<p>The present invention relates to a logging tool for detecting an element present in a fluid surrounding the tool downhole. The element is at least one bubble, particle or debris in the fluid, and the tool has a longitudinal axis and comprising an emitting device for emitting radiation, a lens for transmitting the radiation in a predetermined pattern of radiation, and a receiving device.</p>
申请公布号
WO2011051432(A1)
申请公布日期
2011.05.05
申请号
WO2010EP66448
申请日期
2010.10.29
申请人
WELLTEC A/S;HALLUNDBAEK, JOERGEN;ROBENHAGEN, ULRIK;KJAERSGAARD-RASMUSSEN, JIMMY
发明人
HALLUNDBAEK, JOERGEN;ROBENHAGEN, ULRIK;KJAERSGAARD-RASMUSSEN, JIMMY