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    • 21. 发明申请
    • BOREHOLE MARKING DEVICES AND METHODS
    • 井眼标记装置和方法
    • WO2005091900A2
    • 2005-10-06
    • PCT/US2005/006482
    • 2005-02-28
    • HALLIBURTON ENERGY SERVICES, INC.DUDLEY, James, H.RODNEY, Paul, F.
    • DUDLEY, James, H.RODNEY, Paul, F.
    • E21B47/00
    • E21B47/00
    • To reduce the surveying error in a wellbore, the creation of several reference points within a borehole is carried out by physically placing borehole markers in the borehole casing, the borehole wall or in the formation itself, and providing an accurate reference of the marker location by either storing information specific to the borehole markers inside or on the marker itself, or assigning an identification number to the marker and storing the information relating to that identification number remotely in a database. The borehole markers may contain an electronic module which includes a microcircuit, a transponder dedicated to the transmission and reception of data to/from a detector placed on a wireline tool, a drill string or a coiled tubing. The detectors may have an additional role of interrogation the electronic modules.
    • 为了减少井眼中的测量误差,通过将钻孔标记物理地放置在钻孔套管,钻孔壁或地层本身中,通过在井眼内产生几个参考点,并通过 将井眼标记特有的信息存储在标记本身内或标记本身上,或将标识号分配给标记,并将与该标识号有关的信息远程地存储在数据库中。 钻孔标记可以包含电子模块,其包括微电路,专用于向/从放置在有线工具上的检测器发送和接收数据的转发器,钻柱或连续油管。 检测器可以具有询问电子模块的附加作用。
    • 30. 发明申请
    • ACOUSTIC TELEMETRY WELLBORE SYSTEM EMPLOYING ONE OR MORE LOW-FREQUENCY ACOUSTIC ATTENUATORS
    • 使用一个或多个低频声音衰减器的声学电视井筒系统
    • WO2006007017A1
    • 2006-01-19
    • PCT/US2005/014525
    • 2005-04-27
    • HALLIBURTON ENERGY SERVICES, INC.SHAH, Vimal, V.LINYAEV, Eugene, R.KYLE, Donald, G.GARDNER, Wallace, R.RODNEY, Paul, F.
    • SHAH, Vimal, V.LINYAEV, Eugene, R.KYLE, Donald, G.GARDNER, Wallace, R.RODNEY, Paul, F.
    • G01V3/00
    • E21B47/16G01V11/002
    • A drill pipe (134) forms an acoustic transmission channel for data to be transmitted from a downhole transceiver (136) to a surface transceiver (132). By positioning a first low frequency acoustic attenuator (154) between a drill bit (156) and the downhole transceiver (136), acoustic noise generated by the drill bit is attenuated. Similarly, by positioning the surface transceiver (132) between the top of the drill pipe (134) and a second low frequency acoustic attenuator (130), acoustic noise generated by surface equipment is attenuated. In this manner, the first and second low frequency acoustic attenuators (130, 154) serve as terminators for the acoustic transmission channel. Finally, by combining a third low frequency acoustic attenuator (138) positioned between first and second sections of the drill pipe with first and second acoustic transceivers (136, 140) acoustically isolated from one another by the third low frequency acoustic attenuator (138) and non-acoustically coupled to one another for bi-directional exchanges of signals, an acoustic repeater is provided for the transmission channel.
    • 钻杆(134)形成用于从井下收发器(136)传输到地面收发器(132)的数据的声传输通道。 通过将钻头(156)和井下收发器(136)之间的第一低频声衰减器(154)定位,钻头产生的声学噪声被衰减。 类似地,通过将​​表面收发器(132)定位在钻杆(134)的顶部和第二低频声衰减器(130)之间,由表面设备产生的声学噪声被衰减。 以这种方式,第一和第二低频声衰减器(130,154)用作声传输通道的终端器。 最后,通过将位于钻杆的第一和第二部分之间的第三低频声衰减器(138)与由第三低频声衰减器(138)彼此声隔离的第一和第二声收发器(136,140)组合,以及 非声学地彼此耦合用于信号的双向交换,为传输信道提供声中继器。