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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0391212 (1989-08-08) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 80 인용 특허 : 11 |
A method of producing methane by injecting inert gas, such as nitrogen, through an injection well into a solid carbonaceous subterranean formation (e.g., coal) and recovering methane from a production well(s). Methane desorption is achieved by reduction in methane partial pressure rather than by red
A method for producing methane from a solid carbonaceous subterranean formation penetrated by at least one injection well and at least one production well, the method of production comprising the steps of: (a) injecting a gas, consisting essentially of an inert gas, through the injection well and in
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