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Title: Design and conduct analysis of separation
Authors: Yap, Boon Kiat
Keywords: DRNTU::Engineering
Issue Date: 2014
Abstract: Conductor sharing wellhead systems, where multiple wells are drilled from a single wellbore, saves space and money for the oil and gas industry. One problem arising from drilling two wells within a conductor pipe is the accuracy of drilling position of one well without compromising the space to drill the next well. In this project, a new separation device was designed to split the conductor pipe into two areas, and reduce the installation time of the device by using a snap fit mechanism, resulting in rig time savings. A conductor sharing wellhead system of two wells is targeted. The separation device is used with a pair of tubings suspended at the landing ring. The separation device is clamped onto the pair of tubings and a snap fit mechanism is utilized to provide the clamping force. Space constraint and challenging environments are inevitable on an oil rig, thus it is of great importance that the final design of the separation device would allow for easy assembly and installation. The design and structural analysis of the separation device was carried out and engineering calculations were performed to determine the optimal dimensions of the separation device. Finite element analysis using ANSYS Workbench was also performed to analyze the mechanical behavior of the complex shaped cantilever snap fit design when subjected to clamping forces. Finally a separation device that enables easy and quick installation process for conductor pipes was designed.
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:MAE Student Reports (FYP/IA/PA/PI)

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