发明名称 |
Slickline signal filtering apparatus and methods |
摘要 |
A signal filtering apparatus and associated methods enable noise to be significantly reduced or eliminated from a signal. In a described embodiment, the signal is indicative of tension in a slickline. An adaptive filter is used to effectively cancel the noise from the signal, using an input signal characteristic of a noise source.
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申请公布号 |
US2004003921(A1) |
申请公布日期 |
2004.01.08 |
申请号 |
US20020187529 |
申请日期 |
2002.07.02 |
申请人 |
SCHULTZ ROGER L.;CHEN DINGDING;DEJESUS ORLANDO |
发明人 |
SCHULTZ ROGER L.;CHEN DINGDING;DEJESUS ORLANDO |
分类号 |
H03H21/00;(IPC1-7):E21B47/00 |
主分类号 |
H03H21/00 |
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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