics of thin layer resistivity, accurately identify thin reservoir and accurately judge thin oil layer.The sandstone reservoirs of the Neogene of the Wensu Uplift in the Tarim Basin has good physical properties, the porosity of the oil layer is 22-28%, and the permeability is 60-210mD, which belongs to medium high porosity and medium permeability reservoir, but its lateral variation is large and the thickness is thinner.On the basis of reservoir geological characteristics and conventional logging analysis, this paper uses high resolution array induction logging to identify thin layers from different vertical resolution resistivity curves, sand intrusion characteristics description and reservoir permeability analysis, and evaluation of reservoir oil-bearing property. The high resolution array induction logging technology has greatly improved the accuracy of the identification of thin reservoir, effectively evaluated the reservoir and oil-bearing property, and guided the work of oil test layer selection, and achieved good results.
keywords:Wensu Uplift  log interpretation  Array Induction Logging  thin reservoir identification  oil-bearing evaluation
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