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1. 发明申请

WO1997027502A1 A DRILLING SYSTEM WITH AN ACOUSTIC MEASUREMENT-WHILE-DRILLING SYSTEM FOR DETERMINING PARAMETERS OF INTEREST AND CONTROLLING THE DRILLING DIRECTION 审中-公开
标题翻译：具有用于确定钻杆参数和控制钻孔方向的声学测量 - 钻孔系统的钻孔系统
公开(公告)号：WO1997027502A1
公开(公告)日：1997-07-31
申请号：PCT/US1997001235
申请日：1997-01-24
申请人： BAKER HUGHES INCORPORATED
发明人： BAKER HUGHES INCORPORATED , LEGGETT, James, V., III , DUBINSKY, Vladimir , HARRELL, John, W. , BALOGH, William, Thomas , SEATON, Paul, J., G. , BROOKS, Andrew, G. , HERBERT, Roger, P.
IPC分类号： G01V01/44
CPC分类号： G01V1/44 , G01V1/48
摘要： The present invention provides a system (10) for drilling boreholes (26) having a downhole subassembly (59) which contains an acoustic measurement-while-drilling system. The acoustic system contains an acoustic transmitter (T1) and receiver (R) for determining the acoustic velocity through the formations surrounding the borehole ad an acoustic transmitter (T2) and a set of receivers (R1-Rn) for determining the bed boundaries surrounding the borehole formation utilizing the acoustic velocities measured by the system. The downhole subassembly (59) also contains a computing system (150) which performs computations downhole and transmits certain answers uphole during the drilling operations. The bed boundary information is utilized to drill the wellbore along a desired wellbore path. The downhole computing system (150) correlates the acoustic sensor measurements with other measurement-while-drilling measurements and transmits selected correlated information uphole. The downhole computing system (150) contains predetermined well profile which is updated based on the bed boundary information. The system may be adapted to correct or update seismic data and offset well data based on acoustic sensor system measurements.
摘要翻译：本发明提供了一种用于钻孔（26）的系统（10），其具有井下子组件（59），其包含声学测量同时钻孔系统。声学系统包含声发射器（T1）和接收器（R），用于确定穿过钻孔周围的地层和声发射器（T2）和一组接收器（R1-Rn）的声速，用于确定围绕井眼形成利用系统测量的声速。井下子组件（59）还包含计算系统（150），该计算系统在井下执行计算，并在钻井操作期间将某些答案发送到井上。床边界信息用于沿着期望的井眼路径钻井井。井下计算系统（150）将声学传感器测量与其他测量同时测量相关联，并将所选择的相关信息发送到井上。井下计算系统（150）包含基于床边界信息而更新的预定井剖面。该系统可以适于基于声传感器系统测量来校正或更新地震数据和偏移井数据。

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