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- wellbore trajectory prediction 井眼轨迹预测
- During drilling cylinder target directional well, the distance diagram is used to enhance controlling accuracy of wellbore trajectory. 在柱状靶区定向井施工中,运用随钻距离图有利于提高井眼轨迹的控制精度。
- This technology can be used in the wellbore trajectory check survey,the drilling orientation,the sidetrack drilling open orientation and so on. 在吉林油田利用该仪器成功地进行了老井复查、连续测斜仪数据验证。
- Information transmission between ground and down hole is the of key the closed-loop control system of wellbore trajectory. 地面与井下的信息传输是井眼轨道自动闭环控制的核心。
- Meanwhile,the downhole motor and MWD are not affected and wellbore trajectory can be controlled because of the continuous fluid phase flow throughout the bore hole. 同时由于从井口到井底始终存在着连续的液相流,常规井下动力钻具和随钻仪器的性能不受影响,可以进行正常的井眼轨迹控制。
- The effects of WOB fluctuation of drill string on the wellbore trajectory are analyzed by using stochastic finite element method and perturbation equation. 借助随机有限元方法和摄动方程初步分析了钻压波动对井眼轨迹的影响。
- Natural Parameter Method is a kind of new method of wellbore trajectory computation succeeding Cylinder Helix Method(Radius of Curvature Method) and Minimum Curvature Method. 自然参数法是继圆柱螺线法和最小曲率法之后提出的一种测斜计算新方法,在井眼轨迹设计与计算中有着广泛的用途。
- Li Yan,Zhou Xiaoxin,Zhon Jingyang.Perturbed trajectory prediction based on PMU measurement in power plants[J].Power System Technology,2007,31(12):1-5(in Chinese). [2]李琰;周孝信;周京阳.;基于机端PMU量测的系统受扰轨迹预测[J]
- optimizing design of wellbore trajectory 井眼轨道优化设计
- In order to satisfy the online trajectory prediction of multi-machine system,polymerization technology of trajectories was used to reduce the computing burden. 为了满足实际多机系统在线轨迹预测的要求,引入轨迹聚合技术对多机轨迹进行聚合,进一步减少了计算量。
- Study on Theory and Method of Bore-hole Trajectory Prediction 井眼轨迹预测理论及方法研究
- Computation Precision Analysis of Wellbore Trajectory by Natural Parameter Method 自然参数法测斜计算的精度分析
- A novel method for predicting wellbore trajectory based on support vector machine 一种基于支撑向量机学习预测井眼轨迹的新方法
- Keywords directional well;displacement;wellbore trajectory;drilling fluid;friction drag;eastern Sichuan gasfield; 关键词定向井;位移;井眼轨迹;钻井液;摩阻;川东气田;
- Keywords wellbore trajectory;drill engineering;well deflecion angle;direction angle;computer delineation;cursor meterage; 井眼轨迹;钻井工程;井斜角;方位角;计算机绘图;光标检测;
- Comparison of Algorithms for Air Traffic Control Trajectory Prediction 空管中飞行轨迹预测算法的比较研究
- I can predict something with great accuracy. 我能很准确地预测某事。
- We all believed in her prediction. 我们都相信她的预言。
- The prediction was literally accomplished. 这个预言确实实现了。
- Surveillance Volume of Phased Array Radar Based on Trajectory Prediction 基于弹道预报的相控阵雷达监视空域研究