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Keywords: simulation
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31938-MS
... of the following three modeling approaches – Physics-based Modeling, Machine Learning, and Hybrid Modeling (Physics-based Modeling & Machine Learning combined), and addresses their applicability for multiphase flow simulations in specific use-cases. Physics-based modeling builds on well understood concepts...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31966-MS
...# 125ksi VAM ® SLIJ-II. Casing Wear Evaluation Casing wear simulations can be performed at planning stage as well as during operations. At every step of the drilling process, the objective is to anticipate the final 3D wear profile along the inner wall of the casing string. Prior to drilling...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32059-MS
... treatment material material application application trial flow assurance riser corrosion simulation surface treatment modeling effort application surface roughness coupon hydrate offshore technology conference surface energy pipeline corrosion production chemistry pipe wall important step...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32067-MS
... criteria flng side spread mooring system applied upstream oil & gas simulation environment condition lng carrier west africa computation numerical computation offshore technology conference subsea system marine loading arm operability side-by-side Introduction When an offshore gas...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32095-MS
... and simulations. Additionally, in VR mode, it is possible to navigate through a full-scale virtual environment, interact with the drill hole tridimensional visualization, and freely position charts with the essential variables to be monitored. This allows for better data manipulation granting better insights...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32102-MS
... into the present simulator, with two-way couplings to the multiphase flow model. The conceptual picture of hydrate formation and growth is discussed in [ 5 ]. In this mechanism, hydrate growth starts at gas-water interfaces, formed primarily from the entrainment of water into the gas layer. Hydrates can also occur...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31980-MS
... According to TS-R, the BOP tethering system must be designed to reduce loads in the well structure enough to allow a feasible safe emergency disconnection, considering the longest EDS (Emergency Disconnecting Sequence) planned for the operation. Thus, simulations were carried out, considering...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31859-MS
... of well structure fatigue. real time system funnel upstream oil & gas subsea system simulation drilling equipment operation bop guide post rig new wlr offshore technology conference wlr procedure cable disconnect installation rov anchor replacement tensioner drill string...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31889-MS
... led to unacceptable simulation run time (several days per analysis). To solve this, consistency between wave elevation and vessel motions was discarded. The present paper has two objectives. First, validating the use of a timeseries to represent vessel motions in combination with wave timeseries...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31893-MS
... of these sub-functions on to the higher-level business operational/financial metrics (time to first oil, time on online, free cashflow, etc.) It also takes a reference type curve as an input for the selected basin and scales it for different design options. The ISM simulates the cycle time, critical path...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32126-MS
... this turbulence is dissipated as a function of distance from the WTG until reaching values similar to the upstream and far distance conditions. The use of CFD, although computationally demanding for simulations of the scale of a wind turbine farm, can provide more details to improve the guidelines and rules...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31718-MS
... government risk management upstream oil & gas probabilistic risk assessment effective approach application probability simulation knowledge probability distribution sensitivity analysis nasa information iteration pra risk assessment possible outcome objective requirement offshore...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32022-MS
... interesting finding was that the shorter period slugging, which are due to local weight variations, provides an upper bound on slugging fatigue lives. long period upstream oil & gas steel lazy wave riser simulation hang-off angle variation tdp horizontal distance design space weight...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31792-MS
...Abstract Abstract The pipeline design standard DNVGL-ST-F101 requires performing the reeling simulation tests with subsequent strain ageing evaluation. The experimental methods for evaluation of strain ageing of low-carbon microalloyed steels upon reel-laying process were analyzed and compared...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31816-MS
... operation offshore technology conference simulation failure mode digital twin Introduction The Marlim Field was the first deepwater field developed by Petrobras back in the 90's. This field has been producing since 1991 based on 9 offshore platforms, and more than 200 hundred wells were drilled...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31143-MS
... workforce in their decisions and maneuvers, like simulations, training, and other critical activities that can be executed remotely and prior to the actual activity. This paper presents a case study to demonstrate how augmented and virtual reality can be used to create a high fidelity virtual environment...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31096-MS
...Abstract Abstract This paper presents recent advances in multiphase modelling methods in Computational Fluid Dynamics (CFD). It uses case studies to show how integration of advanced multiphase modelling approaches can improve the fidelity and realism of simulation of separation and process...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31195-MS
... with a full suite of LWD technologies run in an HT environment. In the planning phase, special consideration was needed to accurately simulate the expected circulating temperature and have proper procedures in place for temperature management and control. Being the first horizontal well in the field, thus...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31194-MS
... The field pressure is very close to dew point pressure, with known presence of compositional grading across the reservoir. It was evident that compositional simulation using the finest grid cell resolution would be needed to capture full details of the condensate banking phenomenon. The next step...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31243-MS
... to perform a loop test to determine the wax growth throughout time. With a multiphase simulator, it is possible to choose the deposition model and the diffusion coefficient that best fits the analyzed fluid. However, one of the limitations of this first analysis is the lack of data to determine the effect...

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