Method for minimizing the occurrence of fires during well drilling operations |
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| 申请号 | US20975562 | 申请日 | 1962-07-13 | 公开(公告)号 | US3286778A | 公开(公告)日 | 1966-11-22 |
| 申请人 | WELL COMPLETIONS INC; | 发明人 | GORDON JACKSON JOHN; | ||||
| 摘要 | |||||||
| 权利要求 | 1. THE METHOD OF MINIMIZING THE OCCURRENCE OF FIRE DURING DRILLING OF WELLS WHEREIN AIR IS USED AS THE CIRCULATING FLUID, WHICH METHOD COMPRISES: INTRODUCING INTO THE CIRCULATING AIR MATERIALS WHICH REACT TO FORM A SUFFICIENT AMOUNT OF AN INERT GAS TO REDUCE THE OXYGEN CONTENT OF THE AIR BELOW THAT WHICH WILL SUPPORT COMBUSTION. |
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| 说明书全文 | |||||||
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