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Keywords: anomaly
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Proceedings Papers
Deep Transformer Networks Applied to Anomaly Detection in Oil and Gas Wells
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35939-MS
... Abstract Ensuring well integrity in offshore oil and gas operations is critical for safety, environmental protection, and production efficiency. Early detection of anomalies, such as spurious Downhole Safety Valve (DHSV) closures and rapid productivity loss events, mitigates risks and economic...
Proceedings Papers
Experiences with 4D Seismic in Campos and Santos Basins and the Road Ahead
Available to PurchaseC. J. Silva, F. B. Nascimento, W. L. Filho, M. H. Grochau, M. G. B. Izeli, H. M. Giro, R. G. Lima, D. C. Garcia
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35717-MS
... and santos basin anomaly campos basin offshore technology conference carbonate reservoir saturation pre-salt field shift anomaly revitalization project reservoir monitoring Introduction to the Campos and Santos Basins Bruhn et al. (2017) reported that the Campos and Santos basins...
Proceedings Papers
Risk-Based Inspections Using Digital Twins for Hulls and Structures of Floating Assets
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35308-MS
... on improving automated inspection planning and visualization for monitoring compartment conditions. Additionally, enhancements are aimed at increasing the capability for anomaly detection, improving drone navigation in structurally complex spaces, and enhancing the capacity for data gathering while in motion...
Proceedings Papers
Proactive Intervention: A Holistic Examination of Safeguarding Well Integrity, and Optimizing Future Production, to Collaboratively Maximize a Field's Potential
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32362-MS
... anomaly collaboratively maximize Introduction In this paper, we focus on the field life cycle, specifically in Brazil. A current typical field life cycle is shown in Figure 1 . Classically, after initial field development, a field will be left to produce with some proactive surveillance...
Proceedings Papers
Inferring the Effect of Chemical Injections for Asphaltene Producing Deepwater Wells Using Machine Learning
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31955-MS
... for predictive maintenance called anomaly detection algorithm is built. Multiple anomaly detection models are investigated within the scope of dimensionality reduction. Principle Component Analysis (PCA) and Artificial Neural Net(ANN) base LSTM Autoencoders are deployed to tackle the problem through...
Proceedings Papers
High Precision Velocity Model Building Technology for Pore Pressure Prediction
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32049-MS
..., and the position and size of even small-scale geological bodies with anomalous velocities can be clearly described. This method is applied to identify a subtle velocity anomaly in the sub lacustrine fan area of the Bohai Q oilfield. In the process of velocity modeling, interpreted seismic horizons are used...
Proceedings Papers
Unlocking Resident Underwater Inspection Drones or AUV for Subsea Autonomous Inspection: Value Creation between Technical Requirements and Technological Development
Available to PurchaseMatteo Mattioli, Thomas Bernini, Giovanni Massari, Mathieu Lardeux, Andy Gower, Sébastien De Baermaker
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32100-MS
... of missing or immature features). A deployment roadmap will be followed to target the Energy Transition challenges. sustainable development artificial intelligence upstream oil & gas renewable energy subsea system sustainability inspection anomaly vehicle requirement maintenance subsea...
Proceedings Papers
Deepwater Riser & Mooring Life Cycle Digital Integrity Management
Available to PurchaseDavid Renzi, Varadarajan Nadathur, Steve Wong, Michael Zhang, Yong Chen, Luz Zarate, Shejun Fan, Daniel Ayewah, Ishita Chakraborty, Sezgin Kucukcoban, Matt Mistric, Keith Kurrus
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31145-MS
... system information management wellbore integrity wellbore design floating production system fpso upstream oil & gas metocean data anomaly assessment integrity management prediction digital im application fatigue damage estimate measured data environmental data data quality floating...
Proceedings Papers
Towards Remote Inspections of FPSO's Using Drones Instrumented with Computer Vision and Hyperspectral Imaging
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-30939-MS
... Inspection with intelligent robots may also improve inspection quality. Features such as automated detection of anomalies and automated classification of defects makes the survey more objective and uniform. Furthermore, all the captured data from sensors onboard the drone are stored and therefore...
Proceedings Papers
Brazil Pre-Salt, Santos Basin: Feasibility Study for the Application of Borehole Gravity to Improve Reservoir Monitoring
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30626-MS
... well logging borehole gravity saturation feasibility study artificial intelligence density change log analysis santos basin reservoir model borehole gravity survey application upstream oil & gas information reservoir anomaly gravity survey porosity libra field Abelha , M...
