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Journal articles on the topic 'Oil bottom sediment'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Perminova, V. V., Y. A. Frank, and D. S. Vorobiev. "Assessment of the ecological status of taiga lakes in the oil-producing region of Western Siberia based on the zoobenthos analysis." Theoretical and Applied Ecology, no. 2 (June 25, 2025): 86–91. https://doi.org/10.25750/1995-4301-2025-2-086-091.

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Hydroecological studies of the state of benthos communities in the oil-polluted lakes situated in the Samotlor oil field were carried out. One hundred and one lakes were examined, among which water bodies with organogenic bottom sediments and low pH values prevail. Oil products’ content in the bottom sediments of the examined lakes exceed background values. The minimum value of the total oil product content in the bottom sediments was 1.5 g/kg, the maximum values were above 300 g/kg. Twelve ecological groups of macrozoobenthos were found in bottom sediment samples. Chironomidae larvae (38.0%)

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Satybaldin, A. Zh. "THE INFLUENCE OF A HIGH-VOLTAGE DISCHARGE ON THE OIL BOTTOM SEDIMENTS FORMED AT THE OIL STORAGE FACILITIES OF THE ATASU-ALASHANKOU STATION." Eurasian Physical Technical Journal 18, no. 3 (37) (2021): 71–75. http://dx.doi.org/10.31489/2021no3/71-75.

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From three to ten per cent of the total oil produced can ultimately not be used for further processing. When the oil is transported by oil pipelines and oil tankers and stored in reservoirs, oil bottom sediments are deposited on the bottom comprising particles of mineral (non-oil origin) and the heaviest hydrocarbons, mainly paraffin series, whose specific gravity is higher than the density of oil and water. For reliable operation of the tanks, it must be periodically cleaned from the accumulated sediment. The study novelty is the use of the electrohydraulic effect for the processing of oil bo

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3

Satybaldin, Amangeldy, Almas Tusipkhan, Raikhan Seitzhan, et al. "Determination of optimal conditions for processing oil bottom sediments using electrohydraulic effect." Eastern-European Journal of Enterprise Technologies 5, no. 6 (113) (2021): 30–38. http://dx.doi.org/10.15587/1729-4061.2021.241763.

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Currently, there is an interest in effective technologies that cause minimal environmental harm, have low financial costs and allow you to obtain products with high added value. One of the ways to increase the yield of light and medium fractions from oil bottom sediments is to use the electrohydraulic effect. The electrohydraulic phenomenon is a new industrial method of converting electrical energy into mechanical energy, which occurs without the influence of intermediate mechanical links, with high efficiency. Statistical processing of experimental data was carried out with the identification

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4

Pavlova, O. N., S. V. Bukin, O. N. Izosimova, et al. "Anaerobic oxidation of oil by microbial communities of bottom sediments of a natural oil seepage site (Bolshaya Zelenovskaya, Middle Baikal)." Microbiology 93, no. 5 (2024): 548–61. https://doi.org/10.31857/s0026365624050044.

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The diversity of microbial communities and potential functional activity in anaerobic processes of oil degradation of bottom sediments was determined in the area of the Bolshaya Zelenovskaya oil seepage site (lake Baikal). When microorganisms of subsurface and deep sediment were cultivated in enrichment cultures containing oil and various electron acceptors for one year at 10ºC, the concentration of n-alkanes decreased by 1.2–2 times, and PAHs by 2.2–2.8 times. The conversion of hydrocarbons was accompanied by the generation of hydrocarbon gases (methane, ethane). The microbial community of th

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5

Amangeldy, Satybaldin, Tusipkhan Almas, Seitzhan Raikhan, et al. "Determination of optimal conditions for processing oil bottom sediments using electrohydraulic effect." Eastern-European Journal of Enterprise Technologies 5, no. 6 (113) (2021): 30–38. https://doi.org/10.15587/1729-4061.2021.241763.

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Currently, there is an interest in effective technologies that cause minimal environmental harm, have low financial costs and allow you to obtain products with high added value. One of the ways to increase the yield of light and medium fractions from oil bottom sediments is to use the electrohydraulic effect. The electrohydraulic phenomenon is a new industrial method of converting electrical energy into mechanical energy, which occurs without the influence of intermediate mechanical links, with high efficiency. Statistical processing of experimental data was carried out with the identific

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6

Kuzora, Igor', Elena Simonova, and Stepan Uhanev. "DEVELOPMENT OF RESOURCE-SAVING TECHNOLOGY FOR PROCESSING HEAVY OIL RESIDUES." Modern Technologies and Scientific and Technological Progress 1, no. 1 (2021): 45–46. http://dx.doi.org/10.36629/2686-9896-2021-1-1-45-46.

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The physicochemical and chemmotological characteristics of bottom sediment oil  sludge were studied to determine the optimal processing conditions. The possibility of obtaining light  distillates using the thermal method of exposure to oil sludge is investigated. A variant of the involve ment of bottom sediments in the installation of delayed coking is proposed

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7

Karaeva, J. V., V. O. Zdor, A. I. Kadyirov, and E. V. Shamsutdinov. "Jet mixing when heating oil and fuel oil in storage tanks." E3S Web of Conferences 124 (2019): 01047. http://dx.doi.org/10.1051/e3sconf/201912401047.

