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Keywords: friction
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Proceedings Papers
A Numerical Model for Friction Prediction in Directional Wells
Available to PurchasePublisher: Offshore Technology Conference
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
Probability-Based Estimate of Cumulative Displacements at Pot Bearings for Floating Platforms
Available to PurchasePublisher: Offshore Technology Conference
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
Novel Wire-Woven Elastic Structure Enabling Reliable and Cost-Effective Adaptive PDC Drill Bits
Available to PurchasePublisher: Offshore Technology Conference
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
Heavy-Weight Crosslinked Gel Frac Fluids – How Much Bang for the Buck DO We Really Get?
Available to PurchasePublisher: Offshore Technology Conference
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
Field Introduction Highlights of Tracer Shaped Charge with Degradable, High Entropy Liner for A 0.5 To 0.7-in Entry Hole, Adaptable to Any API 3 1 8 -in Gun
Available to PurchaseTing Roy, Kamel Ben Naceur, Casey Harrison, James Shelton, Otman Algadi, Kenny Jones, Ian Henkes, Daniel Markel, Hifzi Ardic, Indranil Roy
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32401-MS
... on perforation design (limited entry vs. high perf. design) has several benefits: lowering of "Perforation Friction" (Pf), lowering of treatment pressures, larger flow across each perforation, fewer chances of a screen-out, uniform drainage, and engineered completions where larger EHD perforations can be placed...
Proceedings Papers
Advanced Modelling of Clamped Mattress for Pipeline Walking Prevention and Mitigation
Available to PurchaseAntonio Parrella, Sabrina Bughi, Giovanni Profeta, Gianbattista Curti, Henry Yuan, Amr Hailat, Marijn Hooghoudt, Jack Francis, Phillip Watson
Publisher: Offshore Technology Conference
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
Rock Berms as Axial Restraint for Flowlines on Soft Soil: Improving Design Through Centrifuge Modelling
Available to PurchaseColm O'Beirne, Fraser Bransby, Conleth O'Loughlin, Phil Watson, Meysam Banimahd, Matthew Kuo, Mason Vojkovic, Rose Zhang
Publisher: Offshore Technology Conference
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
Challenges of Engineering the Hottest Subsea Heated Pipeline for the CRISP Project
Available to PurchaseChristian Geertsen, Steve Langford, Colin McKinnon, Fred McKinnon, Vicki Niesen, Frederico Orberg, Nick Wang
Publisher: Offshore Technology Conference
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
Pipe Clamping Mattresses to Mitigate Flowline Walking; Physical Modelling Trials on Three Offshore Soils
Available to PurchaseColm O’Beirne, Phil Watson, Conleth O’Loughlin, David White, Alexander Hodson, Sze-Yu Ang, Sebastiaan Frankenmolen, Jesper Hoj-Hansen, Matthew Kuo, Toby Roe
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31064-MS
... comprises a hinged concrete structure that clamps onto a section of laid pipeline, with concrete ballast logs securing the clamping 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...
Proceedings Papers
Experience with Interface Shear Box Testing for Pipe-Soil Interaction Assessment on Sand
Available to PurchasePublisher: Offshore Technology Conference
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
Design Wave Based Verification of Global Strength on an Unconventional FLNG Design
Available to PurchasePublisher: Offshore Technology Conference
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
Back Analysis of Mooring Pile Capacity Based on Pile Driving Data
Available to PurchasePublisher: Offshore Technology Conference
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
Prelude FLNG Driven Anchor Piles in Australian Carbonate Soils: Free-Fall Risk Management by Design
Available to PurchaseCyrille Dechiron, François Coste, Carl Erbrich, Marcel Heerkes, Frank Lange, Sebastiaan Frankenmolen, Ewoud Van Haaften
Publisher: Offshore Technology Conference
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
Innovative Use of the CPT to Assess the In Situ Degradation of an Offshore Overconsolidated Clay
Available to PurchasePublisher: Offshore Technology Conference
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
Downhole Data Analysis for Pressure-Pulse-Generating Tool Coupled with a Shock Tool
Available to PurchasePublisher: Offshore Technology Conference
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
Experience with Interface Shear Box Testing for Axial Pipe-Soil Interaction Assessment on Soft Clay
Available to PurchasePublisher: Offshore Technology Conference
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
Qualify, Verify and Demonstrate Robust Synthetic Mooring Lines to Reduce Costs
Available to PurchasePublisher: Offshore Technology Conference
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
Assessment of Subsea Pipelines Crossing Seismic Fault
Available to PurchasePublisher: Offshore Technology Conference
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
Performance Comparison of Sand Jet Perforating to Explosive Perforating for Multistage Hydraulic Fracturing of Coal Bed Methane Wells
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27883-MS
... will be made for optimizing the treatment process. upstream oil & gas sand jet perforator multistage hydraulic hydraulic fracturing offshore technology conference coiled tubing wireline gun sand jet perforation friction completion installation and operations entry hole diameter sand jet...
Proceedings Papers
Chain-Soil Interaction in Carbonate Sand
Available to PurchasePublisher: Offshore Technology Conference
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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