发明名称 |
Method for reducing induction noise in towed marine electromagnetic survey signals |
摘要 |
A method for reducing effect of motion on electromagnetic signals detected while moving an electromagnetic receiver through a body of water includes measuring a parameter related to an amount of current passed through an electromagnetic transmitter to induce an electromagnetic field in subsurface formations. A magnetic field proximate the electromagnetic receiver is measured. A transmitter portion of the measured magnetic field is estimated from the measured parameter. A motion portion of the measured magnetic field is estimated from the measured magnetic field and the estimated transmitter portion. A voltage induced in the receiver is estimated from the estimated motion portion. Signals detected by the receiver are corrected using the estimated voltage. |
申请公布号 |
US8649992(B2) |
申请公布日期 |
2014.02.11 |
申请号 |
US20080218638 |
申请日期 |
2008.07.17 |
申请人 |
ZIOLKOWSKI ANTONI MARJAN;CARSON RICHARD GRAEME;PGS GEOPHYSICAL AS |
发明人 |
ZIOLKOWSKI ANTONI MARJAN;CARSON RICHARD GRAEME |
分类号 |
G01C25/00;G01D18/00;G01F25/00 |
主分类号 |
G01C25/00 |
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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