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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35984-MS
... point method martinelli and galavi installation algorithm interaction formulation application node contact algorithm offshore technology conference equation operational data mesh Introduction Installing the conductor casing is a critical step in oil well construction, particularly...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35206-MS
...%, with a 10% step. The inclusion of H 2 substantially increased the pressure profile at both the TGP's mainline and delivery nodes (sinks). This rise in pressure resulted from notable reductions in both density and viscosity as the H 2 fraction increased, contributing to decreased hydrostatic...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35394-MS
... the structural characteristics of the SCR dataset, graph data features comprising various nodes were constructed. Subsequently, an enhanced GNN model was obtained through cross-validation and Bayesian hyperparameter optimization, incorporating Graph Attention Networks with pooling layers, which achieved...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35449-MS
... significant challenges in their implementation, particularly when large areas need to be monitored and costly interconnection cables are required. In this scenario, a new technological solution that can provide a system of battery-powered underwater acquisition nodes, capable of communicating through-water...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32371-MS
.... The scope is currently limited to process systems of FPSOs. The system can explore P&IDs through the databases that describe them, mimicking the same thinking process that human beings would execute. It divides them into nodes, and searches for possible causes of process deviations. For each cause...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32074-MS
... speeds. LCPs leverage healable multi-node mesh networks to improve monitoring, enhance disaster prevention, increase environmental awareness, and enable real-time high-bandwidth data transfer. Utilizing the communication abilities and inherent laser properties, LCPs can provide real-time information...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-30922-MS
... of density was extracted at each node from the multiphase flow simulator Olga. Statistical and spectral analysis of the Olga output showed that assumptions of constant slug-bubble density, and of slug behavior being uniform over long segments of riser are too simplistic. Therefore, full time series...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30881-MS
... relational database knowledge graph bob ontology offshore technology conference drillship database graph database drilling operation enhance drilling operation information upstream oil & gas graph knowledge system node decision-making References References Agarwal , Basant...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29488-MS
...] for solving continuum mechanics problems containing cracks. XFEM adopts non-conforming meshes to represent the crack where the nodes of elements cut by the crack are enriched by the extra additional degrees of freedom (DOF) known as "enrichment functions". In Figure 2, for nodes surrounding the crack tips...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29601-MS
... identification artificial intelligence current profile transponder data offshore technology conference tendon refill scenario node investigation installation OTC-29601-MS Forensic Data & Decisions: Utilizing Data Intended for Other Purposes David Wisch and Luc Huyse, Chevron Energy Technology...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28758-MS
... geohazard list mind map baseline characterization consequence upstream oil & gas geohazard mind map field development infrastructure geohazard assessment workflow technology mind map information knowledge offshore technology conference complexity node reservoir characterization OTC...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28683-MS
... forms of nodes, linear elements (with or without cross flow), and sources/sinks. This description allows different gravel packing completion configurations to be modeled generally without resorting to a separate and explicit model of each type of tool. At each time step, the whole system is assembled...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27588-MS
... availability, CAPEX and OPEX will be discussed. optimization interface all-electric system node subsea power subsea processing subsea system injection capex control system sensor offshore technology conference voltage requirement upstream oil & gas cable distribution system template...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-26993-MS
... Deep water Ocean Bottom Node (OBN) systems have delivered high quality full azimuth 3D and 4D seismic data. In this paper, we discuss the development of a new node technology and a new method of employing nodes for reservoir monitoring, wherein, a high-speed underwater optical communications...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-26955-MS
... coil. These sensors may be deployed with a cable telemetry system, known as Ocean Bottom Cable (OBC) or can be installed in autonomous recorders, known as Ocean Bottom Nodes (OBNs). Different solutions are available for water depth ranges of 0m to 3000m. Manufacturing cost of ultra-deep-water nodes...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25226-MS
... than 4200 ocean bottom receiver nodes. By firing each source wholly independently on a pseudo-random distance basis not only is blended source residual noise reduced but also operational efficiency is improved since downtime on one source vessel has no impact on the other. Since ocean bottom data...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24193-MS
..., territorial waters, or navigation hazards, are accommodated in the structure as constraints upon the variables to be optimized. Presentation of OTC-24193-MS Presentation of OTC-24193-MS cost matrix formulation algorithm incidence matrix requirement arc node radius node upstream oil...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24231-MS
... to enhance real-time monitoring of system integrity as well as manage the follow-on incident response to changing, and potentially hazardous, environmental conditions. The software components are embedded at the sensor network nodes in surveillance systems used for monitoring unusual events. When an event...

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