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Keywords: offshore 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
... offshore pipelines in calcareous sand," J Geotech Geoenviron Eng, ASCE 128, 363 371. 567 ABSTRACT Previous studies on the lateral instability of the pipeline seldom paid attention to the detailed breakout process at the pipe-soil interface, where the sliding and the rolling mechanism could...
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
... submarine pipeline absorption calculation result deformation interaction engineering offshore pipeline Analysis of the Impact of Dropped Objects and Trawl Board on Submarine Pipelines Considering Pipe-soil Interaction Yuliang Zhao, Fengyuan Jiang, Sheng Dong, Ri Zhang* College of Engineering, Ocean...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-018
... saturation machine learning soil displacement engineering vicinity analytical solution offshore pipeline pore pressure liu trench layer ocean engineering equation boundary condition upstream oil & gas permeability artificial intelligence jeng wave-induced soil response...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-165
... at certain locations, while free spanned at other locations. circular cylinder flow field gap section zebraic case lift coefficient reservoir simulation zdravkovich plane engineering steady flow coefficient offshore pipeline numerical study production control production monitoring...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-056
... channel penetration depth gas pipeline anchor risk and uncertainty assessment longgu channel natural frequency risk management offshore pipeline impact energy submarine pipeline ship probability risk assessment midstream oil & gas frequency aground ocean engineering cnpc research...
Proceedings Papers

Paper presented at the The Tenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 3–5, 2012
Paper Number: ISOPE-P-12-010
... on the failure mechanisms at very shallow penetration, especially within the first 0.2-0.3 m below seafloor. resistance pipe diameter offshore pipeline mechanism embedment depth continuous pipe penetration penetration resistance unit weight full-flow mechanism flow mechanism bearing capacity...
Proceedings Papers

Paper presented at the The Tenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 3–5, 2012
Paper Number: ISOPE-P-12-055
... water level pore pressure response pipeline pore water tide construction uplift force submarine pipeline offshore pipeline water pressure lifting force equation large-diameter pipeline analytical solution upstream oil & gas excess lifting force pore pressure seepage force Tides...
Proceedings Papers

Paper presented at the The Ninth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 14–17, 2010
Paper Number: ISOPE-P-10-007
... decades by many researchers. experiment viv frequency isope cylinder response frequency pipe model circular cylinder vibration submarine pipeline span offshore pipeline pipeline span span natural frequency vortex-induced vibration pipe flow velocity sand case diameter 2010...
Proceedings Papers

Paper presented at the The Seventh ISOPE Pacific/Asia Offshore Mechanics Symposium, September 17–21, 2006
Paper Number: ISOPE-P-06-023
... instability upstream oil & gas experimental study sand scour pipeline pipeline on-bottom stability displacement froude number on-bottom stability offshore pipeline fr-g correlation submerged weight Experimental Study of Pipeline Stability on Sandy Seabed under the Influence of Ocean Currents...
Proceedings Papers

Paper presented at the The Seventh ISOPE Pacific/Asia Offshore Mechanics Symposium, September 17–21, 2006
Paper Number: ISOPE-P-06-019
... platform development mode pipe wall oilfield submarine pipeline hui sun corrosion protection offshore pipeline upstream oil & gas metal loss oil field engineering protection Design and management of Chengdao Oilfield Submarine Pipeline Hui Sun Production Department, Shengli Petroleum...
Proceedings Papers

Paper presented at the The Seventh ISOPE Pacific/Asia Offshore Mechanics Symposium, September 17–21, 2006
Paper Number: ISOPE-P-06-014
..., water hammer and external forces which can be formed by wind, current or earthquake. platform midstream oil & gas excitation vibration ice-induced vibration dynamic response equation frequency piping design jacket platform offshore platform offshore pipeline ice vibration local...
Proceedings Papers

Paper presented at the The Seventh ISOPE Pacific/Asia Offshore Mechanics Symposium, September 17–21, 2006
Paper Number: ISOPE-P-06-050
.... Studies on local scour below offshore pipeline in waves are rare. Local scour below pipelines subjected to steady currents has been understood relatively well. The experimental observations showed that local scour development below pipeline in steady currents can be classified into two stages (Mao, 1986...
Proceedings Papers

Paper presented at the The Sixth ISOPE Pacific/Asia Offshore Mechanics Symposium, September 12–16, 2004
Paper Number: ISOPE-P-04-021
... hummocks and icebergs which are extreme ice formations and present the basic and greatest hazard to the subsea line structure. indentation depth calculation hummock impact offshore pipeline probabilistic simulation model configuration sea bottom probability subsea pipeline route artificial...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-053
...ProceedIngs of the First Pacific/Asia Offshore Mechamcs SymposIUm Seoul, Korea, 24-28 June, 1990 Copynght © 1990 by The InternatIOnal SOCIety of Offshore and Polar Engineers DYNAMIC EFFECTS ON OFFSHORE PIPELINES DUE TO BARGE MOTION DURING DAVIT LIFTING 5 J Lim and J I Park Hl'ulldm ElIglJlPPrllIg...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-054
... in the experiments. INTRODUCTION Increasing activities offshore with regards to the petroleum industry has created a widening interest in research in this field lately. Since it is anticipated that a continued increase of offshore pipelines will be laid in future in several parts of the world, relevant studies...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-070
...-bottom on Hydrodynamic Forces Acting on Offshore Pipelines," China Ocean Engineering, VoU, No.3_ E Xuequan and Li Donghui,(1989), "Influence of Boundary on Flow Field Around a Circular Cylinder," Institute of Mech. Chinese Academy of SCIences, BeIjing Tech. Report (in Chinese). Jothi Shankar, N., Cheong...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-055
... for the present experiment. pipe string resistance tow velocity increase initial variant diameter test result tow resistance full-scale test pipeline tow resistance rough sea condition upstream oil & gas accomodation sea condition dual pontoon construction offshore pipeline pontoon...

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