发明名称 |
PROFILE CONTROL IN ENHANCED OIL RECOVERY |
摘要 |
<p>T 8h68 PROFILE CONTROL IN ENHANCED OIL RECOVERY Oil recovery method using polymer solutions in which highly permeable strata are made significantly less permeable while less permeable strata are not made significantly less permeable. This is accomplished by heating more permeable strata by injection of hot fluids, and then injection of a crosslinkable vinyl aromatic-conjugated diolefin polymer and a temperature activated crosslinking agent. A crosslinked gel is formed in the initially more permeable strata, permitting recovery of oil from the initially less permeable strata.</p> |
申请公布号 |
CA2061357(A1) |
申请公布日期 |
1992.08.20 |
申请号 |
CA19922061357 |
申请日期 |
1992.02.17 |
申请人 |
SHELL CANADA LIMITED |
发明人 |
MORGENTHALER, LEE N.;KORCZ, WILLIAM H.;GREAK, JOHN L.;ERICKSON, JAMES R. |
分类号 |
C09K8/502;C09K8/82;E21B43/24;(IPC1-7):E21B33/138 |
主分类号 |
C09K8/502 |
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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