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[1]謝慧卓,李會銀,袁衛國,等.龍馬溪低電阻率頁巖含氣飽和度計算研究[J].測井技術,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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龍馬溪低電阻率頁巖含氣飽和度計算研究()

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《測井技術》[ISSN:1004-1338/CN:61-1223/TE]

卷:: 第43卷
期數:: 2019年02期

頁碼:: 161-166

欄目:: 非常規油氣評價

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

文章編號:: 1004-1338(2019)02-0161-06

作者:: 謝慧卓¹; 李會銀¹; 袁衛國²; 馮明剛²; 嚴偉²; 孫建孟¹; (1.中國石油大學(華東)地球科學與技術學院, 山東青島 266580; 2.中國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)

關鍵詞:: 低電阻率; 頁巖氣儲層; 含氣飽和度; 總有機碳含量

Keywords:: low resistivity; shale gas reservoir; gas saturation; total organic carbon content(TOC)

分類號:: P631.84

DOI:: 10.16489/j.issn.1004-1338.2019.02.010

文獻標志碼:: A

摘要:: A井龍馬溪-五峰組巖氣層段電阻率值相對較低,較低的電阻率往往會導致利用電法測井信息的Archie等公式計算獲得的含氣飽和度遠遠低于實驗分析值。為提高頁巖氣層關鍵參數的計算精度,開展了利用非電法測井信息計算含氣飽和度的3種方法研究:中子密度交會法計算含氣飽和度、總有機碳含量經驗模型法計算含氣飽和度、元素測井體積組分法計算含氣飽和度,并進行比較分析,其中元素測井體積組分法效果最佳,其他2種方法視測井資料條件也能滿足計算精度要求。

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.

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備注/Memo

備注/Memo:: (收稿日期: 2019-02-09 本文編輯肖圣)第一作者: 謝慧卓,男,1992年生,碩士研究生,從事測井解釋方面的研究。E-mail:[email protected]

更新日期/Last Update: 2019-06-20