Abstract
References
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본 연구에서는 고갈가스전, 대수층, 암염공동 및 인공공동 등 천연가스 지하저장 방법에 관한 특성 및 적용조건을 분석하고, 전 세계적으로 실제 현장에 적용되고 있는 운영현황에 대해 고찰하였다. 분석결과, 고갈가스전에 저장하는 방식은 전 세계 워킹가스(working gas)의 약 81.6%를 차지하는 매우 안전하고 경제적인 방법이며 다른 방식에 비해 많은 양의 가스를 저장할 수 있는 장점이 있어 러시아 등의 국가에서 전략적인 가스저장에 많이 활용되고 있다. 전체 국가별로는 총 606개의 지하저장설비에서 약 303,134×106 m3의 워킹가스를 저장하고 있으며, 특히 미국의 워킹가스 용량은 100,847×106 m3으로 러시아의 63,533×106 m3에 비해 압도적으로 많은 것을 확인하였다. 또한 고갈가스전을 저장시설로 전환하기 위해 고려해야하는 필수적인 기술검토 사항을 도출함으로써 국내 동해-1 가스전의 지하저장시설 전환시 기술적 타당성 검토에 활용코자 하였다. 본 연구의 결과는 향후 국내 도입이 논의되고 있는 러시아로부터의 PNG 공급에 대한 저장시설 확보 대안방법 선정에 활용될 수 있을 것으로 판단된다.
It has been investigated and analyzed the characteristic and the condition of a conversion of depleted gas reservoir, aquifer, salt cavern, and artificial cavern, etc. to a underground natural gas storage along with the operation status of field application. The results show that underground storage in depleted gas reservoir is so safe and economic type that about 81.6% of the world’s working gas is stored in this type. It is strategically used in Russia and other countries because of its merit of huge storage capacity for natural gas compared to other storage types. In detail, 606 underground storages are storing working gas of 303,134×106 m3. In the case of USA, working gas capacity of 100,847×106 m3 is confirmed which is significantly overwhelming that of Russia's 63,533×106 m3. Moreover, we have derived the technical particulars for a conversion of depleted gas reservoir to underground storage facilities in order to utilize as preliminary material for analysing technical feasibility in the event of the conversion of Korea’s Donghae-1 gas field to underground storage facilities. These results of the study can be effectively utilized in deciding a method to secure storage facilities for PNG import from Russia which is currently in discussion.
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- Publisher :The Korean Society of Mineral and Energy Resources Engineers
- Publisher(Ko) :한국자원공학회
- Journal Title :Journal of the Korean Society for Geosystem Engineering
- Journal Title(Ko) :한국지구시스템공학회지
- Volume : 46
- No :1
- Pages :114-124
Journal of the Korean Society of Mineral and Energy Resources Engineers
