发明名称 Fremgangsmåte og apparat for fjernstyring av endeutstyr i borehull
摘要 <p>A wellbore remote control system is disclosed which includes (1) a transmission apparatus for generating at least one acoustic transmission having a particular transmission frequency, (2) a reception apparatus which includes an electronic circuit (preferably digital) which detects and identifies the acoustic transmissions, and which provides an actuation signal to an electrically-actuated wellbore tool if a match is detected.</p>
申请公布号 NO964290(D0) 申请公布日期 1996.10.09
申请号 NO19960004290 申请日期 1996.10.09
申请人 BAKER HUGHES INC 发明人 TUBEL, PAULO S.;ROTHERS, DAVID EUGENE;MULLINS II, ALBERT A.;MCCORRY, MARK
分类号 E21B23/00;E21B23/04;E21B34/06;E21B41/00;E21B43/1185;E21B47/06;E21B47/18;(IPC1-7):E21B 主分类号 E21B23/00
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