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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0253994 (1981-04-13) |
우선권정보 | DE-2812490 (1978-03-22) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 166 인용 특허 : 3 |
A method determines the extent of subsurface reactions in which random acoustic signals are radiated from a whole area covered by the reaction or from a boundary region, hereafter termed reaction front, between largely undisturbed rocks and those already covered by the reaction. The signals are reco
A method for determining the extent of subsurface reactions in an earth formation in which random acoustic signals are radiated from that portion of the earth formation involved in the reaction comprising the steps of recording the acoustic signals by at least two receivers, and cross-correlating th
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