发明名称 Geophone securement mechanism
摘要 A seismic sensor comprising a coil assembly suspended in a magnet field produced by a magnet assembly, and a locking mechanism for preventing the coil assembly from moving freely until a seismic event is initiated at the surface or within an earth formation to collect seismic data.
申请公布号 US7639566(B2) 申请公布日期 2009.12.29
申请号 US20080053620 申请日期 2008.03.23
申请人 SCHLUMBERGER TECHNOLOGY CORPORATION 发明人 KAMATA MASAHIRO;WILSON COLIN
分类号 H04R9/00 主分类号 H04R9/00
代理机构 代理人
主权项
地址