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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0267257 (1988-11-04) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 182 인용 특허 : 8 |
A method is provided for recovering oily waste from oily waste accumulations underground comprising sweeping the oily waste accumulation with hot water to recover said oily waste, wherein said area treated is isolated from surrounding groundwater hydraulically. The hot water may be reinjected after
A method for recovering oily waste from oily waste accumulations underground comprising: hydraulically isolating an area of oily waste accumulation from ground water by a method selected frm the group consisting of providing production wells around said area, providing a ring of injection wells arou
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