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This paper presents the research results of jet mixing and heating processes of crude oil of the Zachebashskoe field (Republic of Tatarstan) and fuel oil M100 in a tank with a capacity of 2000 m3. Circulation systems with nozzle inclination in the range from -25° up to 125° are considered. The presence and washing out of bottom sediments in the tank are modeled. The time required for removing the bottom sediments and for heating the tank to the optimum temperature is determined. The best heating for the tank with oil and fuel oil was observed at the nozzle inclination in the range from -25° up

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8

Pavlova, O. N., S. V. Bukin, O. N. Izosimova, et al. "Anaerobic Oxidation of Oil by Microbial Communities of Bottom Sediments of a Natural Oil Seepage Site (Bolshaya Zelenovskaya, Middle Baikal)." Microbiology 93, no. 5 (2024): 563–75. http://dx.doi.org/10.1134/s0026261724605608.

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Abstract The microbial communities of bottom sediments of the Bolshaya Zelenovskaya oil seepage site (Lake Baikal) were investigated to assess their diversity and potential functional activity in the anaerobic degradation of oil. Microorganisms of the subsurface and deep sediment layers were grown in enrichment cultures supplemented with oil and various electron acceptors for 1 year at 10°C, and it was found that the concentrations of n-alkanes and polyaromatic hydrocarbons decreased by 1.2–2 and 2.2–2.8 times, respectively. Hydrocarbon conversion was accompanied by generation of hydrocarbon g

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Baszanowska, Emilia, Zbigniew Otremba, and Maria Kubacka. "Fibre Optic Method for Detecting Oil Fluorescence in Marine Sediments." Sensors 25, no. 1 (2024): 173. https://doi.org/10.3390/s25010173.

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The aim of this study is to verify the possibility of detecting oil in the bottom sediment using a fibre optic system. The presence of oil is assessed on excitation–emission spectra obtained from spectral fluorescence signals of the sediment sample. A factory spectrofluorometer coupled with an experimental fibre optic measurement system was used. During the determination of spectra, the fibre optic system is set at a 45° angle to the sediment surface and placed above its surface. The light exciting the fluorescence and the light emitted by the sediment are transmitted in a combined bundle of f

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10

Starostin, S. A., N. V. Yurkevich, A. V. Edelev, and R. A. Kolesnikov. "Assessment of the ecological state of the composition of surface waters and bottom sediments in the Yamalo-Nenets Autonomous Okrug." Interexpo GEO-Siberia 2, no. 3 (2022): 72–79. http://dx.doi.org/10.33764/2618-981x-2022-2-3-72-79.

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The article shows the results of analyzes of surface waters and bottom sediments of the Yamalo-Nenets Autonomous Okrug. The following rivers were selected as objects: the Ob, the Taz, the Pur, the Yuribei etc. Sampling was carried out near settlements Salekhard, Nadym, Salemal, Pitlyar etc. Water samples were analyzed for the content of: dissolved oxygen, chemical oxygen demand, concentrations of oil products, iron, copper, zinc, nickel, manganese, sulfate ions, bottom sediment samples - for pH values of water extract, content of oil products, sulfates, iron, nickel, chromium, manganese, coppe

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Mirnaghi, Fatemeh, Yujuan Hua, Bruce P. Hollebone, and Carl E. Brown. "Evaluation of Oil-Sediment Interactions and the Possibility of Oil Sinking in Marine Environments." International Oil Spill Conference Proceedings 2017, no. 1 (2017): 2017–217. http://dx.doi.org/10.7901/2169-3358-2017.1.2017-217.

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ABSTRACT 2017-217 One of the major unknowns with respect to the fate and behavior of spilled dilbit is its state of buoyancy, particularly when mixed with sediments. What form do diluted bitumen and sediment mixtures take, and will they float or sink in water column? In this study, we evaluated the fate and behavior of Cold Lake Blend-Winter at three different weathering states (i.e., fresh, medium, and heavily weathered) in high-energy mixing marine conditions, with (and without) sufficient concentrations of sediments to ensure formation of oil-particulate aggregates (OPA). Conventional light

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Sultanbekov, R. R., A. M. Schipachev, and I. S. Leonov. "Influence of Residual Fuel Sediment on Stress-Strain State of a Vertical Steel Tank." Oil and Gas Technologies 134, no. 3 (2021): 60–64. http://dx.doi.org/10.32935/1815-2600-221-134-3-60-64.

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The article studies the formation of the total sediment by the incompatibility of residual fuels and oil products, analyzes and calculates the stress-strain state of the tank taking into account oil products and sediment. The studies examined the influence of temperature fields on the sedimentation of a mixture of residual fuels caused by the incompatibility of these components. Temperatures of a stored product, namely residual fuel RMK-700, and ambient temperatures are taken into account when modelling in ANSYS product. Effects that oil product has separately and oil product with bottom sedim

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13

Soloveva, O. V., E. A. Tikhonova, T. L. Klimenko, G. V. Skrupnik, and T. V. Votinova. "Organic substances of sea bottom sediments in conditions of the coast urbanization (for example Kazachiya Bay, The Black Sea)." Океанология 59, no. 2 (2019): 234–42. http://dx.doi.org/10.31857/s0030-1574592234-242.

