天然气地质学

火山岩岩性、岩相识别方法——以准噶尔盆地滴南凸起火山岩为例

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  • 1.中国石油新疆油田公司采气一厂,新疆 克拉玛依 834000;
    2.中国石油华北油田公司采油一厂,河北 任丘 062550;
    3.中国石油新疆油田公司采油一厂,新疆 克拉玛依 834000;
    4.中国科学院科技战略咨询研究院,北京 100190;5.中国地质大学,北京 100083
石新朴(1966-),男,河南偃师人,高级工程师,博士,主要从事石油天然气地质学研究及管理工作. E-mail:〖WTBZ〗shixinpu@petrochina.com.cn.

收稿日期: 2016-03-24

  修回日期: 2016-08-18

  网络出版日期: 2019-09-10

基金资助

国家自然科学基金重点项目(编号:7113305);国家自然科学基金面上项目(编号:71673266)联合资助.

Identification methods of volcanic lithology,lithofacies:Taking the volcanic rocks of Dinan alient in the Junggar Basin as an instance

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  • 1.Gas Production Plant No.1,PetroChina Xinjiang Oilfield Company,Karamay 834000,China;
    2.Oil Production Plant No.1,PetroChina Huabei Oilfield Company,Renqiu 062550,China;
    3.Oil Production Plant No.1,PetroChina Xinjiang Oilfield Company,Karamay 834000,China;
    4.Research Institute of Technology Strategic Consulting,Chinese Academy of Sciences,Beijing 100190,China;
    5.China University of Geosciences,Beijing 100083,China

Received date: 2016-03-24

  Revised date: 2016-08-18

  Online published: 2019-09-10

摘要

准确识别火山岩岩性和岩相是进行火山机构重建及地震相刻画的基础。火山岩岩性复杂且变化快,其变化不同于砂岩分布变化服从于沉积规律,而是与火山建造和喷发期次等因素直接相关,造成目前无成熟的预测模型和较强规律性可以遵循预测。选择准噶尔盆地滴南凸起火山岩为研究对象,总结出适应火山岩复杂岩性岩相识别的技术方法,即首先利用测井、岩心等基础资料建立关键岩性电性识别图版,落实井点硬数据的岩性纵向分布;其次,建立不同岩性的地震响应特征;第三,在地震波阻抗二次刻画岩性分布范围的约束下,应用数学概率和变差函数分析技术对岩性进行精细刻画;最后,结合测井响应特征进行测井相与地震相的综合标定,建立典型的火山机构地质、测井、地震相模式,为火山岩机构识别提供依据。

本文引用格式

石新朴, 胡清雄, 解志薇, 杨朝栋, 周隶华, 孙德强, 吕灿, 贾智彬, 赵振 . 火山岩岩性、岩相识别方法——以准噶尔盆地滴南凸起火山岩为例[J]. 天然气地球科学, 2016 , 27(10) : 1808 -1816 . DOI: 10.11764/j.issn.1672-1926.2016.10.1808

Abstract

Accurate identification of volcanic lithology and lithofacies is the basis of volcanic apparatus reconstruction and seismic facies characterization.Because the volcanic rock lithofacies are complex and change rapidly,the variation of which is directly related to the factors of volcanic formation and eruptible stage,differing from the changes of sandstone distribution which is subject to sedimentary regularity.There is no mature prediction model or strong regularity that can be forecasted.The study proposed recognizable technical methods that can adapt to the complicated lithology and lithofacies.Some crucial viewpoints are concluded as follows.Firstly,utilize fundamental data of logging and cores to build identification plates of key lithology and electrical property,verify the longitudinal distribution of lithology of well point hard date.Secondly,establish seismic response characteristics of different lithology.Thirdly,in the constraints of lithology distribution range characterized by seismic impedance,apply mathematical probability and variation function analysis to meticulously depict the lithology.Finally,combine the logging response characteristics to synthetically calibrate logging facies and seismic facies,build typical models of geology,logging,seismic facies of volcanic apparatus to provide a basis for identifying volcanic apparatus.

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