发明名称 |
HIGH SPEED DOWNHOLE COMMUNICATIONS NETWORK HAVING POINT TO MULTI-POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING |
摘要 |
A method and related apparatus for high speed digital data communications from multiple distributed modems to a single central modem (122) or a common transmission medium (80). In one embodiment, multiple downhole modems (130A, 130B, 130C), with each modem associated with a geophone (128A, 128B, 128C), transmit data to a surface modem over a single transmission medium. In a second embodiment, multiple transmission mediums are used and a plurality of downhole modems associated with geophones communicate to the surface modem over the down hole modem's respective transmission medium.
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申请公布号 |
WO0158078(A1) |
申请公布日期 |
2001.08.09 |
申请号 |
WO2001US02963 |
申请日期 |
2001.01.30 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
GARDNER, WALLACE, R.;MINEAR, JOHN, W. |
分类号 |
G01V1/22;G01V11/00;H04L27/26;(IPC1-7):H04L7/00;G01V1/00;H04J1/00 |
主分类号 |
G01V1/22 |
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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