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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0986842 (1992-12-04) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 210 인용 특허 : 0 |
Methane is produced from a coal seam penetrated by an injection well and a gas production well by first introducing liquefied or gaseous carbon dioxide through the injection well and into the coal seam and subsequently introducing a weakly adsorbable gas through the injection well and into the coal
A process for recovering an adsorbed fuel gas from an underground deposit comprising: (a) injecting a first stream comprising as major components one or more strongly adsorbable fluids into said deposit; (b) injecting a second stream comprising one or more weakly adsorbable gases into said deposit,
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