Experimental Studies of Efficient Wells Completion in Depleted Gas Condensate Fields by Using Foams

Author:

Volovetskyi Volodymyr1,Doroshenko Yaroslav2,Karpash Oleh3,Shсhyrba Oksana1,Matkivskyi Serhii4,Ivanov Oleksandr2,Protsiuk Halyna5

Affiliation:

1. Branch Ukrainian Scientific Research Institute of Natural Gases Joint Stock Company “Ukrgasvydobuvannya” , 20 Himnaziina Naberezhna str ., Kharkiv , Ukraine

2. Department of Oil and Gas Pipelines and Storage Facilities, Institute of Petroleum Engineering , Ivano-Frankivsk National Technical University of Oil and Gas , 15 Karpatska str ., Ivano-Frankivsk , Ukraine

3. Department of Energy Management and Technical Diagnostics, Institute of Architecture, Construction and Power Engineering , Ivano-Frankivsk National Technical University of Oil and Gas , 15 Karpatska str ., Ivano-Frankivsk , Ukraine

4. Joint Stock Company “Ukrgasvydobuvannya” , 26/28 Kudriavska str ., Kyiv , Ukraine

5. Department of Applied Mathematics, Institute of Information Technologies , Ivano-Frankivsk National Technical University of Oil and Gas , 15 Karpatska str ., Ivano-Frankivsk , Ukraine

Abstract

Abstract The reasons for decreasing the well operating parameters of depleted gas condensate fields have been analysed. A new approach has been proposed, which involves restoring the wells productivity by creating foam by means of a device developed for removing liquid from the well bottom. The expediency of using foam has been experimentally investigated for gas condensate wells to be completed and their productivity to be recovered. Techniques for removing liquid contaminants from wells have been developed, which involve injecting non-explosive gas mixtures and foams of various volumes into wells. Computational fluid dynamics modelling of the operation of the device for the wells completion with foam was carried out. The influence of the mass flow rate of an aqueous solution at the inlet to the device on the distribution of volume fraction of the gas and liquid phases, and the quality of the foam has been investigated. The understanding of the regularities of foam destruction processes by hydrocarbon condensate was obtained, and a device design was developed for the complete foam destruction.

Publisher

Walter de Gruyter GmbH

Subject

Mechanical Engineering

Reference34 articles.

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3. [3] Rauf, O. “Gas well deliquification-a brief comparison between foam squeeze and foam batch approach”, Journal of industrial and intelligent information 3 (1), pp. 45 – 47, 2015. DOI: 10.12720/jiii.3.1.45-47

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