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    • 7. 发明授权
    • System for driving a non rigid exploration device into a well where its
progression by gravity is difficult
    • 用于将非刚性探测装置驱动到通过重力进行的很好的系统是非常困难的
    • US5111880A
    • 1992-05-12
    • US622835
    • 1990-12-05
    • Christian WittrischJean-Claude DuBois
    • Christian WittrischJean-Claude DuBois
    • E21B23/14G01V11/00
    • E21B23/14G01V11/005
    • A guiding system for driving a non rigid exploration device in wells where progression by gravity is difficult includes a tubular column for guiding the displacement of the device which includes a plurality or set of sondes joined together by non-rigid connecting means into a deflected well zone. A first sonde of the set is at least fitted with anchoring arms and its cross-section and possibly that of all the remaining sondes of the set can be larger than the cross-section of the tubular column. In this case, a more or less long protective housing is provided at the end of the column. A delayed electric connection device for the set of sondes linked to a surface laboratory is utilized. The first sonde is pushed out of the column by a fluid pressure and anchoring arms of the first sonde are opened. The tubular column is pulled backward and upward in order to make the plurality of sondes to come out of the column and to be positioned in the well and, thereafter, measuring cycles are carried out.
    • 用于在由于重力进行困难的井中驱动非刚性探测装置的引导系统包括用于引导装置的位移的管柱,该管柱包括通过非刚性连接装置连接在一起的多个或一组索环到偏转井区 。 该组的第一个探头至少安装有锚固臂,并且其横截面和可能的组件的所有剩余的探测器的横截面可以大于管柱的横截面。 在这种情况下,在柱的末端提供或多或少的长的保护壳。 使用与表面实验室连接的一组索引的延迟电连接装置。 第一个探头通过流体压力被推出柱,第一个探头的锚臂打开。 管柱被向后拉向上拉,以使多个探针从塔中出来并定位在井中,之后进行测量循环。