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    • 1. 发明申请
    • ENHANCED WELLBORE ELECTRICAL CABLES
    • 增强型电线电缆
    • WO2006075306A1
    • 2006-07-20
    • PCT/IB2006/050119
    • 2006-01-12
    • SCHLUMBERGER CANADA LIMITEDSERVICES PETROLIERS SCHLUMBERGERSCHLUMBERGER HOLDINGS LIMITEDSCHLUMBERGER TECHNOLOGY B.V.VARKEY, JosephKIM, Byong JunSRIDHAR, GarudSAIT, NoorFULIN, Wayne
    • VARKEY, JosephKIM, Byong JunSRIDHAR, GarudSAIT, NoorFULIN, Wayne
    • H01B7/04H01B7/18
    • H01B13/141H01B7/046H01B7/1895
    • Wellbore electrical cables according to the invention include at least one insulated conductor, at least one layer of armor wires surrounding the insulated conductor, and a polymeric material disposed in the interstitial spaces formed between armor wires and interstitial spaces formed between the armor wire layer and insulated conductor which may further include wear resistance particles or even short fibers, and the polymeric material may further form a polymeric jacket around an outer, layer of armor wires. The insulated conductor is formed from a plurality of metallic conductors encased in an insulated jacket. The invention also discloses a method of preparing a cable by extruding first layer of polymeric material upon at least one insulated conductor; serving a first layer of armor wires upon the polymeric material; softening the polymeric material to partially embed armor wires; extruding a second layer of polymeric material over the armor wires; serving a second layer outer armor wires thereupon; softening the polymeric material to partially embed the second armor wire layer; and optionally extruding a third layer of polymeric material over the outer armor wires embedded in the second layer of polymeric material. Further disclosed are methods of using the cables of the invention in seismic and wellbore operations, including logging operations.
    • 根据本发明的井眼电缆包括至少一个绝缘导体,围绕绝缘导体的至少一层铠装线,以及设置在形成于铠装线和间隙空间之间的间隙空间中的聚合材料,其形成在铠装线层和绝缘导体层之间 导体,其还可以包括耐磨性颗粒或甚至短纤维,并且聚合物材料还可以围绕外层的铠装线形成聚合物护套。 绝缘导体由封装在绝缘护套中的多个金属导体形成。 本发明还公开了一种通过在至少一个绝缘导体上挤出第一层聚合材料来制备电缆的方法; 在聚合物材料上施加第一层铠装线; 软化聚合物材料以部分地装入护甲线; 在铠装线上挤出第二层聚合材料; 服务第二层外装甲线; 软化聚合材料以部分地嵌入第二铠装线层; 以及任选地将第三层聚合物材料挤压在嵌入第二层聚合物材料的外部装甲线上。 进一步公开的是在地震和井眼操作中使用本发明的电缆的方法,包括测井操作。