Bulk Cargo Marine Transportation Industry

Bulk cargo is being transported in large parcels to reduce transportation cost calculated per unit of cargo. Its main categories are: liquid cargo, dry bulk cargo and special bulk cargo. The deadweight of the fleet of ships carrying bulk cargo by sea increased 3.4 times in 1990-2020. Dry carriers account for 55% of the fleet and their deadweight increased 4.4 times during the same period. The Oil and oil products tankers account for 37% of the deadweights which has been increased by 2.4 times. The majority of the oil tanker tonnage (over 98%) comes from VLCC, Suezmax and Aframax type vessels. 60% of this is 200 thousands tankers sized more than dwt. The oil tanker freight market in 2002-2019 was characterized by a high level of volatility. VLCC tanker time-charter equivalent ranged from $ 8.7-95.2 thousand in 2002-2019. The variability of time-charter rates in other oil tanker categories was similar. The major part of the tonnage of product tankers (more than 90%) is derived from from LR2, LR1 and MR2 type of vessels. 43% of these are LR2 tankers. This segment of the freight market was also highly variable. LR2 tanker time-charter equivalent ranged from $ 7.5-28.8 thousand in 2011-2019 years. The main part of the tonnage of dry cargo vessels (over 69%) comes from Capesize, Panamax and Supramax type vessels. This segment of the freight market has been declining and highly volatile in recent years. The capesize-type ship time charter equivalent ranged from $ 3.5-30.8 thousands in 2011-2019. Keywords: bulk cargo, oil tanker, bulk carrier, gas carrier, chemical tanker, time charter equivalent.

Analysis of soil contamination with oil and petroleum products

The oil industry has a considerable role to play in the development of scientific and technological progress, it should also be taken into account that oil and its components are increasingly being used in various industries every year. Obviously, oil also has a decisive influence on the economies of individual sectors and the country as a whole. Therefore, monitoring the activities of oil companies is important so that environmental disasters arising from oil spills are avoided, and knowledge of techniques for dealing with such accidents is essential. Within the scientific article the composition of oil, its types depending on its density are considered, different methods of environmental remediation are analysed, including the stages of chemical analysis of soil, the most optimal method is selected, research on assessment of the level of soil contamination with oil and oil products is conducted, statistics of soil remediation are given, and relevant conclusions are drawn.

Protection of water supply sources from the emergency oil spill on the water surface

The article provides an algorithm for organizing oil spill response on the water surface, as well as the results of the analysis of existing methods of oil and oil product spill response. In order to improve the complex of measures to eliminate oil spills on the water surface, the main requirements for oil-absorbing materials are given. It is shown that the localization and elimination of oil and oil products spills on the water surface due to the destruction of the underwater passage of the main oil pipeline requires a set of works that require the use of various methods and the use of the necessary technical means. The developed set of measures for organizing work in response to oil spills on the water surface and the results of the analysis of existing methods for responding to oil and oil products spills will reduce the time for containment and response to the spill, taking into account the optimal choice of technology for cleaning the coastal strip from oil pollution.

Protection of water supply sources from the emergency oil spill on the water surface

The article provides an algorithm for organizing oil spill response on the water surface, as well as the results of the analysis of existing methods of oil and oil product spill response. In order to improve the complex of measures to eliminate oil spills on the water surface, the main requirements for oil-absorbing materials are given. It is shown that the localization and elimination of oil and oil products spills on the water surface due to the destruction of the underwater passage of the main oil pipeline requires a set of works that require the use of various methods and the use of the necessary technical means. The developed set of measures for organizing work in response to oil spills on the water surface and the results of the analysis of existing methods for responding to oil and oil products spills will reduce the time for containment and response to the spill, taking into account the optimal choice of technology for cleaning the coastal strip from oil pollution.

Ecological state of alluvial soils of floodplain landscapes under conditions of local pollution by hydrocarbons (Western Siberia)

The paper presents an analysis of field and experimental studies of the main physicochemical parameters of oil-contaminated soils of floodplain ecosystems of the middle taiga subzone of Western Siberia. The features and main regularities of their change in different pollution zones (epicenter - impact zone) are revealed. The state of the physicochemical parameters of technogenically contaminated soils is compared with background analogs. The most important groups of chemical compounds and elements that pose an environmental hazard are considered - oil and oil products, technogenic readily soluble salts (including their toxic compounds), the ways of their migration, transformation and accumulation in contaminated soils. General recommendations are given on the use of the discovered regularities in the technical maps of reclamation measures and the system for monitoring contaminated soils.