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The data on the hydrocarbons compound in the sea bottom sediments of adjacent water area to the zone of mass cottage building (Kazachiya Bay, the coast of Sevastopol, the Black Sea) are given. As a result of the survey conducted in the summer of 2015, pH, Eh, natural moisture, chloroform extractable substances, oil hydrocarbons, petroleum products, polyaromatic hydrocarbons and n-paraffins in the sea bottom sediments of the water area were determined. Areas with unfavorable and moderately adverse environmental conditions are identified. The impact of coastal urbanization on the deterioration c

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14

Aleksandrova, Viktoria V., Vyacheslav B. Ivanov, and Vladislavna I. Tsyganova. "DYNAMICS OF CHEMICALS IN RIVER BOTTOM SEDIMENTS ON THE TERRITORIES IMPACTED BY THE OIL INDUSTRY." Siberian Journal of Life Sciences and Agriculture 14, no. 5 (2022): 11–26. http://dx.doi.org/10.12731/2658-6649-2022-14-5-11-26.

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Background. Two thirds of all oil reserves of the Russian Federation are concentrated on the territory of Western Siberia. Field work, production and distribution of petroleum products at the oil and gas field are the main reasons for the negative impact on the ecosystems of the northern territories. Purpose. The purpose of this study is to evaluate the chemical pollution dynamics of the rivers’ bottom sediments in the Middle Ob region, the region of the Samotlor field. Materials and methods. Based on the chemical analysis of the sediment samples, concentrations and total values of

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15

Chao, Lei, Xiaoyun Mo, Jia Meng, and Yafeng Li. "Study on enhanced bioremediation effect of oil-bearing dredging sediment." E3S Web of Conferences 252 (2021): 02031. http://dx.doi.org/10.1051/e3sconf/202125202031.

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To solve the problem of difficult treatment of oil-bearing dredging sediment, the effects of three methods of microbial remediation, phytoremediation and combined bioremediation on the treatment of oily river dredging sediments were compared and studied, and the influence factors of microbial remediation were explored through static bacteria-fling tests. The results showed that the combined remediation method was better than the single biological method in treating bottom mud. The oil content of the treated sediment was 1.21g/kg, and the removal rate was 95.31%; the organic matter of the treat

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16

Babakin, A. D. "MODERNIZATION OF BOTTOM SEDIMENT SCOURING PROCESS IN RVSP 20000 TANKS." Problems of Gathering Treatment and Transportation of Oil and Oil Products, no. 6 (December 21, 2023): 112–22. http://dx.doi.org/10.17122/ntj-oil-2023-6-112-122.

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According to the existing norms a tank should be necessarily taken out of operation once in 8-10 years for diagnostic works. The most labor-intensive part is removal of paraffin deposits from its bottom. In this regard, the main purpose of the study is to study the technology of the process of scouring bottom sediments in steel vertical cylindrical tanks with a pontoon volume of 20000 m3 (RVSP 20000) and modeling the operation of various cleaning devices to determine the most effective of them. The RVSP 20000 tank includes a device for bottom sediment scouring «DIOGEN-700». In the proces

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17

Sigacheva, Lyubov Yu, Olesya N. Vidishcheva, Anton G. Kalmykov Kalmykov, Elena N. Poludetkina, and Grigorii G. Akhmanov. "Organic matter geochemical characteristics of bottom sediments of the northern Barents Sea as an indicator of hydrocarbon migration from deep source." Georesursy 25, no. 4 (2023): 42–57. http://dx.doi.org/10.18599/grs.2023.4.3.

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Group and molecular compositions of organic matter from bottom sediments of the northern sector of the Barents Sea were analysed. The sites where bottom sediments contain organic matter of molecular composition similar to that of oil are identified. Thermally mature hydrocarbon compounds detected in extracts from sediment samples indicates ongoing migration from deeply buried strata and fluid discharge processes on seafloor within the studied areas. Molecular compositions of extracts from bottom sediments were compared with and showed geochemical characteristics similar to some series describe

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18

Amiroh, Amiroh, Yeeri Badrun, and Sri Fitria Retnawaty. "THE RELATIONSHIP OF MACROZOOBENTHOS ABUNDANCE WITH OIL AND METAL CONCENTRATIONS IN SEDIMENTS AROUND COASTAL WATERS INDUSTRIAL AREA OIL CITY OF DUMAI RIAU." Asian Journal of Aquatic Sciences 6, no. 3 (2023): 462–68. http://dx.doi.org/10.31258/ajoas.6.3.462-468.

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Some studies say the pollution level in the waters oil industry in Dumai City, Riau. The level of pollution that occurs will affect the abundance of macrozoobenthos. This research aims to know the concentration of oil and heavy metals in sediments in the waters around the area of the Dumai City oil industry, knowing the effect of oil on the abundance of macrozoobenthos. This research method includes placement of research stations, observation and sampling, TSS sample analysis method, concentration oil in sediment samples, heavy metal concentrations of Pb, Cd, and Cu at sediment samples, macroz

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Literathy, P. "Monitoring and assessment of oil pollution in the Danube River during the transnational Joint Danube Survey." Water Science and Technology 53, no. 10 (2006): 121–29. http://dx.doi.org/10.2166/wst.2006.305.

