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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0252566 (1981-04-09) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 10 인용 특허 : 2 |
The scaling of a production well in a clay-containing reservoir is inhibited by injecting a scale inhibitor dissolved in an aqueous solution having a pH and ratio of monovalent-to-multivalent cations such that multivalent cation salts of the inhibitor are precipitated as a result of a cation-exchang
A well treating process for inhibiting scaling by fluid which is produced from a clay-containing subterranean reservoir which tends to exchange cations with those contained within an injected aqueous solution, comprising: dissolving within an aqueous solution of relatively neutral pH (a) at least on
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