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成像测井解释模式探讨

Discussion on Imaging Log Interpretation Mode.

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【作者】 尤征杜旭东侯会军周开凤张舫

【Author】 You Zheng, Du Xudong, Hou Huijun, et al. WLT, 2000, 24(5):393-398

【机构】 中油测井有限责任公司

【摘要】 从地层微电阻率扫描成像及井周声波成像测井的原理及研究现状出发 ,以大量的第一手资料为基础 ,结合国内外的成像测井研究成果 ,探讨建立成像测井解释模式的基本方法 ,阐述各种成像测井解释模式的含义 ,分析成像测井解释模式所代表的地质意义。从成像图的颜色、形态、地球物理意义、地质意义出发 ,以形态分类为主线 ,地质意义为核心 ,将成像解释模式划分为 4类 : 类模式按有无地质意义分类 , 类模式按形态分类 , 类模式基本按颜色分类 , 类模式按地质特征分类。按照形态成像图分为 :块状、条带状、线状、对称沟槽状、斑状、杂乱状以及斜纹状、木纹状、不对称沟槽状及白模式。该解释模式虽然具有很大的多解性 ,但作为思路和工具 ,仍不失为一种成像解释的较好方法。

【Abstract】 On the basis of the principle of formation microresistivity imaging log and circumferential acoustilog and the research of imaging log made both at home and abroad, the basic way to establish imaging log interpretation mode is investigated. With a large number of firsthand materials, the implications of interpretation modes and their geological meaning are expounded. The images have different colors, patterns geophysical meanings and geological meanings. Using the patterns as the main clue and the geological meaning as the hernel, the image interpretation modes are classified into four types: the first type of mode is to classify the images by geological meanings, the second by patterns, the third by colors and the fourth by geological characteristics. So far as the second type of mode is concerned, the image can be classified as blocky shape (bright block and dark block), flaser, linear shape (single linear and associated linear shapes), symmetrical trough, spot (bright spot and dark spot), radom and oblique shapes, wood grain shape, unsymmetrical trough and blank mode. Although this interpretation mode is quite ambiguous, as a way of thinking and a tool it is still a good method for the interpretation of imaging log.

  • 【文献出处】 测井技术 ,Well Logging Technology , 编辑部邮箱 ,2000年05期
  • 【被引频次】59
  • 【下载频次】576
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