Prognostication of fire of oil and oil products storage tank farms and engineering and technical solutions

The object of the study is «Severnaya oil depot of the Lipetsk region». This article defines the occurrence and development of a fire in the tank and the dependence of a number of factors, also indicates the type of flammable liquid, the presence of an explosive concentration inside the tank, the place of the fire, the design features of the tank, the presence and condition of fire protection systems. Also, an assessment of the object from the position of fire hazard was carried out, the calculation of forces and means ensuring their timely and effective connection in cases of fire. The necessity of using modern extinguishing means to eliminate the resulting fire is shown.

Calibration of Tanks and Ships’ Tanks for Storage and Transportation of Liquids by Laser Scanning

The goal of the research is to improve the accuracy of measurement the volume and mass of oil and oil products by the stationary measuring tanks and ships’ tanks. It is possible to achieving this goal only by using the laser scanning at tanks calibration. Metrological and other technical requirements for laser scanners have been developed. It is proved by the results of mathematical modeling that only the compliance of scanners with the developed requirements makes it possible to achieve the set goal. It has been developed methods of measurements by laser scanners that allow to achieve an increase in the accuracy of determination the interval capacities of all types of the tanks. Methods, formulae and algorithms for interval capacities of tanks calculation are very complicated. Therefore, the interlaboratory comparisons for the interval capacities, calculated by laboratories own software developed for processing the results of the specified calibration are proposed. It is concluded that the developed requirements, methods and algorithms will allow, in several times, to increase the accuracy of determining the interval capacities of the tanks with a significant reduction in time for measurements and processing of their results.

Theoretical-experimental study of dependence of natural frequencies of oscillations plates from application thickness

The paper considers the problem of asphalt-resin-paraffin deposits in the production of oil and oil products. Methods of sediment measurement have been studied. Computer simulation of dependence of natural frequencies of metal plate oscillations on thickness of deposits was carried out. Correlation dependence of oscillation frequency of the control object on thickness of deposits is confirmed. The obtained results allow prospective investigation of pipe-wires deposits thickness.

Analysis of the Price Change of the Azerbaijani Oil of Azeri Light, using the Monte-Carlo Method in the Conditions of Uncertainty

Purpose: This article examines the uncertain conditions of the oil industry in and post crisis period in Azerbaijan Republic in 2015-2017 and during COVID-19 in 2020. Design/Methodology: Existing turmoil in the global economy and volatile oil prices affected the economies of the oil-producing countries. Such instability also affected the economy of Azerbaijan Republic and led to a decrease in its key economic indicators, which leads to apply specific methods for identifying risks and estimating its valuation. Findings: The reasons of the sharp drop in oil and oil products demand have been analysed, using the Monte Carlo techniques and with its impact on Azerbaijan Republic as an example. Practical implications: The author, compiling the forecast for the chosen methodology, clarified forecast for 2018 of oil price of Azerbaijani oil brand Azeri Light in an uncertain environment, and made forecast for coming years, based on these calculations.

Study of Thermally Expanded Graphite for Rehabilitation of Oil-Polluted Water Ecosystems

The properties of sorbent on the basis of thermoexplite (STRG) obtained from the engineering center of IngSU "Development of modified sorbation materials" have been investigated. This sorbent is proposed to be used in the elimination of oil spills and products of its processing from the water surface. The porosity of the STGR was analyzed using a mercury porosimeter Pascal 140 and 240 Evo. It is shown that the investigated sample is a volumetric porous tool with a specific pore volume of 35.5 cm3/g. It is found that the available porosity is more than 97.2%. The pore size distribution was studied. Based on the data of the porous system, research on the sorption of oil and oil products by this sorbent. Shown is the high efficiency of STRG in cleaning the water mirror from oil and oil products. The main properties of oil sorbents have been investigated.