发明名称 |
Process for the selective reduction of water inflows in oil or gas producing wells |
摘要 |
This process comprises injecting a non-hydrolyzed acrylamide polymer or copolymer into the producing formation and producing hydrolysis thereof in situ by subsequent injection of an alkali metal basic compound. It is then possible to restart the well in oil or gas production.
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申请公布号 |
US4842071(A) |
申请公布日期 |
1989.06.27 |
申请号 |
US19880164939 |
申请日期 |
1988.03.07 |
申请人 |
INSTITUT FRANCAIS DU PETROLE |
发明人 |
ZAITOUN, ALAIN;KOHLER, NORBERT |
分类号 |
C09K8/88;E21B43/32 |
主分类号 |
C09K8/88 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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