Proceedings Papers
Improving Drilling Geohazards Assessments of the Overburden Section by Performing Seismic Multi-Attribute Analysis
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30620-MS
... the geohazards assessment within the overburden section for more than 40 wells in the North Slope of Alaska. This study uses a publicly available 3D seismic data set to reproduce and share the procedures applied over proprietary data for identification of gas-related amplitude anomalies with a focus...
Proceedings Papers
Effective Use of Real-Time Remote Monitoring System in Offshore Oil Wells Optimization, Case Study from Gulf of Suez - July Field
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30610-MS
... Abstract The objective of this paper is to show the value of using real time remote monitoring system (Automation) in offshore wells and to show a case study from Company for how we successfully used the system to detect well anomalies in real time and perform the suitable corrective action...
Proceedings Papers
How Machine Learning is Improving Production on Offshore Platforms
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30782-MS
... system artificial intelligence offshore production platform operator offshore platform investment deployment operation unmanned platform platform production platform anomaly efficiency subsea system upstream oil & gas offshore production offshore sector Dickson , Duane...
Proceedings Papers
Determining Integrity in 5,000 Feet of Water Following a Major Incident
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29228-MS
... installation artificial intelligence inclination anomaly inspection tolerance requirement pile assembly assembly upstream oil & gas receptacle tendon incident load ring acceptance criteria connector assessment load shoulder seafloor OTC-29228-MS Determining Integrity in 5,000 Feet...
Proceedings Papers
Geospatial Survey Tools for Planning, Processing, Visualizing, and Assessing Marine Magnetic Survey Data for Archeological Resources
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29274-MS
... to a repeatable and consistent procedure. magnetic survey data renewable energy information archaeological material detection threshold us government marine magnetic survey assessment magnetometer magnetic field strength magnetic data raster surface anomaly artificial intelligence magnetic...
Proceedings Papers
Integrated Monitoring Approach for Offshore Geological CO 2 Storage
Available to PurchaseJoonsang Park, Ann Blomberg, Ivar-Kristian Waarum, Christian Totland, Evgeniy Yakushev, Geir Pedersen, Guillaume Sauvin, Luke Griffiths, Espen Eek, Lars Grande, Axel Walta, Bahman Bohloli, Magnus Soldal
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29324-MS
... monitoring fracture seafloor experiment anomaly machine learning storage co 2 Jenkins , C. , Chadwick , A. , and Hovorka , S. D. ( 2015 ), The state of the art in monitoring and verification—ten years on . International Journal of Greenhouse Gas Control, 40 , 312 - 349...
Proceedings Papers
Applying Artificial Intelligence to Optimize Oil and Gas Production
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29384-MS
... an actual failure of the ESP occurred. esp historian database predictive maintenance model application upstream oil & gas operation anomaly operator platform notification period offshore technology conference scada system artificial intelligence probability machine learning mlbased...
Proceedings Papers
Loop Current Hyperactivity: Analysis of In Situ Measurements in the Gulf of Mexico
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27229-MS
... limited, and continue to do so, the mixing and upwelling of the cooler, deeper waters. The sea level anomalies throughout the present El Niño phase reached as high as those observed during the 1997 El Niño event but are extending significantly farther west (Fig. 16 & 17). Sea level and sea temperature...
Proceedings Papers
Macondo and Bardolino: Two Case Studies of the Human Factors of Kick Detection Prior to a Blowout
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-26906-MS
... decision cycle investigation neural network factor barrier ccr information well control anomaly macondo Presentation of OTC-26906-MS Presentation of OTC-26906-MS e-CFR 14-I-G-121.542 (as of 25 February 2015 ). Electronic Code of Federal Regulations , Title 14, Chapter I...
Proceedings Papers
High-resolution Velocity Update Using Full Waveform Inversion: A Case Study in East Breaks, Gulf of Mexico
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27164-MS
... inhomogeneities. Traditional tomographic velocity inversion methods could not provide sufficient resolution of the small-scale velocity anomalies within the MTC. As a result, seismic events below the MTC appeared distorted and out of focus. Multiple iterations of high-frequency full waveform inversion (FWI), up...
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