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测井曲线在识别陈家庄凸起北部缓坡带层序边界中的应用 被引量:2

Application of Logging Curves in Identifying Northern Ramp Sequence Boundary of Chenjiazhuang Uplift
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摘要 针对陈家庄凸起北部缓坡带特殊的沉积、构造特征,应用测井曲线来识别层序边界。应用自然电位和电阻率测井曲线的组合来确定层序边界,可根据自然电位基线强烈偏移、视电阻率的突增或突减等异常现象的出现来判别;利用声波时差和电阻率曲线的叠合,在层序边界处常对应ΔlogR的低谷值;应用累计倾角图来识别层序边界优于常规的地层倾角,累计倾角的一阶导数更能突出异常在的位置。测井曲线应用于识别层序边界,有其自身的优势,在该研究区取得了较好的效果。 In consideration of special sedimentary and structural characteristics in northern ramp of Chenjiazhuang uplift, sequence boundary is identified by using logging curves. The combination of logging curves of spontaneous potential and resistivity is used to determine the sequence boundary, which is identified from the phenomena of serious drifting of the spontaneous potential baseline, sudden increase and decrease of apparent resistivity etc. The polymerization of interval transit time and resistivity curves is used to calculate the low value (Alog R ) which often represents the sequence boundary. Identifying the sequence boundary with accumulative dip-angle curve is better than that made with a conventional dip-log, the first derivative of the accumulative dip angle could make the anomalous point to be identified easily. The application of logging curves has its advantages in recognizing the sequence boundary, with good result in application.
出处 《江汉石油学院学报》 CSCD 北大核心 2003年第1期62-64,共3页 Journal of Jianghan Petroleum Institute
关键词 测井曲线 识别 陈家庄凸起 北部缓坡带 层序边界 应用 油气勘探 sequence boundary unconformable surface logging curve ramp Chenjiazhuang uplift
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参考文献4

  • 1张占松.测井资料识别层序的方法及问题讨论[J].石油勘探与开发,2000,27(5):119-121. 被引量:30
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  • 4Neil F Hurley. The method of using accumulated dip to recognize the fault, unconformability and the sequence boundary [J]. AAPG Bulletin, 1994, 78 (2): 1173~1185.

二级参考文献3

  • 1C.K.威尔格斯 徐怀大译.层序地层学原理(海平面变化综合分析)[M].北京:石油工业出版社,1993..
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  • 3徐怀大,层序地层学原理.海平面变化综合分析,1993年

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