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Keywords: microstructure
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35228-MS
... material engineering offshore technology conference production chemistry machine learning alloy precipitate microstructure embrittlement The oil and gas industry as a whole is an industry faced with a wide range of highly demanding materials applications. From deep sea wells, to producing oil...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32488-MS
... completion indication upstream oil & gas fillet weld fillet weld joint welding process weld joint design weld joint fabrication weld completion microstructure incubation time cut sample residual stress Introduction In offshore structure, one of the most common failure mechanisms...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32118-MS
... offshore technology conference nanocomposite upstream oil & gas superplasticity oil degradable social responsibility pioneering industry microstructure high pressure high temperature communication alloy unrestricted production dissolution hydrocarbon grain boundary Introduction...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31252-MS
... material system porosity hip vessel modern hip system pressure vessel furnace offshore technology conference hiping fatigue life microstructure Introduction The oil and gas industry trend to place more stringent regulations and requirements on projects has driven increased demands...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31288-MS
... Abstract A high-strength dielectric sealing material has been developed for sealing electrical connectors, feedthroughs, bulkheads, and interconnectors. X-ray diffraction analyses have identified that the microstructures of the sealing material could be of amorphous and α-phase mixed morphology...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30641-MS
... manufacturing method application microstructure oilfield chemistry supply chain conventional manufacturing method cover frame reduction adoption mechanical property selective laser melting feedstock corrosion inhibition corrosion management inconel 718 offshore technology conference powder...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30682-MS
... heat exchanger microstructure offshore technology conference exchanger inconel 718 liquified natural gas crank disk additive manufacturing process additive manufacturing upstream oil & gas Takata N , Kodaira H , Sekizawa K , Suzuki A , Kobashi M . Change...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28753-MS
... and which is a cost effective solution compared to Duplex grades. corrosion performance tensile specimen high chloride solution strength scc corrosion management new cra grade h2s management austenite new alloy microstructure application offshore technology conference high temperature...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27540-MS
... of metallic AM for oil and gas applications. strength microstructure offshore technology conference research and development alloy 718 application powder flow path laser requirement mechanical property dml process printing reduction optimization upstream oil & gas prototype build...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-26934-MS
... in the matrix have on the growth, microstructure, corrosion and mechanical properties of the new class of metal-matrix nanocomposite coatings. Experimental results also show that this material outperforms current commercially available electroless Ni-B coatings. The novel coatings presented extend the lifetime...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27024-MS
... embrittlement, so as to ensure their suitability for those offshore opportunities. subsea system grain size metallic material suitability mooring system upstream oil & gas strength hydrogen embrittlement microstructure sea water mpa fatigue test offshore technology conference synthetic...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23668-MS
... the microstructure, and these scattered neutrons are registered on a position-sensitive neutron detector. The angular profile of the small-angle scattered (SAS) intensity can be analyzed to determine the statistically representative size distribution, volume fraction and form of the scattering features...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-22906-MS
... chemistry mechanical property carbon equivalent microstructure variation otc 22906 strength offshore technology conference weld metal requirement adj corrosion management intrado extrado h2s management induction coil wall thickness wellbore design corrosion inhibition production chemistry...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2011
Paper Number: OTC-21832-MS
.... microstructure toughness requirement insulation coating insulation system upstream oil & gas machining strength pipe end offshore technology conference hot induction bend flowline cascade pipe hot induction chinook project otc 21832 riser OTC 21832 Cascade and Chinook Project: Pipes...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2011
Paper Number: OTC-21673-MS
... the mechanical properties of the steel were not obtainable in any other way. The principle of the method is to roll without recrystallization in the austenitic regime of the carbon steel and to create with the help of the phase transformation from austenite to ferrite a very fine grained microstructure. Grain...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20475-MS
...: material combination, buttering welding procedure and postweld heat treatment (PWHT) [1]. Each of these influences the microstructure and chemistry across the interface and unless specifically selected for resistance to HE, the joint is susceptible to failure. Whilst the vast majority of subsea joints have...

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