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首页> 外文期刊>Indian Journal of Marine Sciences >Microscopic pore structure characteristics and logging response characteristics of different diagenetic facies reservoirs and their impact on the distribution of high quality reservoirs
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Microscopic pore structure characteristics and logging response characteristics of different diagenetic facies reservoirs and their impact on the distribution of high quality reservoirs

机译：不同成岩相储层的微观孔隙结构特征和测井响应特征及其对优质储层分布的影响

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摘要

Distribution of high quality diagenetic facies is controlled jointly by sedimentary facies, diagenesis and pore structure, and especially throat distribution is the main factor for controlling sandstone reservoir permeability. Reservoir in the hydromica cementation--residual intergranular pore facies and hydromica cementation--feldspar corrosion facies is distributed mainly in semi-deep lacustrine gravity flow composite channel turbidites; fine--tiny throats are developed, the connectedness of pore throats is good, and their percolation capacity is the best; oil and water are of relatively uniform seepage flow, and the oil and gas in pores are produced via throats extremely easily. The reservoir in the chlorite cementation facies and hydromica cementation weak corrosion facies is located in the margin of branch channels and distributed in island shape; the pore throat radius is small but is distributed uniformly, and the percolation capacity of pore throats is medium to bad. Reservoir in the carbonate cementation facies and carbonate + hydromica cementation facies is developed mainly between branch channels; the development degree of the pore structure is low, throats are fine and small, and pore throat connectedness is bad; the oil and gas rich in pores are difficult to pass small throats, and the recovery ratio is low.
机译：高质量的成岩相的分布受沉积相，成岩作用和孔隙结构共同控制，尤其是喉孔分布是控制砂岩储层渗透率的主要因素。水云母胶结中的储集层-残余的粒间孔相和水云母胶结-长石腐蚀相主要分布在半深湖相重力流复合通道浊积岩中。细小喉咙发达，孔喉的连通性好，渗透能力最好；油和水的渗流相对均匀，并且孔中的油和气非常容易通过喉咙产生。绿泥石胶结相和云母胶结弱腐蚀相的储层位于分支通道边缘，呈岛状分布。孔喉半径小但分布均匀，孔喉的渗透能力中等至差。碳酸盐胶结相和碳酸盐+水云母胶结相的储层主要发育于分支通道之间。孔结构发育程度低，喉细小，孔喉连通性差。孔隙丰富的油气难以穿过小喉，采收率低。

著录项

  • 来源
    《Indian Journal of Marine Sciences》 |2018年第3期|567-579|共13页
  • 作者

    Zhang Xi; Ren Dazhong; Huang Hai; Sun Wei;

  • 作者单位

    Northwest Univ Xian, State Key Lab Continental Dynam, Dept Geol, Xian 710069, Shaanxi, Peoples R China;

    Northwest Univ Xian, State Key Lab Continental Dynam, Dept Geol, Xian 710069, Shaanxi, Peoples R China;

    Xian Shiyou Univ, Coll Petr Engn, Xian 710065, Shaanxi, Peoples R China;

    Northwest Univ Xian, State Key Lab Continental Dynam, Dept Geol, Xian 710069, Shaanxi, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Ordos basin; high quality reservoir; diagenetic facies; pore structure; logging response;

    机译：鄂尔多斯盆地优质储层成岩相孔隙结构测井响应;

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