Natural Gas Geoscience

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Strategy consideration of China’s natural gas exploration situation

She Yuan-qi,Gao Yang,Yang Gui-ru,Li Jian,Li Jun,Li Ming-peng   

  1. Research Institute of Petroleum Exploration and Development,CNPC,Langfang 065007,China
  • Received:2018-10-29 Revised:2018-12-14 Online:2019-05-10

Abstract: China’s natural gas exploration has entered the third stage of rapid development and faced new challenges. Through the analysis of China’s large gas field exploration progress,achievements of theoretical and technical,profound changes in natural gas exploration philosophy,source types and prospect,it revealed five major problems in China’s present natural gas exploration process:(1)Uncertainty of deep natural gas resources;(2)Insufficient understanding of accumulation mechanism in large gas fields leads to the lack of exploration targets;(3)The potential and economic prospects of unconventional gas has great uncertainty;(4)Complex gas reservoir still faces a series of technical bottlenecks;(5)Resources are getting worse and the ever-growing of costs leads to the decrease of exploration benefits. The analysis shows that the upstream of domestic natural gas should fully predict the impact of international industrial shock,combine the situation of domestic natural gas production and supply preservation,increase the strength and policy support of unconventional natural gas exploration,promote technological innovation and integration,and realize the complex benefit development. Under the new situation,exploration and deployment should be evaluated comprehensively by key indexes such as resource potential,reserves potential and comprehensive cost of exploration and development on the basis of domain classification,and different exploration deployment strategies should be carried out in combination with the development situation and characteristics of different exploration areas.

Key words: Natural gas, Exploration situation, Complex gas reservoir, Exploration strategy, Project evaluation

CLC Number: 

  • TE132.1+1
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