Economic and Environmental Geology (자원환경지질)

The Korean Society of Economic and Environmental Geology (대한자원환경지질학회)
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The Status of Methane Hydrate Development

메탄하이드레이트 개발동향

  • Kim, Young-In (Korea Institute of Science and Technology Information(KISTI))
  • 김영인 (한국과학기술정보연구원 ReSEAT 프로그램)
  • Received : 2012.12.24
  • Accepted : 2013.01.23
  • Published : 2013.02.28
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Abstract

Most gas hydrates (GH) occur in ocean sediments. Global GH reserves are estimated to be $10^{13}{\sim}20{\times}10^{15}m^3$, which is nearly 1,000 times the amount of current world energy consumption. Methane hydrate (MH) has the potential to be developed into future natural gas resources to replace traditional oil and gas resources, and thus MH production technologies such as depressurization, inhibitor injection, thermal stimulation, and $CO_2-CH_4$ substitution need to be further developed. MH production, which is expected to be in test production until 2014 in Korea, is focused on the development of GH production technologies for use in the commercial production of methane gas. This study compares MH production technology and its ability to meet the twin goals of being both effective and environmentally friendly while taking into consideration the complex phenomena of GH decomposition.

대부분의 GH는 전세계 해양퇴적물에서 대부분 산출되며 매장량은 $10^{13}{\sim}20{\times}10^{15}m^3$로 현재 세계 에너지 사용량을 기준으로 근 1,000년에 해당하는 양이다. MH는 전통석유가스자원를 대체할 미래 천연가스자원으로써의 잠재력이 있기 때문에 감압법, 화학첨가제 주입법, 열자극법, $CO_2$-메탄 치환법 등 채굴기술개발이 필요하다. 우리나라의 경우 2014년까지는 시험생산이 가능할 것으로 기대되고 있다. 이를 위하여 생산방법을 비교하고 GH의 분해에 따르는 반응이 복잡하기 때문에 이러한 현상을 예측하는 기술과 효과적이고 환경 친화적인 가스를 생산할 수 있는 기술을 개발하는 것이다.

Keywords

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