[1]谢慧卓,李会银,袁卫国,等.龙马溪低电阻率页岩含气饱和度计算研究[J].测井技术,2019,43(02):161-166.[doi:10.16489/j.issn.1004-1338.2019.02.010]
 XIE Huizhuo,LI Huiyin,YUAN Weiguo,et al.Calculation Method of Gas Saturation in Low-Resistivity Shale Reservoirs of Longmaxi Formation[J].WELL LOGGING TECHNOLOGY,2019,43(02):161-166.[doi:10.16489/j.issn.1004-1338.2019.02.010]
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龙马溪低电阻率页岩含气饱和度计算研究()
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《测井技术》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第43卷
期数:
2019年02期
页码:
161-166
栏目:
非常规油气评价
出版日期:
2019-06-20

文章信息/Info

Title:
Calculation Method of Gas Saturation in Low-Resistivity Shale Reservoirs of Longmaxi Formation
文章编号:
1004-1338(2019)02-0161-06
作者:
谢慧卓1 李会银1 袁卫国2 冯明刚2 严伟2 孙建孟1
(1.中国石油大学(华东)地球科学与技术学院, 山东 青岛 266580; 2.中国石化勘探分公司勘探研究院, 四川 成都 610041)
Author(s):
XIE Huizhuo1 LI Huiyin1 YUAN Weiguo2 FENG Minggang2 YAN Wei2 SUN Jianmeng1
(1. School of Geoscience, China University of Petroleum, Qingdao, Shandong 266580, China; 2. Exploration and Research Institute, SINOPEC, Chengdu, Sichuan 610041, China)
关键词:
低电阻率 页岩气储层 含气饱和度 总有机碳含量
Keywords:
low resistivity shale gas reservoir gas saturation total organic carbon content(TOC)
分类号:
P631.84
DOI:
10.16489/j.issn.1004-1338.2019.02.010
文献标志码:
A
摘要:
A井龙马溪-五峰组岩气层段电阻率值相对较低,较低的电阻率往往会导致利用电法测井信息的Archie等公式计算获得的含气饱和度远远低于实验分析值。为提高页岩气层关键参数的计算精度,开展了利用非电法测井信息计算含气饱和度的3种方法研究:中子密度交会法计算含气饱和度、总有机碳含量经验模型法计算含气饱和度、元素测井体积组分法计算含气饱和度,并进行比较分析,其中元素测井体积组分法效果最佳,其他2种方法视测井资料条件也能满足计算精度要求。
Abstract:
The resistivity of shale gas reservoir in Longmaxi-Wufeng Formation of Well A is relatively low. Lower resistivity often results in gas saturation calculated by Archie formula far lower than the core analysis value. To improve the calculation accuracy of key parameters of shale gas reservoir, the methods of calculating gas saturation using non-electric logging information were studied in this paper, and three methods were obtained; neutron-density intersection method, TOC empirical model method and elemental logging volume component method. In addition, the effect of three methods were also compared and analyzed. Among them, the volume component method of elemental logging is the best one, and the other two methods can also meet the requirements of calculation accuracy in terms of logging data conditions.

参考文献/References:

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备注/Memo

备注/Memo:
(收稿日期: 2019-02-09 本文编辑 肖圣)第一作者: 谢慧卓,男,1992年生,硕士研究生,从事测井解释方面的研究。E-mail:727958737@qq.com
更新日期/Last Update: 2019-06-20