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Keywords: pipeline
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Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-021
... ABSTRACT A precise prediction of seabed stability involving the fluid-pipe-soil interaction can lead to significant cost reductions by optimising design. Unlike previous investigations, a three-dimensional numerical model for the wave-induced soil response around an offshore pipeline...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-029
... midstream oil & gas anchor weight anchor dnv method strength pipeline geometry limit state equation offshore pipeline impact energy pipeline concentric ring reliability theory probability pipeline failure probability drop point material property variation failure probability...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-135
...Sliding-rolling mechanism for lateral stability of the pipeline on a silty seabed Kai Xu1,2, Fu-ping Gao1,2*, Wen-gang Qi1,2 1 Key Laboratory for Mechanics in Fluid Solid Coupling System, Institute of Mechanics, Chinese Academy of Sciences, Beijing, China 2 School of Engineering Science, University...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-134
... numerical model offshore pipeline mechanism hydrodynamic force instability hydraulic gradient upstream oil & gas flow-induced instability seepage flow maximum upward hydraulic gradient pipeline pipe-soil system submarine pipeline coupling simulation gradient flow velocity...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-030
... ABSTRACT The impact of dropped objects and trawl board on submarine pipelines are simulated by a non-explicit finite element method. The new method works in three mechanics. The impact process is simulated by adjusting the material properties. The damage of the pipeline is solved using Cowper...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-151
... Dynamic Response of Pipeline in Touchdown Zone under complicated loadings Yun-yun Dai, Jing Zhou State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology. Dalian, Liaoning, China ABSTRACT The touchdown zone (TDZ) is the most important part of the steel catenary...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-056
... Abstract This paper introduces the Shenzhen-Hong Kong submarine pipeline of West to East Gas Pipeline II Project. In specific environmental conditions and submarine pipeline's situation, we carried on the risk identification for pipeline suspending, drop anchor impacting and ship aground...
Proceedings Papers

Paper presented at the The Tenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 3–5, 2012
Paper Number: ISOPE-P-12-027
... 0.002 W/cm2. This effect represents practical interest in decreasing extreme starting loads on pumps of technological pipelines especially in polar or pre-polar winter conditions. The result may be also important for crude mineral oil pipeline transportation from polar and pre-polar fields. KEY WORDS...
Proceedings Papers

Paper presented at the The Tenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 3–5, 2012
Paper Number: ISOPE-P-12-023
... of the underground gas storages. The storage facilities quantity is going to be decrease with opening new areas of gas pipelines and development of existing pipe systems "Ukhta - Torzhok", "NTR - Torzhok" and "Sakhalin - Khabarovsk - Vladivostok". At the present time there are works on finding the optimal locations...
Proceedings Papers

Paper presented at the The Tenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 3–5, 2012
Paper Number: ISOPE-P-12-055
... ABSTRACT: When tides flow over the ocean floor, they exert dynamic pressure on the porous seabed, and consequently result in oscillatory pore pressure and seepage in the seabed. Stability of the large-diameter pipelines under construction immersed in the seabed may be influenced by the excess...
Proceedings Papers

Paper presented at the The Ninth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 14–17, 2010
Paper Number: ISOPE-P-10-001
... pipeline (Bambuliak and Frantsen, 2009). It is important to provide interactions between the gas companies by working out of logistical schemes of LNG transportation. Definition of optimum technical parameters of bulk carriers and other 188 Proceedings of the Ninth (2010) ISOPE Pacific/Asia Offshore...
Proceedings Papers

Paper presented at the The Eighth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 10–14, 2008
Paper Number: ISOPE-P-08-027
... the authors are looking at the environmental risks of oil transport activity in the Russian Federation s Far East offshore regions. The ecological risks which emerge during the functioning of the pipeline system and oil trans-shipping terminal are presented. A modeling of oil spills spreading are suggested...
Proceedings Papers

Paper presented at the The Seventh ISOPE Pacific/Asia Offshore Mechanics Symposium, September 17–21, 2006
Paper Number: ISOPE-P-06-031
...) tanker; Concept 2 considers offshore facilities connected by a pipeline to an onshore receiving terminal; Concept 3 considers offshore facilities connected by a pipeline to existing infrastructure located in the surrounding area. Based upon the same oil and gas reserves and production profiles, the three...
Proceedings Papers

Paper presented at the The Seventh ISOPE Pacific/Asia Offshore Mechanics Symposium, September 17–21, 2006
Paper Number: ISOPE-P-06-038
... platforms has once again attracted the industry attention. It has been used in recent large oil field development in West Africa. This combined system has many advantages in developing China oil & gas fields in shelf area. For the areas lack of infrastructure, such as pipelines, this approach provides...
Proceedings Papers

Paper presented at the The Seventh ISOPE Pacific/Asia Offshore Mechanics Symposium, September 17–21, 2006
Paper Number: ISOPE-P-06-023
... ABSTRACT: Ocean-current-induced pipeline stability on sandy seabed was simulated physically in a flow flume. The process of pipeline losing onbottom stability in currents was recorded and analyzed. Experimental data show that, for a pipeline directly laid on sandy seabed, there exists a linear...
Proceedings Papers

Paper presented at the The Seventh ISOPE Pacific/Asia Offshore Mechanics Symposium, September 17–21, 2006
Paper Number: ISOPE-P-06-019
... ABSTRACT: This paper outlines Cheng-Dao field development mode and peculiarity, and addresses some issues to be noticed in design and management. It describes some methods detecting for outer pipeline and inner pipeline about submarine pipeline. The examples are acoustic wave method and ROV...
Proceedings Papers

Paper presented at the The Sixth ISOPE Pacific/Asia Offshore Mechanics Symposium, September 12–16, 2004
Paper Number: ISOPE-P-04-021
... ABSTRACT: The theoretical analysis and the statement of problem of optimization of a spatial orientation of the subsea pipeline route taking into account the magnitude of its burial depth and a bottom configuration on the basis of probabilistic approach from the point of view of a mathematical...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-001
... a 12 kIn plpelme and Is then comlngled and piped to shore along a 19 kIn, 324mm diameter pipeline. 5 FigureS. Perch and Dolphin monotowers prior to load-out Subsea Completions The development of the Seahorse and Tarwhlne fields Is another break from Bass Stcilt's tradltlonal marmed platforms. Economic...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-055
... ABSTRACT: Development of offshore oil and gas fields involved the necessity of installation of multiple underwater pipelines to transport oil and natural gas. In the past intensive research has been conducted in the USSR into various theoretical and practical aspects of the marine pipe line...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-056
... of underwater oil and gas pipelines in a certain soil to ensure their safety and reliability. To determine the conditions of formation and characteristics of grounded ice hummock, complex investigations of ice regime elements have been carried out recently in the area of perspective oil and gas deposits...

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