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Keywords: prediction
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30864-MS
... implications of slug length predictions can be substantial. Slugs may also over time cause serious fatigue issues in free-span pipe sections, as large load variations can drastically reduce the lifetime of the flange connections. In most laboratory experiments reported in the literature, slugs rarely become...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30854-MS
... Aungiers , J . 2018 . Time Series Prediction Using LSTM Deep Neural Networks . Altum Intelligence , 1 September 2018 , https://www.altumintelligence.com/articles/a/Time-Series-Prediction-Using-LSTM-Deep-Neural-Networks (accessed 18 December 2019) . Brownlee , J...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30906-MS
... Abstract Understanding the vertical discrete electrofacies distributions in wells is a vital step to preserve the reservoir heterogeneity. Predicting the electrofacies distribution at all wells is commonly conducted manually or with the use of some graphing approaches, but recently different...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30613-MS
... as natural microgrids. Hence, accurate wave predictions to manage the interactions of a WEC array with microgrids is especially important. Recently developed, low-cost wave measurement buoys allow for operational assimilation of wave data at remote locations where real-time data have previously been...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30562-MS
... prohibitively expensive, which could lead to the platform operating without meeting the regulations. This paper presents a machine learning based model, which we call ‘virtual sensor’, for predicting the mooring line tensions based on the platform’s heading, horizontal position and six-degrees-of-freedom (6...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30690-MS
... Model-based prediction of vessel response is valuable for planning and execution of marine operations. Response-based operation criteria are expected to give less downtime and cheaper and safer operations than criteria based on wave height and wave period. At least this holds if the response...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30711-MS
... for pore pressure prediction , AAPG Memoir 76 , 177 – 215 Dahlberg , E. C . 1995 . Applied Hydrodynamics in Petroleum Exploration , ECD geological specialists Ltd, Springer-Verlag 2nd edition, New York , Inc., 295 . Eaton , B. A . 1975 . The equation of geopressure...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30730-MS
... Abstract The prediction of equipment failures typically falls along two paths: statistical analysis of past failures, or using sensor data to monitor the condition of equipment in the field. This study instead takes a novel approach by implementing machine learning on the data within...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30783-MS
... representations and approaches can be simplified and streamlined, while still providing the advantages of CFD. Variability in geometric representations can be captured with physics representations rather than needing to create predictive CAD geometry. These types of simplifications can increase the ability to...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30769-MS
... Novel methods were required to address the high operating temperatures of the Appomattox flowlines. Appomattox is predicted to operate as high as 365F, requiring thermal mitigation along the length of the flowline and anchoring at the base of the riser. Existing thermal mitigation methods were...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30793-MS
... Abstract As vibratory driving is increasingly used to install offshore foundations, especially for offshore windfarms, an accurate soil model is key to reliable pile driving predictions and thus to improved project planning and execution. During the pile driving, the soil properties, and thus...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30763-MS
... subset carbonate reservoir log analysis artificial intelligence algorithm prediction Abstract Integrating discrete facies classification into the estimation of formation permeability is a crucial step to improve reservoir characterization and to preserve heterogeneity quantification...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30586-MS
... gas hydrate cavity equilibrium condition flow assurance modeling & simulation hydrate equilibrium condition upstream oil & gas cage occupancy hydrate gas mixture mole percentage molecule carbon dioxide experimental data engineering small cavity prediction occupancy co 2...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30550-MS
... from low resolution seismic data is also less reliable, compounding the error resulting from predicted stratigraphic markers (horizons). Seismic interpretations with low resolution are inadequate to identify thin over-pressured zones. The paper presents an integrated workflow that maximizes the...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30623-MS
..., and hydrate inhibitor tracking (MEG). A comprehensive statistical analysis comparing predicted and measured pressure drop, pigged liquid volumes, outlet temperatures, and rich MEG mass fractions over the three-year time period demonstrated that the simulator predictions were in good agreement with...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30653-MS
... predict the lost circulation risks. To train and test the proposed model, drilling operation parameters, geological parameters and drilling property parameters are collected for lost circulation events for 50 drilled wells over past two years in South China Sea. The trained model is excellent with the...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29531-MS
... environmental data dashboard extension prediction response measurement flexible riser motion sensor offshore technology conference fatigue prediction fpso operation riser accuracy sensor upstream oil & gas measurement data information field measurement fatigue counter...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29528-MS
..., would otherwise require immediate removal and replacement. Critical to the ability to establish rational discard criteria, is the ability to accurately predict the residual strength of degraded chain, and to have as a benchmark for loss in strength, an accurate estimate of the chain in its as-new...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29566-MS
... , 1972 . Oka , Y.I. , Okamura , K. and Yoshida , T. , "Practical estimation of erosion damage caused by solid particle impact: Part 1: Effects of impact parameters on a predictive equation" , WEAR , Vol. 259 , P. 95 – 101 , 2005 . Oka , Y.I. , and Yoshida T...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29542-MS
.... Traditionally, these predictions were the preserve of computationally-expensive, morphodynamic simulations of the three-dimensional structure of the beach surface, however recent developments in reduced-complexity ‘equilibrium’ models have been shown to skilfully hindcast coastal change in cross-shore and long...

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