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Keywords: nitrogen
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Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, November 2–August 19, 2020
Paper Number: OTC-30057-MS
... into the gas prior to traveling through the bed. The impact of dose rate, water content, carbon dioxide and contact time were assessed on the scavenging efficiency and kinetics of two triazine chemicals used to sequester H2S from a gas stream containing 180 ppmv H2S in nitrogen, to achieve a target H2S...
Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, March 20–23, 2018
Paper Number: OTC-28384-MS
... underbalanced nitrified foam drilling hole section annular pressure drilling nitrogen downhole isolation valve injection rate drilling fluids and materials drilling underbalanced drilling isolation valve float valve upstream oil & gas drilling operation pakistan foam system subject well...
Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, March 20–23, 2018
Paper Number: OTC-28615-MS
... Abstract The purpose of this paper is to share the challenges and engineering solutions in managing risk of using nitrogen as the refrigerant in the LNG (Liquefied Natural Gas) liquefaction process on a Floating LNG (FLNG). In December 2016, the first FLNG started to produce LNG 130 km offshore...
Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, March 22–25, 2016
Paper Number: OTC-26753-MS
... and facilitate running a downhole isolation valve to provide improved well integrity and faster bit trips. At first, nitrified seawater was used. However, this was changed to nitrified drillwater to reduce corrosion and scale. Membrane nitrogen was selected on both wells to avoid logistical constraints...
Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, March 22–25, 2016
Paper Number: OTC-26568-MS
... startup barg seal gas requirement upstream oil & gas nitrogen operation offshore technology conference startup gaslift compressor initial start-up OTC-26568-MS Gaslift Compressor Initial Start-Up Outside of the Design Envelope Azuani Haslinda Ab Halim and Johan Alimin Abdul Samad, Petrofac...
Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, March 22–25, 2016
Paper Number: OTC-26773-MS
... count and low complexity. To respond to this market need and to leverage in its vast knowledge and experience in the FPSO conversion business; Keppel has developed a proprietary liquefaction process named PreNEx (Precooled Nitrogen Expansion), which is based on a widely accepted nitrogen expansion...

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