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发明名称
Narrow band magnetostrictive acoustic source
摘要
A downhole seismic source for producing seismic waves in the 0.2-5 KHz frequency with a bandwidth of between 5 and 50 Hz is formed from a magnetostrictive bar with undamped end weights.
申请公布号
US5239514(A)
申请公布日期
1993.08.24
申请号
US19920958613
申请日期
1992.10.09
申请人
EXXON PRODUCTION RESEARCH COMPANY
发明人
WINBOW, GRAHAM A.;CHEN, SEN T.
分类号
B06B1/08;G01V1/52
主分类号
B06B1/08
代理机构
代理人
主权项
地址
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