| 发明名称 |
Method of extracting crude oil from oil wells |
| 摘要 |
The invention concerns methods of extracting crude oil from oil wells and aims to improve their productivity. The method involves lowering the pressure in the well until a point is reached where the productivity coefficient increases sharply. |
| 申请公布号 |
AU5868394(A) |
申请公布日期 |
1994.07.19 |
| 申请号 |
AU19940058683 |
申请日期 |
1993.12.17 |
| 申请人 |
SERGEI ALEKSEEVICH KHRISTIANOVICH |
发明人 |
SERGEI ALEXEEVICH KHRISTIANOVICH;JURY FEDOROVICH KOVALENKO;ALEXENDR REMSOVICH KURLAEV;JURY VLADIMIROVICH KULINICH;DMITRY MIKHAILOVICH KLIMOV;KUBENTAI SUESINOV;MIKHAIL PETROVICH GUDYRIN;BORIS FEDOROVICH SAZONOV;VENEDIKT IVANOVICH KALGANOV |
| 分类号 |
E21B43/16;E21B43/12;E21B43/18;E21B43/25;E21B47/10 |
主分类号 |
E21B43/16 |
| 代理机构 |
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