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    • 4. 发明申请
    • APPARATUS AND SYSTEM FOR WELL PLACEMENT AND RESERVOIR CHARACTERIZATION
    • 装置和系统,用于井架和储层特征
    • US20060011385A1
    • 2006-01-19
    • US11160533
    • 2005-06-28
    • JEAN SEYDOUXEMMANUEL LEGENDREREZA TAHERIAN
    • JEAN SEYDOUXEMMANUEL LEGENDREREZA TAHERIAN
    • E21B7/04G01V3/08
    • G01V3/28
    • A resistivity array having a modular design includes a transmitter module with at least one antenna, wherein the transmitter module has connectors on both ends adapted to connect with other downhole tools; and a receiver module with at least one antenna, wherein the transmitter module has connectors on both ends adapted to connect with other downhole tools; and wherein the transmitter module and the receiver module are spaced apart on a drill string and separated by at least one downhole tool. Each transmitter and receiver module may comprise at least one antenna coil with a magnetic moment orientation not limited to the tool longitudinal direction. A spacing between the transmitter and receiver module may be selected based on expected reservoir thickness.
    • 具有模块化设计的电阻率阵列包括具有至少一个天线的发射器模块,其中所述发射器模块在两端具有适于与其他井下工具连接的连接器; 以及具有至少一个天线的接收器模块,其中所述发射器模块在两端具有适于与其他井下工具连接的连接器; 并且其中所述发射器模块和所述接收器模块在钻柱上间隔开并且由至少一个井下工具隔开。 每个发射器和接收器模块可以包括至少一个具有不限于刀具纵向方向的磁矩取向的天线线圈。 可以基于预期的储层厚度来选择发射器和接收器模块之间的间隔。
    • 5. 发明申请
    • SYSTEM AND METHOD FOR REDUCING THE BOREHOLE GAP FOR DOWNHOLE FORMATION TESTING SENSORS
    • 用于减少井下形成测试传感器的孔隙的系统和方法
    • US20080053707A1
    • 2008-03-06
    • US11421945
    • 2006-06-02
    • RUBEN MARTINEZATTILIO PISONIJAN W. SMITSREZA TAHERIANSIMON BITTLESTON
    • RUBEN MARTINEZATTILIO PISONIJAN W. SMITSREZA TAHERIANSIMON BITTLESTON
    • E21B15/04
    • E21B47/01E21B7/06G01V11/005
    • A system and method for downhole measurement for use with drill strings to reduce the borehole gap with respect to sensors carried by the drill string. In one embodiment, the sensors are mounted on a surface of the directional drilling hinged pad that comes in contact with the borehole wall. The hinged pad is pressed against the borehole wall as contact is made with the wall, thereby keeping the sensors at a minimum gap with respect to the wall. In another embodiment, the hinged pad is not used for directional drilling. Therefore the hinged pad is extended outward to the wall with the minimum necessary amount of force. Activation of the hinged pad can be initiated, for example, by flow of mud in the annulus of the string or through a user-provided command. The sensors can include resistivity, density, neutron, electromagnetic, acoustic, seismic, and NMR measurement sensors.
    • 一种用于井下测量的系统和方法,用于钻柱以减少相对于由钻柱承载的传感器的钻孔间隙。 在一个实施例中,传感器安装在定向钻井铰链垫的与钻孔壁接触的表面上。 当与壁形成接触时,铰接垫被压靠在井眼壁上,从而将传感器保持在相对于壁的最小间隙。 在另一个实施例中,铰接垫不用于定向钻孔。 因此铰链垫以最小的必要的力量向外延伸到墙壁。 可以例如通过串的环中的泥浆的流动或通过用户提供的命令来启动铰链垫的激活。 传感器可以包括电阻率,密度,中子,电磁,声学,地震和NMR测量传感器。