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An extensive river basin monitoring exercise of 2581 km of the river Danube was carried out in 2001 under of the aegis of the transnational Joint Danube Survey (JDS). Water, suspended and bottom sediment, and biota samples were collected from 76 cross-sections in the Danube main stream and 22 major tributaries during the 39-day cruise, and analysed for chemical and biological variables. During the JDS, oil pollution was characterised with GC-FID and fluorescence measurements. Fluorescence fingerprints of the cyclohexane extracts of water, suspended and bottom sediment samples allowed character

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Garetova, L. A., N. K. Fisher, E. L. Imranova, et al. "Biogeochemical Features of Water, Soil Ground and Bottom Sediments in the Industrial Zone of the City of Khabarovsk." Ecology and Industry of Russia 23, no. 5 (2019): 56–61. http://dx.doi.org/10.18412/1816-0395-2019-5-56-61.

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Complex chemical-analytical and microbiological studies of the state of water, soil grounds and bottom sediment of the industrial zone of city of Khabarovsk were carried out. It was found that petroleum prodacts are the main environmental pollutant of the study area. The impact of runoff from the industrial zone on the quality of water and bottom sediments of the Amur river is manifested in an increase in their content and number of indicator groups of bacteria in the zone of impact of the small river Kurcha-Murcha draining the territory of the industrial zone. The oil content in the Kurcha-Mu

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Michel, Jacqueline, Miles O. Hayes, Richard S. Keenan, John R. Jensen, and Sunil Narumalani. "OIL IN NEARSHORE SUBTIDAL SEDIMENTS OF SAUDI ARABIA FROM THE GULF WAR SPILL." International Oil Spill Conference Proceedings 1993, no. 1 (1993): 383–88. http://dx.doi.org/10.7901/2169-3358-1993-1-383.

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ABSTRACT Detailed sedimentological and dynamic-process studies of the shallow, subtidal habitats of Dawhats ad Dafi and al Mussallamiyah and the bays at Tanaqib on the Saudi Arabian coast were carried out one year after the Gulf War oil spill. These studies were part of Leg II of the NOAA ship Mt. Mitchell cruise. Satellite imagery and space shuttle photography were used extensively to develop detailed study plans. Work accomplished during the study included deployment of three current meters, a tide gauge, and suspended sediment traps (at seven locations). Bathymetric surveys were conducted a

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Wei, Xinxing, Xilin Shi, Yinping Li, et al. "A Review of Enhanced Methods for Oil Recovery from Sediment Void Oil Storage in Underground Salt Caverns." Energies 18, no. 2 (2025): 360. https://doi.org/10.3390/en18020360.

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Salt caverns are recognized as an excellent medium for energy storage. However, due to the unique characteristics of China’s bedded salt formations, which contain numerous salt layers and a high concentration of insoluble impurities, significant accumulation at the bottom of salt caverns occurs, leading to the formation of extensive sediment voids. These sediment voids offer a potential space for underground oil storage, referred to as sediment void oil storage (SVOS). Oil recovery process from these sediment voids is a critical process. This paper summarizes the oil recovery technologies for

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Zeynab Abdullayeva, Zeynab Abdullayeva. "REMOVAL OF HIGH-MOLECULAR COMPOUNDS UNDER ACTION OF BAF-1 REAGENT INCLUDED BY DEPOSITS DURING STORAGE OF TRANSPORTED OIL IN TANKS." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 13, no. 02 (2022): 04–17. http://dx.doi.org/10.36962/pahtei13022022-04.

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Sedimentation occurs during storage and transportation of all produced oil, which leads to a reduction in the effective capacity of tanks, corrosion spills, difficulty in checking the condition of the tank, a large amount of oil loss and, most importantly, changes in the composition of oil. This, in turn, leads to a decrease in the volume of the fraction during oil refining. In order to effectively combat sediment formation, it is necessary to determine its essence, as well as the basic laws of this process. One of the most important problems in the operation of tanks is their cleaning. During

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Ezekwe, Clinton Ifeanyichukwu, and Israel Clinton Utong. "Hydrocarbon Pollution and Potential Ecological Risk of Heavy Metals in the Sediments of the Oturuba Creek, Niger Delta, Nigeria." Journal of Environmental Geography 10, no. 1-2 (2017): 1–10. http://dx.doi.org/10.1515/jengeo-2017-0001.

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Abstract This study aimed at examining the impact of oil pollution from artisanal oil refineries on the Oturuba river ecosystem using active river bottom sediment. Specific objectives included to determine the level of hydrocarbons and trace metals (Pb, Cd, Zn, Cu, Ni, V and Mg) in the sediments and to relate this with general ecosystem health. The study found elevated concentrations of both hydrocarbons and heavy metals in the range above most sediment quality guidelines exceeding the respective Threshold Effects Level and Probable Effects. Level guideline values and occurring at levels where

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Pelekh, M. T., J. D. Sarbaeva, and V. A. Balabanov. "Methods for pumping oil from burning tanks." IOP Conference Series: Earth and Environmental Science 990, no. 1 (2022): 012020. http://dx.doi.org/10.1088/1755-1315/990/1/012020.

