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Hoek Brown Elastoplastic Damage Model Considering Pore Water Pressure and Its Application to Subsea Tunnel Engineering
Compared with land tunnels, subsea tunnels are more prone to disasters such as water inrush. In order to calculate the deformation and the excavation...
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A methodology for subsea system design considering integrated production/injection modeling
Offshore oil and gas production plays an important role in world energy supply, while labeled with high risks and intensive capital investment....
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Three-Dimensional Sound Source Location Algorithm for Subsea Leakage Using Hydrophone
Leakages from subsea oil and gas equipment cause substantial economic losses and damage to marine ecosystem, so it is essential to locate the source...
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Splash Zone Dynamic Analysis of A Suspended Semi-Submerged Subsea Module for Irregular Waves
Experimental and numerical studies on the dynamic cable tension of a subsea module during semi-submerged hoisting tests are performed. The...
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Context-based and image-based subsea pipeline degradation monitoring
This research examines the factors contributing to the exterior material degradation of subsea oil and gas pipelines monitored with autonomous...
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Remaining Useful Life Prediction Method for Multi-Component System Considering Maintenance: Subsea Christmas Tree System as A Case Study
Maintenance is an important technical measure to maintain and restore the performance status of equipment and ensure the safety of the production...
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An ensemble method for automatic real-time detection and evaluation of oil and gas leakage in subsea pipelines based on 3D real-time sonar system
Traditional methods for detecting oil and gas leakage in subsea pipelines have low efficiency and accuracy. There are also many limitations in using...
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Case study for failure analysis and prevention in subsea axial check valves used on chemical injection lines
Subsea axial check valves are used in manifolds on chemical injection lines. This study discusses the problem of the ingress of particles and dirt...
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An ensemble method for automatic real-time detection, evaluation and position of exposed subsea pipelines based on 3D real-time sonar system
At present, traditional subsea pipeline structural health monitoring (SHM) uses the sonar equipment, which needs to post-process the obtained data....
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Dynamic Analysis of A Subsea Suspended Manifold Going Through Splash Zone During Installation
The subsea suspended manifold designed to replace the traditional foundation structure with the buoys is a new generation subsea production system...
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Advances in Failure Prediction of Subsea Components Considering Complex Dependencies
The technological advancement in subsea system design for harsh environments presents structural and functional performance complexity. This paper...
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A fast GA-ANN model and application in multi-objective optimization of the sealing ring for the subsea pipeline connector with regard of the penetration load
In this paper, a finite element method is proposed to predict the contact pressure of the metal seal in the subsea pipeline connector with regard of...
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Case study of low-alloy steel material selection for the bodies of subsea valves: failure prevention approaches
Material selection is an important task in the mechanical design of industrial components such as pi** and valves. Industrial valves play a vital...
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Buckling and stability of subsea HP/HT pipelines on laterally slo** seabeds
Subsea pipelines are commonly subjected to high compressive axial loads that may result in various types of displacements. The majority of...
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Analysis of Driving Psychological Load in V-Shaped Subsea Tunnels Considering Driver Skin Electrical Signals
To examine the variation law of the driving psychological load in subsea tunnels under different illumination and longitudinal slope conditions, 22...
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1D numerical simulations of wax deposition in a subsea passive cooler prototype for the evaluation of minimum experimental test times
This paper explores a methodology for estimating the minimum time duration of experiments focused on wax deposition studies to be carried out for a...
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Comprehensive and Quantitative Evaluation of Subsea Tunnel Route Selection: A Case Study on Bohai Strait
The Bohai Sea is the immense inland sea in China and the Bohai Strait is a sea graben from East China to Northeast China which lies between the...
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ANN-Based Seabed Soil Type Classification Economical Impact for Subsea Trenching Process
Applications that involve image analysis frequently make use of an artificial neural network (ANN). It has been established that it is effective in...
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Transient Characteristics of a Hydraulic Remote Control System with a Long Transmission Pipeline for Subsea Equipment and Devices
A hydraulic remote control system (HRCS) of subsea equipment and devices equipped with long transmission pipelines was studied. Considering the...
