| 一种修正的Kuster-Toksöz岩石物理模型及应用 |
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| 引用本文： | 刘致水,孙赞东,董宁,刘俊州,刘致秀,王亚静.一种修正的Kuster-Toksöz岩石物理模型及应用[J].石油地球物理勘探,2018,53(1):113-121. |
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| 作者姓名： | 刘致水 孙赞东 董宁 刘俊州 刘致秀 王亚静 |
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| 作者单位： | 1. 长安大学地质工程与测绘学院, 陕西西安 710054;2. 中国石油大学(北京), 北京 102249;3. 中国石化石油勘探开发研究院, 北京 100083;4. 中国石油东方地球物理公司, 河北涿州 072751;5. 庆阳职业技术学院, 甘肃庆阳 745000 |
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| 基金项目： | 本项研究受国家科技重大专项“鄂北深层岩溶储层地震预测技术”(2017ZX05005-004-009)及中国石化项目“鄂北奥陶系风化壳储层及含气性地震预测技术”(P16066)联合资助。 |
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| 摘 要： | 经典的Kuster-Toksöz （KT）岩石物理模型能够同时考虑多种具有不同形状的包含物（空的和含流体孔隙以及固态物质）对弹性参数的影响，但受包含物含量"稀疏性"的限制，不能应用于高浓度包含物的情况。为此，将微分等效思想引入KT模型，发展了一种适用于高浓度包含物的修正Kuster-Toksöz岩石物理模型。将该模型应用于富有机质岩石的数值模拟，结果表明新模型比经典KT模型更适合于高浓度包含物的情况；对实验室富有机质岩石测试样品进行横波速度预测，新模型比KT模型预测误差小。
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| 关 键 词： | 速度预测 Kuster-Toksöz模型 微分等效介质 包含物 干酪根 孔隙 富有机质岩石 |
| 收稿时间： | 2016-06-22 |
A modified Kuster-Toksöz rock physics model and its application |
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| Liu Zhishui,Sun Zandong,Dong Ning,Liu Junzhou,Liu Zhixiu,Wang Yajing.A modified Kuster-Toksöz rock physics model and its application[J].Oil Geophysical Prospecting,2018,53(1):113-121. |
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| Authors: | Liu Zhishui Sun Zandong Dong Ning Liu Junzhou Liu Zhixiu Wang Yajing |
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| Affiliation: | 1. College of Geology Engineering and Geomatics, Chang'an University, Xi'an, Shaanxi 710054, China;2. China University of Petroleum(Beijing), Beijing 102249, China;3. Research Institute of Petroleum Exploration and Production, SINOPEC, Beijing 100083, China;4. BGP Inc., CNPC, Zhuozhou, Hebei 072751, China;5. Qingyang Vocational and Technical College, Qiangyang, Gansu 745000, China |
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| Abstract: | Kuster-Toksöz (KT) rock physics model is a classical rock physics model concerning the influence of multiple-inclusion material (void inclusion,fluid and solid inclusions) on elastic wave velocities.However,the KT model is limited to dilute concentration of inclusion material.In this paper,the ideal of differential effective medium is applied into the KT model,and a new modified KT rock physics model for rock containing high-concentration inclusions is derived.This rock physics model is applied to organic-enriched rocks.Firstly,the simulation result shows that the new model is superior to the KT model in rocks with high volume inclusion material.Furthermore S-wave velocity prediction based on the proposed method is more accurate than those from the KT model. |
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| Keywords: | velocity prediction Kuster-Toksöz model differential effective medium inclusion material kerogen pore organic enriched rock |
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