Using Particle Swarm Optimization to Compute Hundreds of Possible Directional Paths to Get Back/Stay in the Drilling Window

D. C. Braga, M. Kamyab, D. Joshi, Brian Harclerode, C. Cheatham
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引用次数: 1

Abstract

One of the responsibilities of a directional driller (DD) is the computation of the current bit position given the last survey station measurement, and with that information calculate the path back to plan if directional correction is needed. Having only a few minutes during a drilling connection to perform these calculations, the DD is limited to compute only a handful of possible paths that will be presented to the Drilling Engineer/Company Man. With this information, the Company Man will decide which path to follow. The present work aims to develop a computer algorithm that replicates the field knowledge of DDs but can compute hundreds of paths in less than one minute. In addition, since the objective of the trajectory correction may differ, the algorithm also can optimize for one of three goals: maximum rate of penetration (ROP), minimum tortuosity in the path, or maximum footage in the drilling target window. The paper presents examples of four different path recommendations in the lateral portion of a horizontal well. The results show the optimum recommended paths for the same position for a specific optimization goal. Finally, a comparison between the running time and number of paths computed is presented. All results were obtained during the validation tests of the algorithm.
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使用粒子群优化计算数百种可能的方向路径,以返回/停留在钻井窗口
定向司钻(DD)的职责之一是根据上次测量站的测量结果计算当前钻头的位置,并根据这些信息计算出需要进行定向校正时的回计划路径。由于在钻井连接过程中只有几分钟的时间来执行这些计算,因此DD只能计算少量可能的路径,这些路径将提交给钻井工程师/公司人员。有了这些信息,公司人将决定走哪条路。目前的工作旨在开发一种计算机算法,该算法可以复制dd的现场知识,但可以在不到一分钟的时间内计算数百条路径。此外,由于轨迹校正的目标可能不同,该算法还可以针对以下三个目标之一进行优化:最大钻速(ROP)、最小路径弯曲度或最大钻井目标窗口进尺。本文介绍了水平井水平段四种不同路径的推荐示例。结果显示了针对特定优化目标的同一位置的最优推荐路径。最后,对算法的运行时间和计算路径数进行了比较。所有结果均在算法验证测试中获得。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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