English translation for "well trajectories"

空间描述的井轨迹的线。

Related Translations:

trajectory:  n.(抛射体的)轨道，弹道；流轨；【几】轨线。 a curved [direct-fire, flat, highangle fire, low] trajectory 曲射[直射、平射、高射、低射]弹道。

ejection trajectory:  弹射轨迹

lofted trajectory:  过高弹道

selenocentric trajectory:  月心轨迹

return trajectory:  返回轨道

predicted trajectory:  预计弹道

actual trajectory:  实际弹道实际轨迹

trajectory dispersion:  偏离设计轨迹

computed trajectory:  计算弹道

trajectory height:  弹道高

Example Sentences:

	1.	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。
	2.	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。
	3.	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。
	4.	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。
	5.	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
	6.	Researches involved in this study are derived from reviewing and summarizing the history of well trajectory for non - straight wells . 2 . chapter two presents an optimized model named cora with multi - constraints based on analyzing and reviewing some conventional methods been used in petroleum industry nowadays 第一章简要介绍了非直井迹最优控制理论的工程背景，给出了文中将要用到参数的工程含义，回顾与总结了70年间非直井迹技术的发展概况。
	7.	Trajectory designing has been a hot topic for the researchers and many methods have been presented . but most of methods nowadays for designing 3d horizontal wells are based on trial - and - error method . so well trajectory designing depend greatly on the experience of the designer , which lead to the time - consuming trial - and - error procedure while using those kinds of methods 近年来，水平井轨迹设计技术的研究一直较为活跃，相继提出了不少的方法及针对具体问题的具体做法，但这些方法从本质上讲，都未脱离试错法的范畴，井眼轨迹部分参数的确定取决于设计者的经验与直觉。

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