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Abstract The main reasons for the occurrence of oil outbursts from burning reservoirs are considered. To prevent the release of oil from a burning reservoir, they must be forced and intensively mixed using bottom sediment systems. Measures for pumping oil from burning reservoirs are proposed.

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Ibigoni Clinton, Howard, and Abiodun Iyabode Khadijat. "Correlation and Partitioning of Some Heavy Metals in Aquatic Media Around a Make Shift Crude Oil Refining Area." International Journal of Environment 8, no. 2 (2019): 1–17. http://dx.doi.org/10.3126/ije.v8i2.25505.

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The major aim of the present study was to evaluate the concentration levels of some heavy metals and their relationships between the bottom sediments, its overlaying (bottom) water and the surface water of the study area in Andoni local Government of Rivers State, Nigeria (Long.7° 20' 48.639''E and Lat.4 29 20.169N) using standard methods of analysis. The mean result showed variation patterns (P<0.05) of the metals in each of the medium as - surface water – Mg>N=Cu=Zn>Pb=Cd>V; bottom water – Mg>Cu>Ni=Zn>Pb=Cd>V and bottom sediments – Mg=Zn>Pb>Cd>Cu=Ni>V, whi

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Michel, Jacqueline. "SPILLS OF NONFLOATING OIL: EVALUATION OF RESPONSE TECHNOLOGIES." International Oil Spill Conference Proceedings 2008, no. 1 (2008): 261–67. http://dx.doi.org/10.7901/2169-3358-2008-1-261.

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ABSTRACT A study was conducted of the current state of technology for non-floating heavy oil response operations for the U.S. Coast Guard Research and Development Center. The study included characterization of heavy oils that did not float and documentation of lessons learned during recent heavy, submerged oil spills, specifically the M/V Athos 1 and TIB DBL-152. A summary is provided of the current state of practice for the following response methods: detection of oil suspended in the water column (stationary sorbent systems, trawled detection systems, and field fluorometry); detection of oil

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Barker, Christopher H. "Subsurface Oil and Waves in The Coastal Zone." International Oil Spill Conference Proceedings 2014, no. 1 (2014): 300025. http://dx.doi.org/10.7901/2169-3358-2014-1-300025.1.

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Over the last decade, there have been more and more oil spill responses effected by subsurface waves in the coastal zone. These have ranged from oil leaking from sunken ships to heavy oils that have sunk to the bottom. A primary example is the DBL 152 incident on the Gulf of Mexico coast in November, 2006. The incident resulted in approximately 70,000 barrels of Slurry Oil (API 4) being released and sinking to the bottom. Waves played a significant role in the mobilization of the oil on the bottom, in addition to effecting sediment loading in the subsurface, often restricting visibility and ma

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Suzdalev, Sergej, and Saulius Gulbinskas. "Total petroleum hydrocarbons in surface sediments of the Lithuanian coastal area of the Baltic Sea." Baltica 27, special (2014): 23–30. http://dx.doi.org/10.5200/baltica.2014.27.12.

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Operation of large oil import/export terminals and intensive shipping activities together with input of hazardous substances from terrestrial runoff and constantly developing cities makes the Lithuanian part of the Baltic Sea especially sensitive to contamination with oil products. The paper presents an overview of total petroleum hydrocarbons (TPH) distribution in surface sediments at the Lithuanian near shore and within the Klaipėda State Seaport area – transitional marine-lagoon system. The study is based on the results of examination of surface sediment samples carried out in 2010–2012. Th

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Górska-Włodarczyk, Wioletta, and Zdzisław Bogdanowicz. "Analysis of sediment from bottom water in tanks with stored diesel oil." Bulletin of the Military University of Technology 70, no. 4 (2021): 127–46. http://dx.doi.org/10.5604/01.3001.0016.0549.

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In this study, the bottom water obtained from short- and long-term storage diesel oil tanks was ex-amined in order to determine the substances that indicate the interaction of water with fuel components. The actual water phases obtained from tanks with standard diesel oil and with improved low-temperature proper-ties, with the current level of biocomponent and fuel additives were used for the research. The sediments formed as a result of water evaporation were subjected to qualitative and quantitative tests, and the obtained results were compared with the composition of commercially available

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Nemirovskaya, I. A., T. A. Kanapatskiy, and A. V. Khramtsova. "FEATURES OF THE DISTRIBUTION AND COMPOSITION OF ORGANIC COMPOUNDS IN WATER AND BOTTOM SEDIMENTS CHERNAVKA RIVER FLOWING INTO ELTON LAKE." Доклады Российской академии наук. Науки о Земле 510, no. 2 (2023): 241–46. http://dx.doi.org/10.31857/s2686739723600091.

