Open Access

ARTICLE

On 3D FE Analyses For Understanding & Designing the Processes of Casing-Window-Milling for Sidetracking From Existing Wells

Zhaohui Xu¹, Deli Gao¹

1 Key Laboratory of Petroleum Engineering in the Ministry of Education, China University of Petroleum, Beijing 102249, China.Corresponding author: Deli GAO. E-mail: gaodeli@cup.edu.cn; xuzhaohui@gmail.com

Computer Modeling in Engineering & Sciences 2012, 89(1), 17-24. https://doi.org/10.3970/cmes.2012.089.017

Abstract

Little is explained about the process of casing window milling for sidetracking due to lack of analytical method for its mechanical characteristic. In this paper, 3D FE models are established using the commercial finite-element software ABAQUS/Explicit to make simulation analysis for two key stages of the process including the initial stage of casing milling and the stage of full-gauge casing window milling. The models involve the effects of main drilling parameters such as reaction force, torque, speed, feed rate per revolution, and milling angle. The calculation results verify the capability and advantages of 3D FE simulation for the process of casing window milling.

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Keywords

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