... redistribution within the rock mass and arching over the pipe crown where the rock becomes partially self-supported. This results in loss of active load on the flowline, thereby impacting the static shear resistance (‘friction’) at both the flowline-soil and flowline-rock interfaces. The simple schematic...

... action – with the benefit that 100% of the submerged weight of the PCM contributes to axial friction. PCMs have been applied successfully to one deepwater project, but performance data showing the influence of soil type, and allowing a general design framework to be established, has not yet been...

... to determine soil properties relevant to pipeline-seabed friction on sandy seabeds. The paper is underpinned by a new database that demonstrates the driving parameters that influence interface friction in granular materials. By accurately quantifying shear resistance along the pipe-soil interface under low...

...-stressing process and operation. piping simulation friction contraction operation upstream oil & gas displacement inline bulkhead fe model offshore pipeline insulation bulkhead outer pipe piping design pip system inner pipe pipe design temperature end expansion pre-stressing...

.... friction trilobe tank lng tank moss tank thermal load displacement loading condition gas monetization design wave cradle stiffness matrix midstream oil & gas full model liquified natural gas load case lng tank interface wall time interface force contact problem linearized model...

...Abstract Abstract The Prelude FLNG facility anchoring system is based on a turret with 16 anchor legs, each connected to driven anchor piles in generally very weak and variable carbonate soils. Driven piles have a chequered history offshore Australia, due to the very low skin friction...

... of piles following driving. actual srd back analysed soil property hammer efficiency upstream oil & gas pile capacity hammer pile 4 srd subsea system mooring system strength driving resistance resistance self-weight penetration assessment soil property friction offshore...

... strength sleeve friction investigation cpt 2 friction residual strength test result wind energy upstream oil & gas sleeve friction value degradation shear strength jardine cptc test overconsolidated clay reservoir characterization displacement procedure shear strength degradation...

.... , Hanley , C. , Hussain , R. , Canuel , L. , & Martinez , J. ( 2015 , March 17 ). Axial Oscillation Tools vs. Lateral Vibration Tools for Friction Reduction - What's the Best Way to Shake the Pipe? Society of Petroleum Engineers . doi: 10.2118/173024-MS Barton , S. P...

... upstream oil & gas strength ratio interaction database displacement soft clay roughness offshore pipeline resistance smooth interface shear resistance interface strength consolidation specimen offshore technology conference friction axial resistance normal stress...

... , and Kwan , Chi-Tat Thomas . 2000 : Development of API RP 2SM for Synthetic Mooring Lines , Presented at Offshore Technology Conference , Houston 1-4 May 2000 , OTC Paper 12178 Ludema , K. C. 1996 : Friction, Wear, Lubrication: a textbook in tribology , ISBN 0-8493-2685-0.1...

... to sustain differential movement along the fault without developing a leak source to contaminate the environment. friction slip velocity internal pressure offshore pipeline kennedy offshore technology conference failure mode analytical approach upstream oil & gas fault movement magnitude...

... will be made for optimizing the treatment process. offshore technology conference coiled tubing wireline gun sand jet completion installation and operations upstream oil & gas sand jet perforator multistage hydraulic hydraulic fracturing friction entry hole diameter india perforation...

... methodology for flexible riser analysis including dynamics and frictional contact mechanics. The effect of coefficient of friction on the predicted substrate stress distributions and fatigue life of the nub-groove region of flexibles has been investigated. It is shown that coefficient of friction has...

... resistance padeye chain inverse offshore technology conference friction information mooring system subsea system friction coefficient API RP 2SK ( 2005 ). Recommended Practice for Design and Analysis of Station Keeping Systems for Floating Structures Bhattacharjee , S. , Majhi...

... as a whole rather than as separate elements. friction synthetic rope steel wire subsea processing riser traction winch synthetic fibre rope upstream oil & gas heave compensation offshore technology conference requirement offshore fibre rope subsea system water depth installation...

... through the design and operation of a pipeline. randolph offshore pipeline axial resistance soil strength resistance input parameter modeling consolidation mitigation measure friction assessment strength upstream oil & gas engineering embedment offshore technology conference soil...

... Abstract In order to design unburied pipelines, pipeline engineers require information about lateral and axial seabed resistances (normally known as ‘friction factors’) prior to and during operation. Geotechnical engineers must provide this information based on knowledge of pipeline properties...

... principles. This paper provides an overview of the development and testing performed on the pressure balanced Telescopic Safety Joint. protection friction internal pressure workover riser system compensator tsj safety joint telescopic riser safety joint balanced telescopic riser safety joint...

... Abstract This paper describes and explores the effects of geotechnical variability and uncertainty on the design of pipelines for thermal buckling and axial walking. Geotechnical input parameters – ‘friction factors’ – are often assigned extremely wide ranges between low estimates (LE...