Pedchenko, N. M. (2022) IMPROVING THE EFFICIENCY OF THE TECHNOLOGICAL COMPLEX FOR THE DEVELOPMENT OF MARINE GAS AND GAS HYDRATE DEPOSITS. UNIVERSITAS Publishing. с. 396-415.

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English abstract

Purpose. Substantiation and the development of principled schemas, acceptable to the existing technique, methods of production and transportation of natural gas of the offshore fields of gas or gas hydrates. Improving their efficiency by way maximum reduction of the energy consumed is the result of complex consideration of thermal properties and parameters of interaction of the components system within the deposit what is developing. Findings. The technology of gas hydrates withdrawing with the productive reservoir without energy consumption for the phase transition is proposed. The question of enrichment directly in situ of rocks what containing gas hydrates is considered. Dissociation of residue of the gas hydrates in the rock must be implemented at the expense low potential energy of sea water. The expediency of a compatible development of gas hydrate and gas fields, by way binding of free gas in gas hydrates at the expense of presence of necessary temperature and pressure conditions at passes it through the thickness of sea, is proved. Expediency combination into one a chain of the proposed technology of the development of the offshore fields of gas and gas hydrate with technology of gas transportation in hydrate form and its storage in terrestrial storages is proved. Originality. Ability to extract gas hydrates from the productive reservoir without the energy consumption for the dissociation, by creating conditions of its recrystallization as a result compatible actions of flooded streams of sea water in a mixture with an abrasive material and pressure fluctuations, is proved. Ability to extract natural gas from residue of gas hydrates in the pulp at the expense of low energy of seawater and changes of its pressure with depth is proved. Practical implications. The proposed gas hydrate technology creates important preconditions for the development of small and medium remote gas deposits (including the gas hydrate), the network of terrestrial storages of the hydrates, improves the efficiency and competitiveness of technology marine transport of natural gas in the hydrate form. Key elements of the technological complex production, transportation and storage of gas offshore fields of the gas and gas hydrate on the basis of gas hydrate technology are proposed and proved.

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