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Organic compounds: Corg, lipids, hydrocarbons (HCs) – aliphatic (AHCs) and polycyclic aromatic (PAHs) in suspended particulate matter of surface waters and in bottom sediments of the shallow Chernavka River, which flows into a self-sustaining Elton Lake were studied. High concentrations of organic compounds were found in surface waters: in averaged 692, 80 and 0.79 µg/L for lipids, AHCs, and PAHs respectively. The composition of alkanes in the aqueous suspension corresponded to the weathered oil hydrocarbons. HC transformation occurs here not in the course of sedimentation, but at the water–bo

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Soloveva, Olga, Elena Tikhonova, Sergey Alyomov, et al. "Distribution and Genesis of Aliphatic Hydrocarbons in Bottom Sediments of Coastal Water Areas of the Crimea (the Black and Azov Seas)." Water 16, no. 17 (2024): 2395. http://dx.doi.org/10.3390/w16172395.

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The aim of the article is to assess the level of aliphatic hydrocarbon (AHC) contamination in bottom sediments of the Azov–Black Sea coast of the Crimea, as well as to identify potential sources of its formation. Bottom sediment samples obtained from 19 stations during the research cruise of the R/V “Professor Vodyanitsky” (June 2020) were used as the material for this investigation. Sampling stations were located along the coast of the Crimean Peninsula and the Caucasus coastlines (the Black and Azov Seas). N-hexane extracts of sediments were studied by gas chromatography to determine the AHC

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Garcia-Blanco, Susana, Makram T. Suidan, Tiehong Huang, Jesus Cacho-Rivero, and Albert D. Venosa. "Microcosm Study of Effect of Different Nutrient Addition on Bioremediation of Fuel Oil No. 2 in Soil from Nova Scotia Coastal Marshes." International Oil Spill Conference Proceedings 2001, no. 1 (2001): 309–14. http://dx.doi.org/10.7901/2169-3358-2001-1-309.

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ABSTRACT Biostimulation has been shown to be an effective tool for the treatment of oil spills in medium to low-energy marine environments. Little information is available on the bioremediation of oil spills in low-energy coastal wetlands. Most of the previous laboratory studies have been carried out under total flooding conditions. In this study, a tidal salt marsh was simulated in laboratory microcosms. The study was carried out in glass columns filled to a depth of 10 cm with sediment. Each microcosm was operated on a 24 hours square tidal cycle with a 12-hour submergence period. The entire

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Pan, Yi Xin, Hong Bing Zhang, Rong Hua Xie, and Xing Bin Liu. "Numerical Simulation of Oil- and Water-Sands Multiphase Flow in Gathered Pipes." Advanced Materials Research 557-559 (July 2012): 2294–98. http://dx.doi.org/10.4028/www.scientific.net/amr.557-559.2294.

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In the oil mining process, we need to hold flow characteristic for oil- and water-sands, with low-middle volume fraction of the particles in gathered pipes, in order to design logging tool and build interpretation methods for the producing profile. We built governing equations and boundary conditions for the oil- and water-sands based on the three-D k-ε-kp model. The simulation results indicate the sand volume fraction affects the sedimentation quantity and rate obviously. Multiphase flow in the gathered pipe is compartmentalized three sections: oil-water separation section, transition section

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Nemirovskaya, I. A., and A. Yu Ivanov. "Determination of the Nature of Hydrocarbons in the Barents Sea (Verification of Remote Sensing Data)." Океанология 64, no. 1 (2024): 3–11. http://dx.doi.org/10.31857/s0030157424010017.

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Based on remote sensing data on the distribution of oil spills obtained using synthetic aperture radar (SAR) imagery of the Sentinel-1A and Sentinel-1B satellites in 2016–2022 and the results of the analysis of aliphatic hydrocarbons (AHCs) and polycyclic aromatic hydrocarbons (PAHs) in bottom sediments taken in 2019–2022, the nature of oil slicks in various areas of the Barents Sea has been established. It is shown that the distribution of oil slicks in coastal areas is greatly influenced by anthropogenic hydrocarbon inflow (mainly from shipping and fishing), which is confirmed by elevated AH

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Taiwo, Elijah A., and John A. Otolorin. "Solvent Blend Performance in Hydrocarbon Recovery from Nigerian Tank Bottom Sludge." International Journal of Engineering and Technologies 9 (December 2016): 20–28. http://dx.doi.org/10.18052/www.scipress.com/ijet.9.20.

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Oil sludge waste associated with crude oil production generally consists of oil, sands and untreatable emulsions segregated from the production stream, and sediment accumulated on the bottom of crude oil and water storage tanks. The use of single solvent and combination (solvent blend) was evaluated for extraction of hydrocarbon content (oil) of the Tank Bottom Sludge (TBS) associated with the crude oil production with a view to optimizing hydrocarbon recovery from the sludge. TBS samples were contacted with selected solvents blends of varying volumetric ratios, each at a time. The blend gener

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Taiwo, Elijah A., and John A. Otolorin. "Solvent Blend Performance in Hydrocarbon Recovery from Nigerian Tank Bottom Sludge." International Journal of Engineering and Technologies 9 (December 23, 2016): 20–28. http://dx.doi.org/10.56431/p-t11a2m.

