发明名称 |
Transmitting information over a communication link |
摘要 |
A communications system for use in a well includes a communications link and a plurality of nodes coupled to the communications link. The plurality of nodes include a transmitting node and responding nodes. The transmitting node adapted to transmit a predefined command (e.g., a special read command), and the responding nodes each includes a control device adapted to respond to the predefined command by transmitting a data block.
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申请公布号 |
GB0110483(D0) |
申请公布日期 |
2001.06.20 |
申请号 |
GB20010010483 |
申请日期 |
1999.11.16 |
申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
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分类号 |
E21B47/12;H04L12/403;H04L29/06;H04L29/08 |
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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地址 |
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