| 发明名称 |
AN IMPROVED METHOD OF EXTRACTING OIL FROM A GEOLOGICAL FORMATION |
| 摘要 |
<p>The method uses a central well, at least one subhorizontal drain and a displacing agent. The displacing agent is injected into the formation either from the central well or from the subhorizontal drain and causes the required fluid to migrate. …<IMAGE>… </p> |
| 申请公布号 |
IN169933(B) |
申请公布日期 |
1992.01.11 |
| 申请号 |
IN1987MA46719 |
申请日期 |
1987.06.26 |
| 申请人 |
INSTITUT FRANCAIS DU PETROLE & SOCIETE NATIONALE ELF AQUITAINE (PRODUCTION) |
发明人 |
GERARD RENARD;JEAN FRANCOIS GIANNESINI |
| 分类号 |
E21B43/16;E21B43/30;(IPC1-7):E21B43/00 |
主分类号 |
E21B43/16 |
| 代理机构 |
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