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Dr. Uyiosa Abusomwan

Abstract

Leveraging Finite Element Analysis in the Development and Optimization of Subsea Safety Valves and Cutter Modules

The lack of design tools capable of evaluating and improving the cutting capability of conceptual designs has limited the development of subsea test tree valves with highly-efficient coiled tubing cutting capability.

Traditional design efforts relied on the first order coiled tubing shear strength equation or the linear regression models of coiled tubing cutting force, extracted from experimental data. Neither tool was capable of providing a metric for evaluating the performance of multiple conceptual designs or optimizing existing designs. The use of linear regression equations required a completely design effort and extensive (usually destructive) tests, which prevented it from being a functional design tool.

In this talk, we present the development of an HPHT subsea test tree safety valve and cutter module with enhanced CT cutting capability, using advanced finite element analysis as a design tool.


About the Speaker

Dr. Uyiosa Abusomwan, Schlumberger

Uyiosa Abusomwan joined Schlumberger in 2014 as a Mechanical Engineer in the Testing & Subsea Product Group in Rosharon, TX. Since joining Schlumberger, he has worked with a New Product Development team focused on the design of next-generation HPHT subsea test tree systems. Prior to joining Schlumberger, Uyiosa worked as a mechanical engineer in the Reliability & Technical Support team at Joy Mining Machinery, and as an undergraduate researcher in the Intelligent Systems Division of the National Institute of Standards & Technology.

He received a BS in Mechanical Engineering from New Jersey Institute of Technology, and a MS and PhD in Mechanical Engineering from Carnegie Mellon University. His doctoral research was in the area of contact mechanics and adhesion modeling of bio-inspired materials.

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