天然气地球化学

碳酸盐岩储层微区地球化学分析技术的发展及应用

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  • 1.中国石油杭州地质研究院,浙江 杭州 310023;
    2.中国石油天然气集团碳酸盐岩重点实验室,浙江 杭州 310023
胡安平(1982-),女,浙江天台人,博士,主要从事储层地球化学和天然气地球化学研究. E-mail:huap_hz@petrochina.com.cn.

收稿日期: 2013-06-21

  修回日期: 2013-11-07

  网络出版日期: 2014-01-10

基金资助

中国石油勘探开发研究院中青年创新基金“碳氧同位素新方法的研究及应用”(编号:2009-A-17-04)资助.

Development and Application of Microarea Geochemistry Analysis Technology for Carbonate Reservoirs

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  • 1.PetroChina Hangzhou Research Institute of Geology,Hangzhou 310023,China;
    2.The Key Laboratory of Carbonate Reservoirs,CNPC,Hangzhou 310023,China

Received date: 2013-06-21

  Revised date: 2013-11-07

  Online published: 2014-01-10

摘要

碳酸盐岩成岩过程和孔隙类型复杂,储层物性特征变化大,岩石结构组分、世代胶结物和交代物也比较复杂多样,因此对碳酸盐岩储层研究提出挑战。微区地球化学研究方法就是应碳酸盐岩储层研究需要而发展起来的一套综合研究方法,其也是今后碳酸盐岩储层研究的重要发展方向。其中微区元素分析和微区同位素分析是近年来在储层地球化学研究领域中的热点和焦点,微区元素分析技术已形成了从主量和次量组分到痕量和超痕量组分分析的一个完整技术体系,包括电子探针(EMPA)、扫描电镜(SEM)及核探针(SNM),同步X-射线探针(SRXRM)和二次离子探针质谱(SIMS)以及激光溶蚀等离子质谱仪(LA-ICP-MS)等;碳酸盐岩微区同位素分析技术主要介绍了激光显微取样C\,O同位素分析技术、多接收激光等离子质谱分析技术(LA-MC-ICP-MS)和热电离子同位素比质谱分析技术(TIMS)。通过2个实例的剖析,说明了微区地球化学研究方法在碳酸盐岩储层研究中的重要意义,并指出微区多参数地球化学研究方法将是碳酸盐岩储层研究的重要发展趋势。

本文引用格式

胡安平,李秀芝,蒋义敏,胡圆圆,张杰 . 碳酸盐岩储层微区地球化学分析技术的发展及应用[J]. 天然气地球科学, 2014 , 25(1) : 116 -123 . DOI: 10.11764/j.issn.1672-1926.2014.01.116

Abstract

The microarea geochemistry technology has become an important trend for carbonate reservoirs because carbonate has complicated diagenesis process,porosity types,reservoir properties,rock structure,cementation and replacement.Recently,microarea element analysis and microarea isotope analysis have become the main research hotspots in this subject.Microarea element analysis technology has formed a complete technical system for main and minor element analysis,as well as trace and ultra trace element analysis,including EMPA,SEM,SNM,SRXRM,SIMS,LA-ICP-MS,and so on.In this paper we introduce three kinds of microarea isotope analysis technologies,such as carbon and oxygen isotope analysis with laser microsampling,LA-MC-ICP-MS and TIMS.Based on two example analysis,it is explained that the microarea geochemistry technology is of great importance and has become a trend in carbonate reservoir research.

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