Study on deep coalbed methane enrichment law and development countermeasures
The exploration of CBM in the deep eastern margin of Ordos Basin is briefly described.The enrichment law of deep coalbed methane is analyzed and studied,which believes that the thick coalbed reservoir is a favorable condition for life,and temperature,stress and gas content are the main control geological factors;the enrichment of dense top plate forms the deep"box"accumulation condition,and the forward microstructure is the main control factor with high yield.This paper expounds the development countermeasures of integrated horizontal well guide technology,large-scale volume fracturing technology and fine extraction control technology,which are of great significance to the efficient development of deep coalbed methane.
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