well trajectories meaning in English
空间描述的井轨迹的线。
Examples
- Research on the dynamic delay - time of hybrid igniting - device in the air is the basis of implementing it ' s the best trajectory and improving its max cannon - shot denseness
空中点火机构动态延期时间研究是底排? ?火箭复合增程弹实现其最佳增程弹道，提高最大射程密集度的重要环节。 - The paper introduces the nonlinear programming method under nonlinear constraints to well trajectory design while drilling and puts forward an optimization method for well trajectory design
本文将非线性不等式约束下的非线性数学规划理论引入到水平井待钻井眼轨迹设计中，提出了水平井待钻井眼轨迹的最优化设计方法。 - The method can not only satisfy the oilfield construction condition and the well trajectory design while drilling , but also assure the designed well trajectory to be the most slip , the shortest and possible optimized well trajectory
此方法不仅能够满足现场施工条件的限制和待钻井眼轨迹设计的要求，而且能够确保得到的待钻井眼轨迹为一条最光滑的、最短的、可行的最优待钻井眼轨迹。 - Well trajectory for non - straight wells , which includes directional wells , horizontal wells , siedtracking and / or horizontal wells , long - reach wells and multibranches , is one of key techniques in non - straight drilling . the main results , obtained in this dissertation , may be summarized as follows
本文以石油工程中的非直井(定向井、水平井、侧钻井、侧钻水平井、大位移井、分支井)轨迹控制为背景，研究了一类约束优化与最优控制问题。 - A dynamic model and then an optimal control model established , which regards the minimum length of well trajectory as the index of characteristic and meets the terminal conditions . and the necessary condition of optimal solutions for the optimal control system then discussed
建立了非直井迹的动力系统模型，讨论了该模型的性质，以此为基础，建立了以满足终端约束与最短并迹长度为性能指标的最优控制模型，讨论了该模型最优解存在的必要条件