天然气地球科学

• 天然气勘探 • 上一篇    下一篇

新时期我国天然气勘探形势及战略思考

佘源琦,高阳,杨桂茹,李剑,李君,李明鹏   

  1. 中国石油勘探开发研究院,河北 廊坊 065007
  • 收稿日期:2018-10-29 修回日期:2018-12-14 出版日期:2019-05-10
  • 作者简介:佘源琦(1984-),男,湖北赤壁人,工程师,硕士,主要从事天然气地质与油气勘探战略规划研究.E-mail:sheyuanqi@petrochina.com.cn.
  • 基金资助:
    国家科技重大专项“致密气富集规律与勘探开发关键技术”(编号:2016ZX05047)资助.

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

摘要: 我国天然气勘探已进入第三阶段快速发展时期,正面临一系列新的挑战和问题。通过分析中国大气田勘探现状、理论与技术攻关进展,以及由此带来的天然气勘探理念、领域类型等格局的深刻变化,总结认为目前我国天然气勘探存在5个方面主要问题:①深层资源认识程度较低;②中西部大气田成藏规律认识不足制约勘探目标落实;③全国范围非常规气资源潜力与经济前景认识不明晰;④复杂气藏仍面临一系列技术瓶颈;⑤资源日益劣质化与成本上升导致勘探效益下行。分析认为,国内天然气上游应充分预判国际产业冲击影响,结合国内天然气上产、保供等形势,加大非常规气勘探力度与政策扶持,推动技术创新与集成,实现复杂气藏效益开发。新形势下勘探部署应当在领域分类基础上,通过资源潜力、储量潜力、勘探开发综合成本等关键指标综合评价,结合不同探区发展形势与特征,实施不同勘探部署策略。

关键词: 天然气, 勘探形势, 复杂气藏, 勘探战略, 项目评价

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

中图分类号: 

  • TE132.1+1
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