... of Subsea Pipelines by Hooking of Dragging Anchor Jian Zhou, Shiming Yang,Qianshuo Qi,Yanbo Liu* College of Shipbuilding Engineering, Harbin Engineering University, Harbin, China ABSTRACT Currently, research on subsea pipeline damage predominantly focuses on incidents involving falling objects hitting...

... ABSTRACT Submarine pipelines face the risk of accidental impact due to ship anchoring in the channel area, and rock berm protection is a commonly used means of protection. In this paper, a numerical simulation method coupled with smooth particle hydrodynamics and finite element method is used...

... equation sustainability sustainable development fairlead fowt chain section 2 zheng social responsibility subsea system configuration influence langley farm graphic illustration turbine matrix table 1 result elastic catenary formulae anchor amplitude wind turbine evaluation...

... ABSTRACT Behaviors of the plate anchor during its service life is a typical soil-pore water coupled problem. In this paper, the long-term performance of the plate anchor and cyclic pull-out using coupled analysis were investigated. It is found that under different sustained loading levels...

... fishing or shipping activities and the laying area of offshore pipelines, which have certain risks to the pipelines. Among the risks, ship anchoring activities may cause the greatest damage to offshore pipelines. In order to prevent third-party damage, offshore pipelines are generally protected by burial...

...Proceedings of the Thirty-fourth (2024) International Ocean and Polar Engineering Conference Rhodes, Greece, June 16 21, 2024 Copyright © 2024 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN 978-1-880653-78-4; ISSN 1098-6189 www.isope.org Design and Risk Analysis of Anchor...

... intelligence transformation winch underwater parallel robot robot submersion deviation leveling algorithm overload stability cable retrieval parallel robot anchor clark transformation park transformation adjustment Proceedings of the Thirty-fourth (2024) International Ocean and Polar...

... pipeline drag anchor trajectory installation process china government anchor installation trajectory impact response upstream oil & gas offshore pipeline displacement installation global displacement asia government pipeline model cel method anchor model subsea pipeline...

... ABSTRACT Floating facilities with mooring systems have been widely applied in the offshore oil and gas sector and are a viable solution for exploiting offshore wind and wave renewable energy. Plate anchors, an efficient foundation type embedded in the seabed and connected to mooring lines...

... geology frictional resistance embedment depth geologist upstream oil & gas anchor resistance strength shear strength united states government reaction force method hossain algorithm penetration depth installation general contact method torpedo anchor node strain rate...

... ABSTRACT During the installation process, drag anchors may impact or hook with subsea pipelines buried in seabed, resulting in damage to the pipelines. The inshore subsea pipeline is often protected by a rockfill protection layer, so the pull-out trajectory of drag anchors in the rockfill...

... canada government cr 02 anchor mass marine transportation penetration depth anchor type threatline risk management fluke angle vessel category soil type fluke length modifier anchor anchor strike cable incident anchor penetration depth probability high 10 traffic...

... anchor heave statistics spectra wire rope2 catenary line ABSTRACT The mooring design for moderate water encounters a conundrum of combining the virtues of reliable mooring performance and a competitive cost. In this article, an innovative mooring concept specially for moderate water (30-100m...

... are related to the methodology used to implement the trench profile underneath the riser. canada government trench profile equivalent stiffness anchor trench steel catenary riser shiri soil model trench mouth fatigue analysis riser fatigue damage trench effect proceedings trench formation...

... midstream oil & gas offshore pipeline rockfill layer capacity factor anchor mechanical protection design penetration depth bearing capacity factor soil resistance force asia government china government pipeline shipping lane submarine pipeline anchor shaft calculation result...

... ABSTRACT Emergency anchoring is one of the main causes of damage to submarine pipelines and one of the main factors to be considered in the design of pipeline protection. Based on the existing regulatory requirements and literature review, and combined with engineering experience, this paper...

... the available failure investigation reports, bibliographic review, presentations at seminars, workshops and interviews with different industry players. Chain manufacturers, chain rental companies, anchor handling operators, rig owners and license owners have been consulted. operation anchor...

... ABSTRACT This study investigates the seismic performance of a suction caisson anchor with static vertical tensile loading using 3D finite element analysis, in the context of a floating offshore wind turbine tension leg platform. A non-linear dynamic analysis was conducted using the advanced...

... failure mechanism gabrielsen high strength upstream oil & gas wind energy high-strength mooring chain martensite stern roller mooring system anchor incident standard update installasjoner untempered martensite consideration operation proceedings ndteringskonferansen hardness mobile...

... ABSTRACT A novel small footprint shared anchor (SFSA) mooring system concept is proposed for deepwater floating wind turbines based on a new "length-varying tension-fixed" (LVTF) theory. Theoretical discussions are provided, and an example is given using a simplified 2-line system...