| 发明名称 |
NON-CRYOGENIC PRODUCTION OF NITROGEN FOR ON-SITE INJECTION IN DOWNHOLE DRILLING |
| 摘要 |
There is disclosed a method for oil or gas drilling or the drilling of a geothermal well in which a compressed inert gas, produced by the non-cryogenic separation of air is delivered to the drilling region of the downhole.
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| 申请公布号 |
WO9429566(A1) |
申请公布日期 |
1994.12.22 |
| 申请号 |
WO1994US06729 |
申请日期 |
1994.06.14 |
| 申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
MICHAEL, KEITH |
| 分类号 |
C08K7/08;C09K8/38;E21B21/14;E21B21/16;E21B43/12;(IPC1-7):E21B21/00;C09K7/08 |
主分类号 |
C08K7/08 |
| 代理机构 |
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