新疆石油地质 ›› 2011, Vol. 32 ›› Issue (2): 126-128.

• 油气勘探 • 上一篇    下一篇

碳酸盐岩孔洞型储集层含油气分布——塔里木盆地为例

崔文娟1, 李明1, 张丽娟2, 高力1, 唐俊伟1, 夏伟杰2, 马德波1   

  1. 1.中国石油勘探开发研究院,北京 100083;
    2.中国石油塔里木油田分公司,新疆库尔勒 841000
  • 收稿日期:2010-07-01 发布日期:2020-08-11
  • 作者简介:崔文娟(1985-),女,山西长治人,在读硕士研究生,地震地质综合研究,(E-mail)cuiwenjuan2@126.com.
  • 基金资助:
    国家重大科技专项(50040402)

Hydrocarbon Distribution of Ordovician in Carbonate Vuggy Reservoirs in Halahatang Area, Tarim Basin

CUI Wen-juan1, LI Ming1, ZHANG Li-juan2, GAO Li1, TANG Jun-wei1, XIA Wei-jie2, MA De-bo1   

  1. 1. Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China;
    2. Tarim Oilfield Company, PetroChina, Korla, Xinjiang 841000, China
  • Received:2010-07-01 Published:2020-08-11

摘要: 研究区碳酸盐岩孔洞型储集层具有明显的地震响应特点,在地震剖面上表现为“串珠状”反射,在地震属性平面图上呈星状或团块状。通过对含油气储集层岩石地球物理分析,含油气孔洞具有低伽马、低波速的特点。采用由伽马曲线重构纵波速度曲线,由原声波时差曲线利用加德纳公式计算密度,以此得到拟声波阻抗,进而由拟声波阻抗反演来识别孔洞的含油气性。这种方法能够很好地突出含油气孔洞的特点,与属性分析技术结合能够更加准确地得到含油气储集层的分布,在研究区碳酸盐岩含油气孔洞型储集层的预测中取得了一定的应用效果。

关键词: 塔里木盆地, 一间房组, 碳酸盐岩, 孔洞型储集层, 地震预测

Abstract: The carbonate vuggy reservoirs in this study area show obvious "string beads" reflection in seismic profile and star or massive feature in plane map of seismic attributes. The hydrocarbon-bearing vugs are characterized by low gamma ray and low velocity from geophysical analysis. The hydrocarbon-bearing property is identified by pseudo-acoustic impedance inversion using the method for reconstruction of acoustic velocity curve from gamma ray curve. Combination of this method with seismic attribute technique can more precisely predict the distribution of oil-gas reservoirs.

Key words: Tarim basin, Yijianfang formation, carbonate rock, vuggy reservoir, seismic prediction

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