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Oil sludge waste associated with crude oil production generally consists of oil, sands and untreatable emulsions segregated from the production stream, and sediment accumulated on the bottom of crude oil and water storage tanks. The use of single solvent and combination (solvent blend) was evaluated for extraction of hydrocarbon content (oil) of the Tank Bottom Sludge (TBS) associated with the crude oil production with a view to optimizing hydrocarbon recovery from the sludge. TBS samples were contacted with selected solvents blends of varying volumetric ratios, each at a time. The blend gener

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Fazlyev, Mars N., Аlexey Y. Demyanov, Мars Y. Timirgaliyev, Тimur I. Bezymyannikov, Еugeny М. Muphtakhov та Emil E. Nurislamov. "Разработка инновационной энергосберегающей технологии очистки резервуаров путем диспергирования отложений". SCIENCE & TECHNOLOGIES OIL AND OIL PRODUCTS PIPELINE TRANSPORTATION, № 5 (9 грудня 2021): 484–91. http://dx.doi.org/10.28999/2541-9595-2021-11-5-484-491.

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An obvious global trend in recent years is the increase in the proportion of viscous and heavy oils featured by high density and content of asphalt-resin-paraffin deposits. Due to the deterioration of the rheological properties of oil, the processes of its extraction, preparation in the fields, further transportation and subsequent processing have been made more difficult. The object of the study is the cleaning of oil and petroleum products storage tanks from the accumulated bottom sediments. The existing methods of tanks cleaning have been analyzed, the most promising methods and technical m

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Delaune, R. D., A. Jugsujinda, I. Devai, and A. X. Hou. "Denitrification in bottom sediment near oil production facilities off the Louisiana Gulf Coast." Chemistry and Ecology 21, no. 2 (2005): 101–8. http://dx.doi.org/10.1080/02757540500071812.

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Johnson, Ronald, Justin Birdwell, and Tracey Mercier. "Controls on organic matter distributions in Eocene Lake Uinta, Utah and Colorado." Mountain Geologist 55, no. 4 (2018): 177–216. http://dx.doi.org/10.31582/rmag.mg.55.4.177.

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The Green River Formation deposited in Eocene Lake Uinta in the Uinta and Piceance Basins, Utah and Colorado, contains the largest oil shale resource in the world with an estimated 1.53 trillion barrels of oil in place in the Piceance Basin and 1.32 trillion barrels in the Uinta Basin. The Douglas Creek arch, a slowly subsiding hinge-line between the two basins, created separate deep depocenters, one in each basin with shallow water conditions near the crest of the arch. Lake Uinta was a saline lake throughout its history with a lower saline to hypersaline layer (monimolimnion) and an upper le

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B Aminu, Muslim, and Samuel B Ojo. "Seafloor morphology and potential gas hydrate distribution in the offshore Niger Delta." International Journal of Advanced Geosciences 12, no. 1 (2024): 17–26. http://dx.doi.org/10.14419/wwajt225.

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Bottom simulating reflectors (BSRs) and seismic pipe features have been used as proxies for defining the distribution of gas hydrate sediments in the offshore Niger Delta. This is the most extensive mapping of gas hydrate sediments in the Delta as of today. The seismic data merge comes from multiple surveys acquired with different parameters and seismic resolutions over the course of decades of oil and gas exploration in the region. Indicated gas hydrate distribution generally follows the structural fabric of the Niger Delta with BSRs occurring along the apexes of the thrust-related ridges tha

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El-Saadani, Zozo, Wang Mingqi, Zhang He, Shindume Lomboleni Hamukwaya, Mahmoud S. M. Abdel Wahed, and Atef Abu Khatita. "Environmental Geochemistry and Fractionation of Cadmium Metal in Surficial Bottom Sediments and Water of the Nile River, Egypt." Toxics 10, no. 5 (2022): 221. http://dx.doi.org/10.3390/toxics10050221.

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Heavy metals such as cadmium (Cd) pollute the environment. Heavy metal pollution endangers the Nile River since it serves as an irrigation and freshwater source for the cities and farms that line its banks. Water and sediment samples from the Nile River were tested for Cd content. In addition, a sequential experiment analytical method was performed to determine the metal’s relative mobility. According to the data, there is an average of 0.16 mg kg−1 of Cd in sediments. The BeniSuef water treatment plant and brick factory, the iron and steel factory of Helwan, the oil and detergent factory of S

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BALGYNOVA, A. M., Zh S. SARKULOVA, R. Zh ORAZBEKOVA, G. A. ISSENGALIYEVA, M. Zh ZHANAYEVA, and B. B. SERIKBA. "INCREASE OF BOTTOM HOLE ZONE PERMEABILITY USING CHEMICAL REAGENTS." Neft i Gaz 144, no. 6 (2024): 82–90. https://doi.org/10.37878/2708-0080/2024-6.22.

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The article examines the use of acid compositions to enhance permeability and improve oil recovery from reservoirs. Injecting acids (such as hydrochloric or sulfuric acid) into productive reservoirs results in their interaction with the rock, leading to mineral dissolution, the formation of soluble salts, and the release of carbon dioxide and heat. Particular attention is given to lowpermeability terrigenous reservoirs, where the use of fluoride-containing acid compositions helps improve the hydraulic conductivity of pore spaces. For effective application of acid technologies, comprehensive we

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Manh Hung, Nguyen, Hoang Đinh Tien, and Nguyen Viet Ky. "Predict original oil&gas and migration path in Cuu Long basin by Pr/nC17 and Ph/nC18." Science and Technology Development Journal 20, K8 (2019): 50–60. http://dx.doi.org/10.32508/stdj.v20ik8.1670.

