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现代地质 ›› 2015, Vol. 29 ›› Issue (3): 675-683.

• 能源地质学 • 上一篇    下一篇

古岩溶塌陷的成因特点与研究手段

唐攀1,吴仕强2,于炳松1,钱一雄3,彭守涛2   

  1. (1.中国地质大学(北京)地球科学与资源学院,北京 100083;2.中国石油化工股份有限公司 石油勘探开发研究院,北京 100083;
    3.中国石油化工股份有限公司 石油勘探开发研究院无锡石油地质研究所,江苏 无锡 214126)
  • 出版日期:2015-06-10 发布日期:2015-07-08
  • 作者简介:唐攀,男,硕士研究生,1990年出生,矿物学、岩石学、矿床学专业,主要从事沉积储层方面的研究工作。Email:tangpan2013@126.com。
  • 基金资助:

    国家重点基础研究发展计划项目“下古生界碳酸盐岩优质储层形成与分布预测 ”(2012CB214802);中国石油化工股份有限公司项目“塔中、塔河奥陶系岩溶储层形成机理与分布”(P13069);国家科技重大专项项目(2011ZX05005-004)。

Genesis Characteristics and Research Means of Paleokarst Collapse

TANG Pan1,WU Shi-qiang2,YU Bing-song1,QIAN Yi-xiong3,PENG Shou-tao2   

  1. (1.School of Earth Sciences and Resources, China University of Geosciences, Beijing100083,China;
    2.Petroleum Exploration and Production Institute, SINOPEC, Beijing100083,China;
    3.Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu214126, China)
  • Online:2015-06-10 Published:2015-07-08

摘要:

古岩溶发育过程中的塌陷是一种普遍现象,其形成的古岩溶塌陷体是重要的油气储集体。借鉴现代岩溶塌陷的成因机理,归纳了古岩溶塌陷与现代岩溶塌陷的相似之处,并从形成机理、联合塌陷体的成因及其储集意义等方面梳理了古岩溶塌陷的成因特点。对于古岩溶塌陷体,可通过钻井、岩心、探地雷达、地震、常规测井和FMI成像测井等技术手段来识别、研究。由于不同地质背景下古岩溶塌陷体发育模式不尽相同,使得研究过程中存在诸多问题。针对这些问题,提出了下一步亟待开展的3点工作建议。

关键词: 古岩溶储层, 古岩溶塌陷, 现代岩溶塌陷, 成因特点

Abstract:

 In the development and evolution of the paleokarst, the collapse of paleocave is a common  phenomenon, and the collapsed-paleocave systems are good oil/gas reservoirs. Based on the formation mechanism of karst collapse, this paper illustrates the similarity of paleokarst collapse and karst collapse, then combs the genesis characteristics combined with the formation mechanism and the cause of coalesced collapsed-paleocave systems as high quality reservoirs. The collapsed-paleocave systems can be studied on the basis of characteristics of well drilling, cores, ground penetrating radar, seismic interpretation, conventional logging and FMI imaging logging. As the patterns of collapsed-paleocave systems vary in different geological settings, many problems remain to be resolved. To solve these problems, this paper put forward three proposals that are to be carried out urgently.

Key words: paleokarst reservoir, paleokarst collapse, karst collapse, genesis characteristic

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