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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0147122 (1993-11-03) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 279 인용 특허 : 0 |
A method for reducing the inert gas fraction volume percent present in a methane-containing mixture produced by injecting an inert gas into a solid carbonaceous subterranean formation is disclosed. The method reduces the inert gas fraction by suspending the injection of the inert gas or by reducing
A method for reducing the inert gas fraction volume percent present in a methane-containing mixture produced by injecting an inert gas into a solid carbonaceous subterranean formation is disclosed. The method reduces the inert gas fraction by suspending the injection of the inert gas or by reducing a rate of injection of the inert gas. Additional methods are disclosed in which the inert gas volume percent of a gaseous mixture produced from more than one well can be maintained below the inert gas volume percent present in a gas obtained from at least one of the wells.
A method for reducing the amount of an inert methane-desorbing gas present in a methane-containing gaseous mixture produced from a solid carbonaceous subterranean formation, said method comprising the steps of: injecting an inert methane-desorbing gas into the formation; thereafter suspending inject
A method for reducing the amount of an inert methane-desorbing gas present in a methane-containing gaseous mixture produced from a solid carbonaceous subterranean formation, said method comprising the steps of: injecting an inert methane-desorbing gas into the formation; thereafter suspending injection of the methane-desorbing gas; recovering a first methane-containing gaseous mixture from the formation during at least a portion of the injecting step, said mixture having a first methane-desorbing gas volume percent; and recovering a second methane-containing gaseous mixture from the formation after performing the suspending step, said second gaseous mixture having a second methane-desorbing gas volume percent less than said first methane-desorbing gas volume percent.
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