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Keywords: friction
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35919-MS
... Improving the accuracy of oil and gas well design is critical to reducing the risk of structural failure over the well's life cycle, particularly for production and injection column components. The friction effect resists tubing movement and results in a redistribution of axial loads. This work...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35802-MS
... Abstract Pot bearings have been used in offshore platforms to support topsides structures. For guided and mobile pot bearings, low friction Teflon (PTFE) is commonly used between steel plates at the interface to allow the topsides to slide freely to prevent hull pry-squeeze loads from...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35482-MS
... application figure 4 requirement figure 6 reduction loading offshore technology conference plastic deformation carbon steel stiffness compression adaptive mechanism friction densification Introduction The oil and gas drilling industry has grappled with the persistent issue of stick/slip...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32332-MS
.... These fluids use the extra hydrostatic pressure of the brine to lower the surface treating pressure. 1 , 2 , 3 However, some of the hydrostatic advantage from the brine density of these fluids is lost due to the additional friction caused by this same increase in density. This friction increase has...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32620-MS
... upstream oil & gas resistance friction operation axial displacement scenario excess pore pressure offshore technology conference offshore pipeline displacement axial friction embedment Introduction Payara is the third project in the offshore Guyana prolific Stabroek Block, following...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31976-MS
... be substantially reduced. This study shows how the development of axial restraint forces is complex, with shear (‘friction’) at the pipe-berm and pipe-soil interfaces influenced by system settlement. We examine the restraint provided by rock berms through three phases of centrifuge model testing. Phase 1 isolates...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31188-MS
... engineering analysis and construction methods were used to ensure the integrity of the inner pipe during the pre-stressing process and operation. piping simulation friction contraction operation upstream oil & gas displacement inline bulkhead piping design pip system inner pipe pipe...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31268-MS
... 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 normal stresses...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30809-MS
.... friction trilobe tank lng tank moss tank thermal load loading condition midstream oil & gas full model liquified natural gas load case lng gas monetization design wave displacement tank cradle stiffness matrix interface wall time interface force contact problem linearized model...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30842-MS
... Edition . Colliat , J.L. , Vergobbi , P. & Puech , A. 1993 . Friction Degradation and Set-Up Effects in Hard Clays Offshore Congo and Angola . 25 th. Offshore Technology Conference , OTC, OTC paper no. 7192 . GRL WEAP , Wave Equation Analysis of Pile Driving , Pile...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30492-MS
... 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 that is typically...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29414-MS
... Method for Electronic Friction Cone and Piezocone Penetration Testing of Soils . D5778-07 , ASTM , Pennsylvania . Bond , A. , Jardine , R. , and Dalton , J. , " Design and Performance of the Imperial College Instrumented Pile ," Geotechnical Testing Journal , Vol. 14 , No. 4...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29321-MS
... High levels of friction, especially in horizontal and extended-reach operations, can be a major concern during sliding or rotating. Friction increases drag, which increases the required torque and weight on bit (WOB), thereby reducing efficiency. Other related issues include excessive tool...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28671-MS
... Abstract This paper presents experience and best practice for a new geotechnical laboratory test protocol – the low stress interface shear box (ISB) test – for determining soil properties relevant to pipeline-seabed friction. The paper is underpinned by a major database (>200 tests...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28748-MS
... system material design process seawater upstream oil & gas application offshore technology conference reduce cost scale test crj pv condition contact pressure friction requirement polymer resistance fiber rope References References Flory , John F. , Banfield , Stephen J...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27792-MS
... to sustain differential movement along the fault without developing a leak source to contaminate the environment. friction slip velocity internal pressure offshore pipeline kennedy strike-slip fault offshore technology conference fault displacement displacement fault rupture seismic fault...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27102-MS
... technology conference friction coefficient chain drag test padeye carbonate sand friction anchor chain inverse References References API RP 2SK ( 2005 ). Recommended Practice for Design and Analysis of Station Keeping Systems for Floating Structures Bhattacharjee , S. , Majhi...

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