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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0694700 (1976-06-10) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 287 인용 특허 : 1 |
Underground viscous hydrocarbon deposits, such as the viscous residues in conventional oil wells, are heated by mechanical wave energy to fluidize the hydrocarbons thereby to facilitate extraction thereof. For uniform, circular, symmetrical dispersion of mechanical wave energy of high-power and low-
Underground viscous hydrocarbon deposits, such as the viscous residues in conventional oil wells, are heated by mechanical wave energy to fluidize the hydrocarbons thereby to facilitate extraction thereof. For uniform, circular, symmetrical dispersion of mechanical wave energy of high-power and low-frequency, a mechanical wave energy radiator is provided comprising a cylindrical elastic tube of springy steel or the like preferably dimpled or corrugated and closed at one end and containing a liquid medium. Mechanical wave energy is applied to the liquid medium by a reciprocating source or the like connected to the radiator by a rigid walled tubular pipe or the like. The axial length of the radiator tube should be an odd multiple of one-quarter wavelength of the mechanical wave energy transmitted. Cavitation within the liquid is avoided by biasing the system with a steady state pressure at least as great as the maximum negative pressure swing of the mechanical waves in the liquid. Transformers are disclosed for accommodating changes in pipe diameter and changes in liquid medium throughout the system.
The mechanical wave heating in situ of a selected portion of an underground deposit of hydrocarbons by means of a mechanical wave radiator immersed in a fluid medium which is in direct contact with the said selected portion and located in a well communicating with said selected portion of the deposi
The mechanical wave heating in situ of a selected portion of an underground deposit of hydrocarbons by means of a mechanical wave radiator immersed in a fluid medium which is in direct contact with the said selected portion and located in a well communicating with said selected portion of the deposit, the radiator transmitting mechanical wave energy to the selected portion of the deposit until the selected portion becomes fluid, the said radiator comprising a tube for containing a liquid medium for transmitting mechanical waves, said tube being closed at one end and having connecting means at the other end for connection to a source of mechanical waves, said tube having side walls made of elastic material suitably formed for oscillatory deflection in response to the application of mechanical waves from said source to said liquid medium.
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