井地电位法中变物性参数异常响应的模拟与分析
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Release time:2020-08-09 DOI number:10.3969/j.issn.1001-1749.2010.01.001 Journal:物探化探计算技术 Place of Publication:中国 Key Words:井地电法；变物性参数；有限单元法；三维模拟；异常响应 Abstract:为了研究地下异常体几何及物性参数变化对井地电位法地表响应的影响规律,对垂直线源激励下的变物性参数地下异常体,采用三维有限单元法进行了正演模拟。经模拟结果表明,在浅部时异常形态清晰,随深度的增加,异常响应的形态变得模糊;地表异常响应对厚度反应不灵敏;对水平规模大小变化反应非常灵敏。这些规律将对油气田剩余油分布和注水推进前沿的确定,以及井地电位仪器分辨率的设计提供指导作用,并为井地电位法反演成像奠定相关基础。 Co-author:陈德鹏, 刘海飞, 冯德山 First Author:马捷 Indexed by:Applied Research Document Code:1001- 1749( 2010) 01-0001-05 Discipline:地质资源与地质工程 Document Type:J Volume:32 Issue:1 Page Number:1-5 ISSN No.:1001-1749 Translation or Not:no CN No.:51-1242/P Date of Publication:2010-01-15 -
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