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ASSESSMENT OF THE ZONE OF INTENSE GAS CONDENSATE EVAPORATION DURING BLOWOUTS IN SHALLOW WELLS
JOURNAL: Volume 14, No. 1, 2024, p. 12-23HEADING: Research activities in the Arctic
AUTHORS: Solbakov, V.V., Zatsepa, S.N., Ivchenko, A.A.
ORGANIZATIONS: N. N. Zubov’s State Oceanographic Institute, Federal Research Center “Computer Science and Control” of the Russian Academy of Sciences
DOI: 10.25283/2223-4594-2024-1-12-23
UDC: 502.3
The article was received on: 13.11.2023
Keywords: mathematical modeling, oil spill response plans, emergency blowout of gas condensate wells, evaporation of gas condensate, Lagrangian elements, computational fluid dynamics, SPILLMOD
Bibliographic description: Solbakov, V.V., Zatsepa, S.N., Ivchenko, A.A. Assessment of the zone of intense gas condensate evaporation during blowouts in shallow wells. Arktika: ekologiya i ekonomika. [Arctic: Ecology and Economy], 2024, vol. 14, no. 1, pp. 12-23. DOI: 10.25283/2223-4594-2024-1-12-23. (In Russian).
Abstract:
The paper reviews the approach of assessing mechanisms and factors determining the formation of a gas condensate spill from a shallow underwater emergency discharge at a gas condensate field. The researcher determine spatial and temporal formation scales of an intense evaporation zone for the characteristic flow rates of underwater wells, necessary for assessing the area of increased gas contamination in which it is impossible to carry out emergency recovery measures. They establish that the radial flow in the area where the gas-liquid plume exits the sea surface determines the size of the intense evaporation area; at low values of wind speed and currents, it depends on the well flow rate, gas factor and fractional composition of the oil product. The researchers have carried out calculations using the SPILLMOD model and the evolution model of a characteristic Lagrangian element in the spilling region.
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