Expert Talks – Float-over Analysis for Topside Installation

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Subsea7 was contracted for a significant engineering, procurement, construction, and installation (EPCI) project by a client in the Middle East. The work consists of new tie-in platforms, production deck manifolds, 217 km of rigid pipelines, 145 km of power cables, and a fiber optic cable in 45-52 m of water. Three Tie in Platforms, weighing from 4,800MT to 5,800MT, will be installed by float-over method. Subsea7 turns to Bentley’s renowned solution for offshore operations, MOSES, to perform the float-over analysis and simulate the operation steps.

In this Expert Talks session, Mr. Wahyudin Trisnawan, Subsea 7 Senior Naval Architect, will share the workflow of float-over analysis with MOSES. 









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Minh Pham

Minh Pham

Offshore Solutions Consultant, Bentley Systems

Minh started off his career as an Offshore Structural Engineer in an industry-leading engineering firm. With 12 years working in the oil and gas industry, he gained a wide spectrum of experience including structural detailed design of offshore platforms, FPSO topsides and subsea flowline installation engineering. He was also involved in fabrication supervision and was responsible for various offshore operations such as transportation, structures installation, FPSO mooring installation and hook-up. As a Product Consultant at Bentley’s Virtuosity, Minh helps professionals across SEA & India solve their complex offshore engineering problems and improve their analysis and design workflows.

Wahyudin Trisnawan_Subsea7

Wahyudin Trisnawan

Senior Naval Architect, Subsea7

Wahyudin is a Senior Naval Architect with over 13 years’ experience. Wahyudin specializes in  analysis related to the naval architect scope, such as topside float-over/mating analysis, vessel stability & motion analysis, mooring analysis, engineered lift study and jacket installation analyses (Load-out, Launching, floatation and upending). Wahyudin graduated from Hasanuddin University, Indonesia, in 2007 with a bachelor’s degree in Naval Architecture and Ship Building. Wahyudin has worked with reputable oil and gas contractor companies, including McDermott, Saipem, and Swiber, among others. Now he is working with Subsea 7 Singapore, a Middle East business unit.