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公开(公告)号：EP2943648A4
公开(公告)日：2016-07-27
申请号：EP14773329
申请日：2014-03-27
发明人： CHANG CHUNG , ARIAN ABBAS , JONES RANDALL BENNETT , KAINER GARY , CHENG ARTHUR
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公开(公告)号：EP3149518A4
公开(公告)日：2017-11-22
申请号：EP15829448
申请日：2015-08-06
IPC分类号： G01V1/52
摘要： An acoustic tool for evaluating a geologic formation includes a housing member disposed between transmitter and receiver sections of the acoustic tool. The housing member defines a change in direction in an acoustic path extending therethrough such that acoustic signals traveling through the housing member are delayed and disrupted. The delay and disruption may isolate the acoustic signals traveling through the housing member from acoustic signals traveling through the geologic formation. Thus, the acoustic tool may facilitate identification and evaluation of acoustic signals traveling through the geologic formation.
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公开(公告)号：EP2875389A4
公开(公告)日：2016-06-01
申请号：EP14773236
申请日：2014-03-27
发明人： CHANG CHUNG , ARIAN ABBAS , KAINER GARY , JUNGHANS PAUL G , CHENG ARTHUR , JONES RANDALL BENNETT
CPC分类号： G01V1/523
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4.发明公开VARIABLE STIFFNESS DOWNHOLE TOOL HOUSING 审中-公开GEHÄUSEFÜREIN BOHRLOCHWERKZEUG MIT VARIABLER STEIFIGKEIT
公开(公告)号：EP2817662A4
公开(公告)日：2015-12-02
申请号：EP12876718
申请日：2012-05-17
发明人： CHANG CHUNG , CHENG ARTHUR , KAINER GARY
IPC分类号： G01V1/52
CPC分类号： E21B47/01 , E21B17/00 , E21B47/101 , E21B49/08 , G01V1/523
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公开(公告)号：EP2831631A4
公开(公告)日：2015-05-06
申请号：EP12874096
申请日：2012-04-09
发明人： BONAVIDES CLOVIS , MANDAL BATAKRISHNA , CHENG ARTHUR , ZHANG WEI , TRACADAS PHILIP WILLIAM , KAINER GARY , HOU HONG LI , DONDERICI BURKAY
CPC分类号： G01V1/143 , G01V2210/1299
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