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Pr/nC17 and Ph/nC18 are normally available in geochemical analysis report. The data used to define sediment deposition environment and maturity. In this study, the comparison between Pr/nC17 and Ph/nC18 data from extracted mature rock and in crude oil regading to stratigraphy to reveal their relationship with oil&gas migration parth. The study results showed that Pr/nC17 and Ph/nC18 from extracted and crude oil reflect original oil and migration parth. Crude oil producing in Miocene & upper Oligocene and Lower Oligocene& Basement are mainly from Lower Oligocene+ Eocene? (E+F) sourc

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Saveleva, N. N. "Improvement of the design of a vertical steel tank for oil and petroleum products." E3S Web of Conferences 549 (2024): 07007. http://dx.doi.org/10.1051/e3sconf/202454907007.

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The age of vertical steel tanks (oil tank) in oil companies 20 – 30 years. Periodic inspections shall be carried out to prevent tank failure. Periodic levelling is carried out to prevent a reservoir from falling due to precipitation. The technical solution consists in eliminating the uneven precipitation. The bottom of the reservoir is levelled by lifting said reservoir with jacks which can be mounted directly in special niches. The main advantages of the new design are low equipment costs, reliability of the used tank design and long-term operation without foundation sludge. This construction

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Khamatova, Аlina V. "Assessment of the quality of waters and bottom sediments of the Kamenka river by biotesting." Anthropogenic Transformation of Nature 9, no. 1 (2023): 54–64. http://dx.doi.org/10.17072/2410-8553-2023-1-54-64.

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The Kamenka River, which flows through the territory of the Kokuisky oil field in Perm Krai as a result of intensive oil production and the intensive karstspread, has undergone serious man-made changes, which are manifested in the increased content of chlorides and petroleum products in the water. We assessed the ecological state of the ecosys-tem of the Kamenka river by biotesting, using Daphnia magnaStraus and Chlorella vulgarisBeijer as test objects. 8water samples and 11 sediment samples were examined.Most of the studied sampling points located at the source of the river are distinguished

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Emelyanov, E. M., and T. G. Konovalova. "Some results of bottom sediment monitoring in oil production area in the southeastern Baltic Sea." Water Resources 40, no. 7 (2013): 733–45. http://dx.doi.org/10.1134/s009780781307004x.

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Subrahmanyam, C., S. I. Reddi, N. K. Thakur, T. Gangadhara Rao, and Kalachand Sain. "Gas-Hydrates - A Synoptic View." Journal Geological Society of India 52, no. 5 (1998): 497–512. http://dx.doi.org/10.17491/jgsi/1998/520501.

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Abstract Large-scale occurrence of gas-hydrates in the marine sediments of outer continental margins is by now well-known. While the methods of tracing gas-hydrate enriched zones, like identifying markers such as bottom simulating reflectors and blanking zones on seismic reflection sections, are well-established, quantification and resource assessment of gas hydrates still remain hazy. Investigations over the classical gas-hydrate enriched Blake outer ridge on the U.S. Atlantic margin have provided new insights into the environs of gas-hydrate occurrences. Deep sea drilling results in this are

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Michel, Jacqueline, Debra Scholz, Charles B. Henry, and Bradford L. Benggio. "GROUP V FUEL OILS: SOURCE, BEHAVIOR, AND RESPONSE ISSUES." International Oil Spill Conference Proceedings 1995, no. 1 (1995): 559–64. http://dx.doi.org/10.7901/2169-3358-1995-1-559.

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ABSTRACT Electric utilities have been increasing their use of Group V fuel oils (known in the industry as low-API gravity fuel oils or LAPIO), because of their relatively low cost and high btu values. Group V fuel oils are defined as having an API gravity less than 10 at 60° F (thus a specific gravity ≤1.00 g/cm3). These oils have a wide range of densities and properties and thus cannot be characterized as a single product with a given set of properties and behavior. Group V fuel oils can float, be neutrally buoyant, sink, or all three, depending on their composition and the physical nature of

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Bojke, Aleksandra, Katarzyna Galer-Tatarowicz, Agnieszka Flasińska, et al. "The Application of a Mobile Unmanned Device for Monitoring Water and Sediment Pollution in the Port of Gdynia." Water 16, no. 2 (2024): 252. http://dx.doi.org/10.3390/w16020252.

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Pollution in the Port of Gdynia can encompass various types of substances and contaminants that affect the quality of water and sediment in this region. Ships entering and leaving the port can release pollutants such as oil, fuel, waste, and chemicals into the water. Controlling and monitoring these pollutants is a crucial part of environmental stewardship. In recent years, uncrewed units have been increasingly in use for in situ water and sediment sampling. Boat-based water sampling crews face significant safety risks at sea. Eliminating the need for a boat-based sampling crew, uncrewed units

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