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    渤海湾盆地渤中坳陷储层超压特征与成因机制

    刘晓峰 解习农 张成

    刘晓峰, 解习农, 张成, 2008. 渤海湾盆地渤中坳陷储层超压特征与成因机制. 地球科学, 33(3): 337-341.
    引用本文: 刘晓峰, 解习农, 张成, 2008. 渤海湾盆地渤中坳陷储层超压特征与成因机制. 地球科学, 33(3): 337-341.
    LIU Xiao-feng, JIE Xi-nong, ZHANG Cheng, 2008. Characteristics and Generation of the Reservoir Overpressure in Bozhong Depression, Bohai Bay Basin. Earth Science, 33(3): 337-341.
    Citation: LIU Xiao-feng, JIE Xi-nong, ZHANG Cheng, 2008. Characteristics and Generation of the Reservoir Overpressure in Bozhong Depression, Bohai Bay Basin. Earth Science, 33(3): 337-341.

    渤海湾盆地渤中坳陷储层超压特征与成因机制

    基金项目: 

    国家自然科学重点基金项目 40238059

    国家自然科学基金青年科学基金项目 40402014

    详细信息
      作者简介:

      刘晓峰(1970-), 男, 副教授, 博士, 主要从事盆地流体分析和成藏动力学研究.E-mail: xfliu@cug.edu.cn

    • 中图分类号: P618

    Characteristics and Generation of the Reservoir Overpressure in Bozhong Depression, Bohai Bay Basin

    • 摘要: 对储层超压的分析, 有助于理解渤中坳陷油气晚期快速成藏机理.利用RFT实测储层压力资料分析了渤中坳陷储层超压的特征和成因.渤中坳陷存在3套储层超压系统: 浅层明化镇组-馆陶组储层超压系统、中层东营组-沙河街组-孔店组储层超压系统、基底(中生界及以下地层) 储层超压系统.渤中坳陷的储层超压可能主要是由3种机制综合引起的, 即不均衡压实作用、超压传递作用和裂解气的生成作用.少量保存的传递超压是深部超压流体注入的“化石”, 它是超压背景下油气快速充注成藏的结果.

       

    • 图  1  渤中坳陷各地层单元储层压力-深度图

      OP.超压; Tr-OP.传递超压; UP.低压; TOP.超压顶界面; BOP.超压底界面; Phy.静水压力梯度; Pr.静岩压力梯度

      Fig.  1.  Plots of pressure vs. depth for different stratigraphic units in Bozhong depression

      图  2  渤中坳陷BZ1311井泥岩和砂岩声波时差-深度图

      NC.正常压实; UC.欠压实; TUC.欠压实顶界; BUC.欠压实底界; T.D..完钻深度; 1.泥岩的声波时差; 2.砂岩的声波时差; 3.试油实测的储层流体压力系数

      Fig.  2.  Interval travel time vs. depth for mudstone and sandstone respectively in the well BZ1311

      图  3  渤中坳陷QHD324井(a) 和PL2561井(b) 压力-深度图

      Fig.  3.  Plots of pressure vs. depth for well QHD324 (a) and PL2561 (b) in Bozhong depression

    • Barker, C., 1990. Calculated volume and pressure changes during the thermal cracking of oil to gas in reservoirs. AAPG Bulletin, 74: 1254-1261.
      Gong, Z. S., 2004. Neotectonics and petroleum accumulation in offshore China basins. Earth Science—Journal of China University of Geosciences, 29 (5): 513-517 (in Chinese with English abstract).
      Gong, Z. S., Wang, G. C., 2001. Neotectonism and late hydrocarbon accumulation in Bohai Sea. Acta Petrolei Sinica, 22 (2): 1-7 (in Chinese with English abstract).
      Gong, Z. S., Wang, G. C., He, Q., 2000. The Neogene: A main realm of hydrocarbon exploration in Bozhong sag and its surrounding areas. China Offshore Oil and Gas (Geology), 14 (3): 145-156 (in Chinese with English abstract).
      Grauls, D. J., Baleix, J, M., 1994. Role of overpressures and in situ: Stresses in fault-controlled hydrocarbon migration—A case study. Marine and Petroleum Geology, 11: 734-742. doi: 10.1016/0264-8172(94)90026-4
      Hao, F., Cai, D. S., Zou, H. Y., et al., 2004. Overpressuretectonic activity controlled fluid flow and rapid petroleum accumulation in Bozhong depression, Bohai Bay Basin. Earth Science—Journal of China University of Geosciences, 29 (5): 518-524 (in Chinese with English abstract).
      Law, B. E., Dickinson, W. W., 1985. Conceptual model for origin of abnormally pressured gas accumulations in low-permeability reservoirs. AAPG Bulletin, 69: 1295-1304.
      Liu, X. F., Xie, X. N., 2001. Overpressure relief and its implication to hydrocarbon migration and accumulation. Geological Science and Technology Information, 20 (4): 51-56 (in Chinese with English abstract).
      Liu, X. F., Xie, X. N., 2003. Review on formation mechanism of the reservoir overpressure fluid system. Geological Science and Technology Information, 22 (3): 55-60 (in Chinese with English abstract).
      Magara, K., 1978. Compaction and fluid migration: Practical petroleum geology. Elsevier Scientific Publishing Company, New York, 1-313.
      Mi, L. J., 2001. The neotectonism and major Neogene oil and gas fields in Bohai Sea. China Offshore Oil and Gas (Geology), 15 (1): 21-28 (in Chinese with English abstract).
      Osborne, M. J., Swarbrick, R. E., 1997. Mechanisms for generating overpressure in sedimentary basins: A reevaluation. AAPG Bulletin, 81 (6): 1023-1041.
      龚再升, 2004. 中国近海含油气盆地新构造运动与油气成藏. 地球科学——中国地质大学学报, 29 (5): 513-517. https://www.cnki.com.cn/Article/CJFDTOTAL-DQKX200405001.htm
      龚再升, 王国纯, 2001. 渤海新构造运动控制晚期油气成藏. 石油学报, 22 (2): 1-7. https://www.cnki.com.cn/Article/CJFDTOTAL-SYXB200102000.htm
      龚再升, 王国纯, 贺清, 2000. 上第三系是渤中坳陷及其周围油气勘探的主要领域. 中国海上油气(地质), 14 (3): 145-156. https://www.cnki.com.cn/Article/CJFDTOTAL-ZHSD200003000.htm
      郝芳, 蔡东升, 邹华耀, 等, 2004. 渤中坳陷超压-构造活动联控型流体流动与油气快速成藏. 地球科学——中国地质大学学报, 29 (5): 518-524. https://www.cnki.com.cn/Article/CJFDTOTAL-DQKX200405002.htm
      刘晓峰, 解习农, 2001. 超压释放及其对油气运移和聚集的意义. 地质科技情报, 20 (4): 51-56. doi: 10.3969/j.issn.1000-7849.2001.04.011
      刘晓峰, 解习农, 2003. 储层超压流体系统的成因机制述评. 地质科技情报, 22 (3): 55-60. doi: 10.3969/j.issn.1000-7849.2003.03.011
      米立军, 2001. 新构造运动与渤海海域上第三系大型油气田. 中国海上油气(地质), 15 (1): 21-28. doi: 10.3969/j.issn.1673-1506.2001.01.007
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    出版历程
    • 收稿日期:  2008-02-25
    • 刊出日期:  2008-05-25

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