General philosophy,method system and key technology of conventionaland unconventional oil & gas resource assessment

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  • Research Institute of Petroleum Exploration & Development,PetroChina,Beijing 100083,China

Received date: 2016-04-27

  Revised date: 2016-06-09

  Online published: 2019-09-10

Abstract

Resource assessment is a very important fundamental research work in petroleum exploration & development.Previous oil & gas resources assessment methods and practices are systematicly reviewed in this paper.Based on the latest progresses in exploration and geological understandings,this paper analyses the production requirements,evaluation objects,technology status and the confront main task of resource assessment under new circumstance,clarifies the connotation,characteristics and future development direction of resources assessment.On this basis,the paper elaborates the general philosophy,“Four Steps” assessment process and method system of the 4th Round Oil & Gas Resources Assessment.According to the new assessment requirements and different types of evaluation objects,8 key evaluation techniques have been developed,which includes fine evaluation technique of  hydrocarbon source rocks,fine evaluation technique of the “Calibrated Units”,3D simulation technique of oil & gas migration and accumulation,simulation technique of fracture-cavity type carbonate,grading resource abundance analogy technique,cell volumetric method rated evaluation technique,EUR analogy evaluation technique,and a new generation of oil & gas resources assessment system(HyRAS2.0).

Cite this article

Li Jian-zhong, Wu Xiao-zhi, Zheng Min, Guo Qiu-lin, Wang She-jiao, Dong Da-zhong, Chen Xiao-ming, Xie Hong-bing . General philosophy,method system and key technology of conventionaland unconventional oil & gas resource assessment[J]. Natural Gas Geoscience, 2016 , 27(9) : 1557 -1565 . DOI: 10.11764/j.issn.1672-1926.2016.09.1557

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