3D Modeling and Simulation of Subsea Structures Tieback to Floating Production Storage and Offloading (FPSO) Unit for Offshore Field Development


This paper seeks to model and simulate a 3D Floating Production Storage and Offloading (FPSO) unit and subsea structures for the separation of reservoir fluids. In this paper, each component on the hull of the FPSO and the subsea structures were constructively designed with Python codes written in Blender software according to ship building practice and offshore standards. Material (colour) was added to each component as well as environmental features to depict reality for deepwater operations with extreme weather conditions. Nanofiltration (NF) membrane separation technology was implemented into the modelling process for the purification of water to reduce the sulphate content for reinjection to boost productivity. Also, this study minimizes flow assurance problems to improve subsea production system (SPS) by installing a subsea separator which allows oil, gas, water and sand slurry phases to be separated prior to being boosted up the risers. Additionally, the separator design has an integrated sand slurry handling system which ensures proper sand management. Results from this paper show a final rendered work of a new generation of FPSO design tie back from subsea structures and the simulation (subsea and surface) of the reservoir fluids separation processes.

The oil and gas industry makes use of different machinery and platforms to infer the numerous capacities expected to run the industry from the ground up. The research of findings and distinguishing of oil in the oil fields, underlying pilot plants to recognize the capability of the fields, drilling and extraction of the oil and gas from the fields, further processing of oil and gas into different raw products, refining products into usable end products and their subsequent storage and transportation all need different engineering vessels and machinery.1 Some of such vessels and machinery are the offshore production platforms. These include Fixed Platform, Tension Leg Platform, Complaint Tower, Sea Star Platform, Spar Platform and Floating Production Storage and Offloading vessels.2 Moreover, Terpstra, et al.3 stated that the introduction of new FPSO designs combined with topsides weighed in excess of 25,000 tonnes present new challenges to operators and designers. This has called for more consistent design guidance for these new generation of FPSOs. In recent times, FPSOs and subsea structures have shown a fast evolution due to the emerging advanced and powerful technologies available.4,5 Parallel to these new developments coupled with industrial needs, FPSO and Subsea 3D models are being widely considered by all oil and gas industries for successful oilfield development. 

https://www.stephypublishers.com/tpe/pdf/TPE.MS.ID.000512.pdf 

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