通过与电缆爬行器联合使用，就能够进一步提升电缆进入复杂井眼轨迹的能力，并最小化测井次数。
It says that the system with wireline tractors further improves well access in complex well trajectories while minimizing the number of logging runs.
利用空间上具有四阶精度、时间上具有二阶精度的中心差分方法，数值模拟了几种复杂井眼条件下的波场。
Various borehole and formation conditions were simulated using the fourth order accuracy in space and second order accuracy in time centered finite difference method.
具体来说，爬行器可以用于具有复杂井眼轨迹的、采用裸眼完井的水平井，可以获得生产井和注水井的高质量流动剖面数据。
Specifically, they can successfully negotiate complex well trajectories in horizontal open hole well completions, enabling acquisition of good quality flow profiles in both producers and injectors.
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