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天然气地球科学

• 天然气地球化学 • 上一篇    下一篇

天然气混源比例定量计算的多元数理分析方法

陶国亮，王杰，秦建中，刘文汇，腾格尔，申宝剑   

  1. （中国石化石油勘探开发研究院无锡石油地质研究所，江苏 无锡 214151）
  • 收稿日期:2015-07-01 修回日期:2015-08-31 出版日期:2016-02-10 发布日期:2016-02-10
  • 作者简介:陶国亮（1981），男，江苏高邮人，高级工程师，博士，主要从事油气地球化学研究. Email:taogl.syky@sinopec.com.
  • 基金资助:

    国家重点基础研究发展计划（973计划）项目“早古生代海相层系烃源特征与成藏过程示踪”（编号：2012CB214801）；中国石化科技部项目“海相油气成藏定年技术研究及应用”（编号：P12009）；国家科技重大专项“海相碳酸盐岩层系烃源演化与评价技术”（编号：2011ZX0500500102）联合资助.

The multivariate data analysis method of quantitative calculation of mixed proportion of natural gas

Tao Guoliang，Wang Jie，Qin Jianzhong，Liu Wenhui，Tenger，Shen Baojian   

  1. Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi 214151, China
  • Received:2015-07-01 Revised:2015-08-31 Online:2016-02-10 Published:2016-02-10

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摘要：

通过选择端元样品、进行人工配比混源实验并建立图版，进而判识天然气混源比例的方法仍是目前最常使用混源气组成比例判识的方法。在实例展示的基础上，提出该方法存在的2点主要问题：一是在复杂地区端元样品无法获取；二是很多地区存在多个端元，造成人工配比的工作量过大。针对这2点主要问题，提出了一种多元数理分析方法用来定量计算天然气混源比例。通过实例解剖，证明该方法准确可靠。指出应用该方法，可以在不知道端元样品、不进行人工混源实验的情况下，直接计算混源气中端元的数量、组成和贡献比例，该方法在研究复杂地质条件下混源气比例时具有特别的作用。

关键词: 混源气, 混源实验, 混源比例, 多元数理分析

Abstract:

Artificial gas mixing experiment is frequently adopted in quantifying mixed gases at present.The common process of this experiment is summarized via one case study,and two main problems of the experiment have been put forward.A new multivariate data analysis method is set up to quantitatively calculate the mixed proportion of natural gases.The method is proved in another case study.Through this method,the numbers,composition and proportion of end member samples could be calculated and confirmed even without knowing any information of the potential end member samples or adopting the artificial gas mixing experiment.This method is particularly useful to quantify mixed proportion under complicated geological conditions.

Key words: Mixed gas, Artificial oil mixing experiment, Mixed proportion, Multivariate data analysis

中图分类号: 

  • TE122.1

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[3] 黄籍中； . 油气区天然气成因分类及其在四川盆地的应用[J]. 天然气地球科学, 1991, 2(1): 6-15.
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