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Keywords: hydrate
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Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31958-MS
... Abstract In shallow marine sediments, gas accumulations and hydrates are significant geohazards to subsea infrastructure, drilling, and production. Therefore, predicting their occurrence is crucial to ensure offshore drilling safety and submarine infrastructure security. In this study, we...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31998-MS
... THIs are the most widely used gas hydrate inhibitors, but the high cost associated with transportation and storage, as well as the low flashpoint temperature (flammability), toxicity, the need to have a recovery unit and possible scale precipitation all present challenges for field applications...
Proceedings Papers
Scale-Up and Modeling Efforts Using an Omniphobic Surface Treatment for Mitigating Solids Deposition
Erika Brown, Marshall Pickarts, Jose Delgado-Linares, Hao Qin, Carolyn Koh, Sumil Thapa, Nakatsuka Matthew, Vinod Veedu
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32059-MS
... Abstract Gas hydrates, waxes and asphaltenes represent some of the most significant flow assurance challenges, especially in subsea lines, where treatment options can be limited. Currently, complete avoidance is the primary strategy for hydrate management, while chemical or mechanical flushing...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32102-MS
... Abstract Management of hydrate risk is a challenging problem in gas-condensate production systems. A "no inhibitor, no production" operational strategy is the norm due to the insufficiency of real-time knowledge of process conditions and hydrate kinetics in the field. This implies both lost...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31161-MS
...Introduction The formation of gas hydrates in production flowlines represents a challenging issue in the oil and gas industry. The eventual arrest of hydrocarbon production by hydrate plugs is a catastrophic scenario whose prevention is one of the flow assurance tasks ( Sloan et al. 2009...
Proceedings Papers
Syafiq Effendi Jalis, Intiran Raman, Al Ashraf Zharif Al Bakri, Anwaruddin Saidu Mohamed, Kumanan Sanmugam, Mohd Firdaus Samsudin
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31147-MS
...Hydrates Operating Envelope Based on Baker, J.W. and Gomez, R.K ., hydrate in this case is a mixture of natural gas entrapped inside water molecule cages that form lattice structures. These lattice structures will trap the "guest’ gas molecules which are typically composed of lighter...
Proceedings Papers
Anwarudin Saidu Mohamed, Syafiq Effendi Jalis, Intiran Raman, Kumanan Sanmugam, Dhanaraj Turunawarasu, Mohd Firdaus Samsudin, Al Ashraf Zharif Al Bakri, Kassim Selamat
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31232-MS
... is the flow assurance disturbances caused by hydrate and wax formation. Despite of having N2 blanketing surrounding the riser by design, the heat loss to the surrounding lower ambient temperature sea is inevitable. The ambient temperature of the seafloor is locally recorded at approximately 35 °F (1.67 °C...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31067-MS
... Abstract The natural gas hydrate, plentifully distributed in ocean floor sediments and permafrost regions, is considered a promising unconventional energy resource. The investigation of hydrate dissociation mechanisms in porous media is essential to optimize current production methods...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30520-MS
... Abstract In subsea production operations, wellhead jumpers are one of the subsea facilities more liable to the formation of hydrate blockages during restart operations. To manage hydrate formation and optimize the amount of thermodynamic hydrate inhibitors (e.g. mono-ethylene glycol; MEG...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30586-MS
... Abstract Gas hydrate formation is considered one of the major problems facing the oil and gas industry as it poses a significant threat to the production, transportation and processing of natural gas. These solid structures can nucleate and agglomerate gradually so that a large cluster...
Proceedings Papers
Hugo Francisco Lisboa Santos, Eduardo André Perondi, André Viegas Wentz, Anselmo Luis Silva Júnior, Dante Augusto Couto Barone, Maurício Galassi, Bruno Barbosa de Castro, André Manoel Goja Ferreira, Ney Robinson Salvi dos Reis, Hardy Leonardo da Cunha Pereira Pinto, Lincoln Homero Thomé Ferreira
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30663-MS
... Abstract Two major concerns in offshore production are Methane Hydrates and Paraffin Plugs. They may stop wells for months, causing high financial losses. Sometimes, depressurization techniques allow hydrate removal. Another strategy is using coiled tubing or a similar unit to perform local...
