New recognization of CBM enrichment pattern and resource potential in China

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  • PetroChina Research Institute of Petroleum Exploration and Development-Langfang,Langfang 065007,China

Received date: 2016-05-24

  Revised date: 2016-07-20

  Online published: 2019-09-11

Abstract

The enrichment regularity of CBM in different coal rank is described.The characteristics of the medium-high coal rank sedimentary controlled reservoir and hydrodynamic gas control and structural adjustment are investigated.Sufficient gas source supply and good sealing conditions are keys to the enrichment of low-rank coal.With further exploration and development of CBM,more and more detailed resource evaluation parameters and rich and reliable research methods,as well as the accuracy and reliability of the results of the evaluation of resources have been further exactituded.Combined with China’s CBM resources classification and distribution results,this study summarized the coal seam gas resources in our country as a whole “North and South Division,East and South Area”.From east to west,it changes from a relatively rich gas into relatively poor gas zone,and from north to south it changes from pressure type area to gradient force type region.In the middle zone of North China,Ordos Basin is easy to form a high yield zone.

Cite this article

Geng Meng, Chen Hao, Chen Zhen-hong, Li Gui-zhong, Deng Ze, Li Ya-nan . New recognization of CBM enrichment pattern and resource potential in China[J]. Natural Gas Geoscience, 2016 , 27(9) : 1659 -1665 . DOI: 10.11764/j.issn.1672-1926.2016.09.1659

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