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塔中地区良里塔格组碳酸盐岩储层特征及成岩作用

文章导航 > 沉积与特提斯地质 > 2017 > 37(2): 88-95

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竹合林, 白晓亮, 万友利, 叶宁, 周波, 贺勇, 湛小红. 塔中地区良里塔格组碳酸盐岩储层特征及成岩作用[J]. 沉积与特提斯地质, 2017, 37(2): 88-95.
引用本文: 竹合林, 白晓亮, 万友利, 叶宁, 周波, 贺勇, 湛小红. 塔中地区良里塔格组碳酸盐岩储层特征及成岩作用[J]. 沉积与特提斯地质, 2017, 37(2): 88-95.
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ZHU He-lin, BAI Xiao-liang, WAN You-li, YE Ning, ZHOU Bo, HE Yong, ZHAN Xiao-hong. Carbonate reservoir characteristics and diagenesis in the Lianglitage Formation, Tazhong region, Xinjiang[J]. Sedimentary Geology and Tethyan Geology, 2017, 37(2): 88-95.
Citation: ZHU He-lin, BAI Xiao-liang, WAN You-li, YE Ning, ZHOU Bo, HE Yong, ZHAN Xiao-hong. Carbonate reservoir characteristics and diagenesis in the Lianglitage Formation, Tazhong region, Xinjiang[J]. Sedimentary Geology and Tethyan Geology, 2017, 37(2): 88-95.
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塔中地区良里塔格组碳酸盐岩储层特征及成岩作用

  • 1. 四川省地矿局二〇七地质队, 四川乐山 614000;
    2. 西南油气田分公司勘探开发研究院, 四川成都 610041;
    3. 国土资源部沉积盆地与油气资源重点实验室, 中国地质调查局成都地质调查中心, 四川成都 610081;
    4. 成都理工大学能源学院, 四川成都 610059;
    5. 中石油新疆油田公司实验检测研究院, 新疆克拉玛依 834000;
    6. 中海石油(中国)有限公司深圳分公司研究院, 广东广州 510240

Carbonate reservoir characteristics and diagenesis in the Lianglitage Formation, Tazhong region, Xinjiang

  • 1. No. 207 Geological Party, Sichuan Bureau of Geology and Mineral Resources, Leshan 614000, Sichuan, China;
    2. Research Institute of Petroleum Exploration and Development, Southwest Oil and Gas Field Company, PetroChina, Chengdu 610051, Sichuan, China;
    3. Key Laboratory of Sedimentary Basins and Oil and Gas Resources, Chengdu 610081, Sichuan, China;
    4. College of Energy Resources, Chengdu University of Technology, Chengdu 610059, Sichuan, China;
    5. Research Institute of Experiment and Testing, Xinjiang Oil Field Company, Karamay 834000, Xinjiang, China;
    6. Shenzhen Branch, CNOOC, Guangzhou 510240, Guangdong, China

    摘要
  • 塔中地区良里塔格组发育巨厚的礁滩相碳酸盐岩,为碳酸盐岩储层的形成提供了有利条件。通过对钻井岩心和薄片分析,系统研究了研究区良里塔格组碳酸盐岩的储层岩石学、成岩作用类型和特征,总结了各类成岩作用的识别标志、发育规律及对储集体形成的影响。研究区碳酸盐岩储层的成岩作用包括泥晶化作用、白云石化作用、方解石胶结作用、溶蚀作用、硅化和硅质充填作用,以及压实、压溶作用、破裂作用和自生黄铁矿作用。在此基础上,总结了良里塔格组碳酸盐岩成岩序列及储层孔隙演化规律,认为早期强烈的方解石胶结作用和压实压溶作用降低了储层的孔隙度和渗透率,而溶蚀作用和构造破裂作用对良里塔格组礁滩相碳酸盐岩优质储层的形成具有明显控制作用。
    The reef-shoal carbonate rocks are developed with tremendous thickness in the Lianglitage Formation, Tazhong region, Xinjiang. The present paper deals, according to well logs and thin section examination, with the petrology and diagenesis, as well as the criteria for recognization, development and impacts of the diagenesis on the reservoir rocks. Main diagenetic processes include:micritization; compaction and pressure solution; dolomitization;calcite cementation;dissolution;silicification and silicic filling;authigenic pyrite, and fracturing. The early calcite cementation, compaction and pressure solution may reduce the porosity and permeability of the reservoir rocks, whereas the dissolution and structural fracturing may play constructive role in the formation of excellent carbonate reservoirs in the Lianglitage Formation, Tazhong region, Xinjiang.
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出版历程
收稿日期:  2016-12-28
修回日期:  2017-03-29
刊出日期:  2017-06-30

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