定向井井身轨迹质量 Trajectory quality for directional well
Simulation analysis of wellbore trajectory data was conducted by least squares method and cubic spline interpolation method in this paper.
本文首先采用最小二乘法,三次样条插值方法对实测井身轨迹数据进行拟合。
参考来源 - 水平井完井管柱可下入性分析研究The mechanical model of tubing deformation is built which considered the displacement constraint condition and used the beam element analytic method. The tubing deformation is calculated by using the real well bore trajectory.
同时,考虑位移约束条件,采用梁单元分析方法建立了油管变形力学模型,根据实际油井的井身轨迹对油管变形进行了模拟分析。
参考来源 - 机采井管杆磨损机理研究与对策·2,447,543篇论文数据，部分数据来源于NoteExpress
通过对井筒不同深度的测量，即可得出井身轨迹曲线。
Well body track curve can be drawn out through surveying the depth in the hole.
通过对井筒不同深度的测量，即可得出井身轨迹曲线。
Well body track curve can be drawn out through surveying the depth in the hole. It can be...
该技术可用于井身轨迹复测、钻井定向和侧钻井开窗定向等。
This technology can do repetition measurement of well bore track, determine drilling direction and window cutting direction of sidetrack well and so on.
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