发明名称 |
Communications system having redundant channels |
摘要 |
<p>A system for use in a well having completion zones includes a surface node and a plurality of downhole nodes positioned in the completion zones. A communications link extends into the well and is coupled to the surface node and downhole nodes. The communications link includes channels coupling successive nodes, and the surface node and downhole nodes are coupled in a loop by the channels.</p> |
申请公布号 |
GB2361494(B) |
申请公布日期 |
2003.01.22 |
申请号 |
GB20010010475 |
申请日期 |
1999.11.16 |
申请人 |
* SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
GUY V * LABORDE |
分类号 |
E21B47/12;G01V1/22;G01V1/40;H04L12/423;H04L12/437;(IPC1-7):E21B47/12 |
主分类号 |
E21B47/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|