Proceedings Papers
Virtue Urunwo Elechi, Sunday Sunday Ikiensikimama, Onyewuchi Akaranta, Joseph Atubokiki Ajienka, Mike Obi Onyekonwu, Okon Efiong Okon
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30774-MS
...Abstract Abstract As deep-water activities and development into deeper operations (depth of 6,000ft or more) increases, temperatures and pressures become favorable for hydrate nucleation and growth. This results in additional risk and challenges as to how to prevent formation of gas hydrates...
Proceedings Papers
Celina Kakitani, Daniela C. Marques, Moisés A. Marcelino Neto, Adriana Teixeira, Leandro S. Valim, Rigoberto E. M. Morales, Amadeu K. Sum
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30775-MS
...Abstract Abstract The oil and gas production in deeper water scenarios (e.g. pre-salt) has been increasing due to the growth in industrial production. The exploration fields under more severe conditions is accompanied by concerns about solid precipitation/deposition and hydrate formation...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30768-MS
...ABSTRACT ABSTRACT Hydrate management is a major challenge for offshore oil and gas fields, and in subsea pipelines transporting gas from offshore platforms to the onshore processing facilities. This paper is intended to discuss the various hydrate control methods and strategies that have been...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30857-MS
...Abstract Abstract Hydrates are crystalline water compounds that may form in deepsea pipelines and have the ability to quickly and efficiently plug flow. Given this issue, gas hydrate formation tests have been conducted and reported in a number of published articles. However, most published data...
Proceedings Papers
Hao Qin, Anqi Qu, Yan Wang, Luis Zerpa, Carolyn Koh, Scot Bodnar, Sean Daly, Thierry Palermo, Khalid Mateen
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30545-MS
...Abstract Abstract The formation of gas hydrates is considered a major flow assurance issue resulting from high pressure and low temperature conditions during petroleum production in deep water developments ( Sloan and Koh 2007 ). Gas hydrates are solid crystalline compounds, which can be formed...
Proceedings Papers
Thomas B. Charlton, Stuart Kegg, Julie E. P. Morgan, Luis E. Zerpa, Carolyn A. Koh, Eric F. May, Zachary M. Aman
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29237-MS
.... L. , May , E. F. and Aman , Z. M. ( 2018 ). Simulating Hydrate Growth and Transport Behavior in Gas-Dominant Flow . Energy & Fuels 32 ( 2 ): 1012 – 1023 . Di Lorenzo , M. , Aman , Z. M. , Kozielski , K. , Norris , B. W. , Johns , M. L. and May , E. F...
Proceedings Papers
Judith Maria Schicks, Erik Spangenberg, Ronny Giese, Manja Luzi-Helbing, Mike Priegnitz, Katja U. Heeschen, Bettina Strauch, Jörg Schrötter, Jochem Kück, Martin Töpfer, Jens Klump, Jan Thaler, Sven Abendroth
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29296-MS
...Abstract Abstract At the GFZ German Research Centre for Geosciences we have developed a safe and efficient method which allows for the decomposition of gas hydrates by the supply of heat inside the reservoir. The heat is generated in situ by a catalytic combustion of methane in a counter...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29374-MS
... Abstract Deepwater natural gas hydrate resources potentially exceed all other conventional and non-conventional hydrocarbon resources on a world-wide basis. However, before these offshore gas hydrate resources can be classified as reserves, it must be demonstrated that gas hydrates can...
Proceedings Papers
Marshall A Pickarts, Erika Brown, Jose Delgado-Linares, Gabriela Blanchard, Vinod Veedu, Carolyn A Koh
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29380-MS
... Abstract In pipelines, solid compounds including gas hydrates and asphaltenes may form/precipitate and accumulate on the pipe surface, leading to a gradual stenosis of the flowline. As a result, production may become increasingly difficult or possibly interrupted if mitigation efforts...