[1]黎盼,孙卫,李长政.鄂尔多斯盆地华庆油田长63储集层成岩相特征[J].新疆石油地质,2018,(05):517.[doi:10.7657/XJPG20180503]
　LI Pan,SUN Wei,LI Changzheng.Diagenetic Facies Characteristics of Chang 63 Reservoir in Huaqing Oilfield, Ordos Basin[J].Xinjiang Petroleum Geology,2018,(05):517.[doi:10.7657/XJPG20180503]
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鄂尔多斯盆地华庆油田长63储集层成岩相特征()
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《新疆石油地质》[ISSN:1001-3873/CN:65-1107/TE]

卷:
期数:
2018年05期
页码:
517
栏目:
出版日期:
2018-10-01

文章信息/Info

Title:
Diagenetic Facies Characteristics of Chang 63 Reservoir in Huaqing Oilfield, Ordos Basin
文章编号:
1001-3873（2018）05-0517-07
作者:
黎盼1; 孙卫1; 李长政2
(1.西北大学 地质学系 大陆动力学国家重点实验室,西安 710069;2.中国石油 长庆油田分公司 第八采油厂,西安 710021)
Author(s):
LI Pan1;  SUN Wei1;  LI Changzheng2
(1.State Key Laboratory for Continental Dynamics, Department of Geology, Northwest University, Xian, Shaanxi 710069, China; 2.No. 8 Oil Production Plant, Changqing Oilfield Company, PetroChina, Xian, Shaanxi 710021 China)
关键词:
华庆油田; 延长组; 储集层; 微观孔隙结构; 成岩相; 测井响应特征
Keywords:
Huaqing oilfield;  Yanchang formation;  reservoir;  microscopic pore structure;  diagenetic facies;  logging response characteristic
分类号:
TE112.221；TE112.23
DOI:
10.7657/XJPG20180503
文献标志码:
A
摘要:
针对鄂尔多斯盆地华庆油田延长组长63储集层微观非均质性强、孔隙结构复杂等特征，利用铸体薄片、扫描电镜、高压压汞和恒速压汞等实验，研究长63储集层不同成岩相类型及其微观孔隙结构特征，并结合试采资料，总结了不同成岩相的测井响应特征。研究表明，绿泥石膜胶结—粒间孔相和伊利石+绿泥石膜胶结—粒间孔相储集层喉道发育最好；伊利石胶结—粒间孔相、伊利石+绿泥石膜胶结—溶蚀相储集层孔喉半径较小，储集层连通性差—中等；伊利石胶结—溶蚀相、伊利石胶结、碳酸盐矿物胶结致密相储集层孔隙结构发育程度差。不同成岩相的微观孔隙结构差异明显，喉道半径是影响储集层渗流和储集能力的主要因素。优质成岩相的展布受沉积相、成岩作用及微观孔喉特征的影响。
Abstract:
Exploration and development of Chang 63 reservoir of Yanchang formation in Huaqing oilfield, Ordos Basin has been challenged by strong heterogeneity and complicated microscopic pore structures. Based on the data of cast thin section, SEM, high-pressure mercury injection and constant-rate mercury injection experiments, the paper studies different diagenetic facies and the pore structures of Chang 63 reservoir in Huaqing oilfield. Moreover, logging responses of different diagenetic facies are summarized by combining with production test data. The results show that the throats of the reservoirs of chlorite cementation-intergranular pore facies and illite + chlorite cementation-intergranular pore facies are best developed; the pore throat radius of the reservoirs of illite cementation-intergranular pore facies and illite + chlorite cementation-corrosion facies are relatively small and the reservoir connectivity is poor to medium; the pore structures of tight reservoirs of illite cementation-corrosion facies, illite cementation facies and carbonate cementation facies are poorly developed. Different diagenetic facies have different microscopic pore structure characteristics. Throat radius is the major factor influencing reservoir flowing and storage capacity. The distribution of high quality diagenetic facies is influenced by sedimentary facies, diagenesis and microscopic pore throat characteristics

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更新日期/Last Update: 2018-10-09