发明名称 |
System and method for measurement while drilling telemetry |
摘要 |
A system for transmitting information in a well comprises a tubular string disposed in the well and having a drilling fluid flowing therethrough. A pulser is disposed in the tubular string and transmits a pulse synchronization marker comprising a chirp signal. A surface controller, acting under programmed instructions, detects the chirp signal adjusts a signal decoding technique based on the detected chirp signal. |
申请公布号 |
GB2449195(A) |
申请公布日期 |
2008.11.12 |
申请号 |
GB20080015416 |
申请日期 |
2007.02.09 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
CHRISTIAN KLOTZ;HANNO RECKMANN;INGOLF WASSERMANN;JOHN D. MACPHERSON;JOSE ALONSO-ORTIZ;ANDREW GOODWIN BROOKS |
分类号 |
E21B47/18;H04H60/31 |
主分类号 |
E21B47/18 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|