发明名称 |
Drive for heavy oil recovery |
摘要 |
A method for the recovery of heavy oil from a subterranean silica-containing oil-containing formation comprising treating the formation with a slug of a hot aqueous solution containing sodium hydroxide and sodium bicarbonate capable of forming in-situ CO2 and metasilicate followed by injection of a drive fluid to aid in recovering the oil.
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申请公布号 |
US4487262(A) |
申请公布日期 |
1984.12.11 |
申请号 |
US19820452163 |
申请日期 |
1982.12.22 |
申请人 |
MOBIL OIL CORPORATION |
发明人 |
VENKATESAN, V. N.;SHU, WINSTON R. |
分类号 |
C09K8/592;C09K8/94;E21B43/24;(IPC1-7):E21B43/22 |
主分类号 |
C09K8/592 |
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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