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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0716262 (1991-06-17) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 83 인용 특허 : 0 |
In accordance with an illustrative embodiment of the present invention, a well perforation cleaning tool includes a fluidic oscillator that creates pressure changes which induce cyclical stresses in the damaged skins of the perforations and causes the skins to disintegrate in order to improve the pr
In a well tool for use in cleaning a perforation that extends from a well bore into a formation, said well tool having an elongated tubular body with upper and lower chambers therein, fluidic oscillator means in said upper chamber having first and second outlets, said oscillator means being responsi
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