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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0518784 (1990-05-04) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 293 인용 특허 : 0 |
A separate heat source, such an a skin effect heater, is added to a subterranean heat exchanger and oxygen combustion device for upgrading viscous crude oil feeds. An insulated wire is integrated with combustion oxygen supply piping to form the skin effect heater operating in conjunction with the he
A separate heat source, such an a skin effect heater, is added to a subterranean heat exchanger and oxygen combustion device for upgrading viscous crude oil feeds. An insulated wire is integrated with combustion oxygen supply piping to form the skin effect heater operating in conjunction with the heat exchanger. The separately controlled heater output allows a reduction of the heat from the combustion device reduced quantities of combustion products. The improvement down-sizes or eliminates excess combustion product removal facilitates and also preheats the oxygen supply. The skin-effect heater and heat exchanger combination adds heat gradually and increases feed residence time at the desired upgrading temperature and pressure conditions. Alternative embodiments can be used to treat heavy crudes within a producing well.
A method for producing a pipeline transportable product stream from a high viscosity, combustible feed stream, said method comprising: a. downwardly flowing said feed stream, wherein pressure is increasing as said feed stream flows towards the bottom of a subterranean cavity; and b. heating said fee
A method for producing a pipeline transportable product stream from a high viscosity, combustible feed stream, said method comprising: a. downwardly flowing said feed stream, wherein pressure is increasing as said feed stream flows towards the bottom of a subterranean cavity; and b. heating said feed stream to a temperature sufficient to product said transportable product stream at a location near the bottom of said cavity, said heating comprising: exchanging heat from said product stream to said feed stream within a heat exchanger, heating said feed stream; make-up heating said feed stream from a source other than said product stream and an oxidizing reaction, wherein at least a portion of said make-up heating is accomplished within said heat exchanger during said exchanging heat step, wherein said heating and make-up heating steps result in a preheated stream; and reacting said preheated stream with an oxidizer stream.
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