| 发明名称 |
Method and device for transmitting data by cable and mud waves |
| 摘要 |
A device and method for transferring data between a bottom of a well and a surface, wherein a transfer of data is provided either by a mud wave generator or by a cable simultaneously or successively.
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| 申请公布号 |
US4945761(A) |
申请公布日期 |
1990.08.07 |
| 申请号 |
US19890313437 |
申请日期 |
1989.02.22 |
| 申请人 |
INSTITUT FRANCAIS DU PETROLE |
发明人 |
LESSI, JACQUES;MORIN, PIERRE |
| 分类号 |
E21B47/12;E21B47/18 |
主分类号 |
E21B47/12 |
| 代理机构 |
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代理人 |
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| 主权项 |
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