«Proceedings of Gubkin University»

Increasing environmental safety of power plant installations of offshore oil and gas production platforms and vessels

UDC: 629.563
DOI: -

Authors:

¹ Sevastopol State University, Sevastopol, Russian Federation

Keywords: sea shelf, oil and gas fields, ecology, power plants, cooling systems, heat removal devices, offshore platforms, sea vessels, efficiency

Annotation:

The development of oil and gas fields on the Russian shelf requires the presence of an effectively functioning complex of various marine technical equipment. Existing national policies, as well as international maritime conventions, require that these facilities minimize negative impacts on the marine environment. The energy supply to such facilities is carried out through power plants, one of the most important elements of which is the cooling system. In most cases, such systems consume cooling water from the surrounding water area. As a result, the plankton contained in this water, when passing through the system, almost completely dies as a result of mechanical and thermal effects. As a result, fish productivity is reduced, since plankton is the basis of the food chain of the seas. Examples are given to illustrate this dependence. To eliminate this negative impact, it is proposed to use closed cooling systems that completely eliminate the intake of sea cooling water and the destruction of plankton. The research carried out made it possible to develop the necessary methods and designs of heat removal devices. The results of successful full-scale tests of the first domestic floating crane equipped with a closed cooling system are presented. Options for using such devices on offshore platforms are shown. A scientifically based method for intensifying heat removal from such systems is proposed. An integral indicator of the efficiency of cooling systems has been developed, taking into account technical and environmental factors, as well as the characteristics of various seas. This indicator can be used to justify the choice of cooling system option for the power plant of offshore platforms and vessels for various purposes.

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