吉林大学学报(地球科学版) ›› 2018, Vol. 48 ›› Issue (4): 1277-1286.doi: 10.13278/j.cnki.jjuese.20170291

• 地球探测与信息技术 • 上一篇    

稠油热采地层阵列感应测井响应特性数值模拟

张波1, 曹洪恺2, 孙建孟2, 张鹏云2, 闫伟超2   

  1. 1. 中石化胜利石油工程有限公司测井公司, 山东 东营 257000;
    2. 中国石油大学(华东)地球科学与技术学院, 山东 青岛 266580
  • 收稿日期:2017-11-08 出版日期:2018-07-26 发布日期:2018-07-26
  • 作者简介:张波(1971-),男,高级工程师,主要从事测井技术研究和管理工作,E-mail:slcjzhangbo@sina.com
  • 基金资助:
    国家自然科学基金项目（41574122）；国家科技重大专项（16ZX05006002-004）

Numerical Simulation of Response Characteristics of Array Induction Logging in Heavy Oil Thermal Recovery Formation

Zhang Bo1, Cao Hongkai2, Sun Jianmeng2, Zhang Pengyun2, Yan Weichao2   

  1. 1. Sinopec Shengli Well Logging Company, Dongying 257000, Shandong, China;
    2. School of Geosciences, China University of Petroleum, Qingdao 266580, Shandong, China
  • Received:2017-11-08 Online:2018-07-26 Published:2018-07-26
  • Supported by:
    Supported by National Natural Science Foundation of China (41574122) and National Science and Technology Major Projects (16ZX05006002-004)

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摘要： 稠油热采地层温度的独特变化规律直接影响了目的层和围岩的电阻率，进而导致阵列感应测井响应的变化；因此，了解地层温度对阵列感应测井响应的影响，对于更准确地确定地层电阻率具有重要的意义。本文利用地层温度与地层电阻率的相关关系，通过有限元方法模拟不同地层温度和不同地层结构的阵列感应测井响应。数值模拟结果表明：不同线圈结构子阵列的视电阻率随地层温度的升高而下降，下降幅度与地层温度、线圈系结构以及地层原始电阻率有关；三层阶跃地层中目的层及围岩电阻率、目的层温度和厚度都会影响其测井响应，使各子阵列视电阻率曲线由目的层边缘向围岩处呈现上升的形态。通过对这些响应特征的分析研究，结合油田实例G1井进行了对比和验证，模拟结果较好地阐释了现场阵列感应测井的异常响应特征。

关键词: 地层温度, 阵列感应测井, 有限元法, 稠油热采地层

Abstract: The unique temperature change rule of heavy oil thermal recovery wells' formation directly affects the resistivity of the target layer and surrounding rock, leading to the changes of array induction logging responses. Therefore, it is important to understand the effect of formation temperature on the array induction logging response, which is vital for acquiring the formation resistivity more accurately. In this study, the relationship between the formation temperature and formation resistivity is used to simulate the response of the array induction logging under the different formation temperatures and different stratigraphic structures by the Finite element method. The results show that the apparent resistivity of the different coil structure sub-arrays decreases with the increase of the formation temperature, and the declining rate of the apparent resistivity is related to the formation temperature, the coil structure, and the real resistivity. The target layer and surrounding rock resistivity, temperature and thickness of the target layer in the three-step stratum affect the logging response, thus the resistivity curves of each sub-array show a rising shape from the edge of the target layer to the surrounding formation. Through the analysis and study of these response characteristics, combined with the comparison and verification of the Well G1 in the oilfield, the simulation results clearly illustrated the characteristics of the abnormal response of field array induction logging.

Key words: formation temperature, the array induction logging, the finite element method, heavy oil thermal recovery formation

中图分类号: 

  • P631.8
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