| 裂缝的双侧向测井响应的数学模型及裂缝孔隙度的定量解释 |
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| 引用本文： | 李善军,肖承文.裂缝的双侧向测井响应的数学模型及裂缝孔隙度的定量解释[J].地球物理学报,1996,39(6):845-852. |
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| 作者姓名： | 李善军 肖承文 |
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| 作者单位： | 1. 石油大学(华东)勘探系，山东东营 257062;
2. 塔里木盆地勘探研究中心，新疆 841000 |
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| 基金项目： | 国家＂八五＂攻关课题． |
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| 摘 要： | 根据裂缝双侧向测井响应的特征，裂缝分３种状态：低角度裂缝、倾斜裂缝和高角度裂缝，给出了判断裂缝状态的方法；建立了裂缝的双侧向测井响应与裂缝孔隙度、裂缝内流体电导率、基岩电导率之间的函数关系；得出人工估算和计算机精确计算裂缝孔隙度的两套反演公式及相应计算方法．
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| 关 键 词： | 裂缝孔隙度 双侧向测井响应 电阻率 反演 基岩 裂缝倾角 |
| 收稿时间： | 1997-07-25 |
MATHEMATICAL MODEL OF DUAL LATEROLOG RESPONSE TO FRACTURE AND QUANTITATIVEINTERPRETATION OF FRACTURE POROSITY |
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| LI SHAN-JUNI, XIAO CHENG-WBN, WANG HAN-MING, ZHANG GENG-JI.MATHEMATICAL MODEL OF DUAL LATEROLOG RESPONSE TO FRACTURE AND QUANTITATIVEINTERPRETATION OF FRACTURE POROSITY[J].Chinese Journal of Geophysics,1996,39(6):845-852. |
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| Authors: | LI SHAN-JUNI XIAO CHENG-WBN WANG HAN-MING ZHANG GENG-JI |
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| Institution: | 1. Department of Exploration, University of Petroleum, Shandong Dongying 257062, China;
2. Exploration Research Center of TPEDB, Xinjiang 841000, China |
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| Abstract: | According to the characterization of dual laterolog response to fracture,the forms of fracture are defined as three kinds:subhorizontal fracture,dipping fracture,subvertical fracture,and the metnod of identifying fractures is presented in this paper. The function relation is established between dual laterolog response to fracture and fracture porosity,fluid conductivity,base rock conductivity.Two inversion models are given:one is applied in the manual estimation of fracture porosity,the other is applied in computer process with accurate algorithm. |
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| Keywords: | Fracture porosity Dual laterolog response Conductivity Inversion Base rock Fracture dip |
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