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2019/3
Study of deposition of droplets of liquid injected into pipeline by gas-liquid nozzles
Geosciences

Authors: Sergei A. KULIKOV graduated from Gubkin Russian State University of Oil and Gas in 2007. He is specialist in the field of gas control technology in the company “RMG RUS”. Research interests: liquid spraying by centrifugal and gas-liquid nozzles. He is author of 3 scientific publications. E-mail: kulikov.sergey.a@gmail.com
Irina S. KULIKOVA graduated from Gubkin Russian State University of Oil and Gas in 2009. She is Candidate of Technical Sciences. She is Assistant of the Department of Machines and Equipment for Oil and Gas Industry at Gubkin Russian State University (National Research University) of Oil and Gas. Her scientific interests are liquid and gas spraying, technology and equipment for localization and response of oil spills. She is author of 20 scientific publications. E-mail: IrinaSKulikova@gmail.com
Alexander I. KHODYREV graduated from Gubkin Moscow Institute of Petrochemical and Gas Industry in 1980. He is Doctor of Technical Sciences, Professor of the Department of Machines and Equipment for Oil and Gas Industry at Gubkin Russian State University (National Research University) of Oil and Gas. He is specialist in the field of equipment for liquid injection in the implementation of various technologies. He is author of 100 scientific publications. E-mail: aihod@mail.ru

Abstract: The article deals with the problem of spraying liquid inside a pipeline using gas-liquid nozzles. When operating a gas-liquid nozzle installed in the pipeline, the formed droplets may deposit on the pipe wall at a distance of several meters from the nozzle, this can make the spraying process ineffective. The article presents the results of experimental studies performed on the stand, which allows evaluating the deposition rate of sprayed liquid on the walls of the pipelines with a diameter of 150, 300 and 500 mm and up to 10 meters long with one or two gas-liquid nozzles. It is shown that the deposition of the sprayed liquid occurs very intensively within the first ten meters from the point of installation of the nozzle: in most cases, more than half of the sprayed liquid is deposited. Tests have shown that the intensity of droplet deposition decreases with increasing pipe diameter and with increasing atomization fineness achieved by increasing the pressure drop of the sprayed gas and increasing the ratio of mass flow rates of gas and liquid. The use of a circuit with two identical nozzles, directed perpendicularly to the flow and towards each other, allows reducing the deposition rate of the sprayed liquid compared to one nozzle placed on the axis of the pipeline, with a pipe diameter of 300 and 500 mm

Index UDK: 66.069.83

Keywords: gas pipeline, fluid atomization, gas-liquid nozzle, droplets, deposition

Bibliography:
1. Kulagin L.V., Okhotnikov S.S. Szhiganiye tyazhelykh zhidkikh topliv [The combustion of heavy liquid fuels]. Moscow, Nedra, 1967, 280 p. (in Russian).
2. Khodyrev A.I., Kulikov S.A. The atomization process and equipment for its implementation in oil and gas production. Territorija NEFTEGAZ, 2011, no. 3, p. 42-45 (in Russian).
3. Pazhi D.G., Galustov B.C. Atomization equipment bases. Moscow, Himija, 1979, 216 p. (in Russian).
4. Khodyrev A.I. Oborudovanie dlya ingibitornoi zashyty ot korrozii gazoprovodov i apparatov neftegazokondensatnyh mestorozhdeniy. Doct. Diss. [Equipment for inhibitor corrosion protection of gas pipelines and apparats of oil and gas field. Doct. Diss.], Moscow, 2006, 385 p. (in Russian).
5. Khodyrev A.I., Zaytsev Yu.V., Mulenko V.V. Ustroystvo dlya vvoda dispergirovannogo ingibitora korrozii v gazoprovod [Device for spraying of corrosion inhibitor into gas pipeline]. Patent USSR, no. 1683819, opubl. 15.10.89, bul. no. 38 (in Russian).
6. Khodyrev A.I., Mulenko V.V. The inertial deposition of liquid droplets injected by swirl injector into pipeline. Territorija NEFTEGAZ, 2018, no. 3, p. 72-78 (in Russian).
7. Efimov Y.N. The results of the implementation of the process of two-stage gas drying. Khimicheskoye i neftegazovoye mashinostroyeniye [Chemical and petroleum engineering], 2000, no. 11, p. 23-26 (in Russian).

2013/1
Pneumatic Barrier as Universal Method of Oil Spill in the Waters of Russian Oil Fileds
Industrial and environmental safety, occupational safety and health

Authors: Irina S. KULIKOVA was awarded the degree of Master of Engineering and Technology at Gubkin Russian State University of Oil and Gas in 2009. She is Associate Professor of the Department of Machines and Equipment for Oil and Gas Industry, co-author of 15 publications in the field of oil spill response and field equipment, including 3 articles, 2 books, 10 abstracts of scientific and technical conferences. E-mail: irinaskulikova@gmail.com

Abstract: The applicability of a pneumatic barrier for containment of oil spills in the waters of the oil fields of Russia were studied for the first time in the national practice. A pneumatic barrier is a unique technology, the application of which in Russia can significantly reduce the damage to the environment by reducing the time oil spill. The advantages of this method were evaluated by comparing the situation models of oil spill localization by a pneumatic barrier with the booms conventional in Russia. The original schemes of localizing spills by combined methods of pneumatic barrier and sorbents, as well as pneumatic barrier and controlled burning were considered.

Index UDK: 627.372

Keywords: oil spill localization, boom, pneumatic barrier, sorbents, controlled burning

Bibliography:
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7. Narita S., Kanada S., Shimoda H. A new oil-recovery method for broken ice conditions. Proceedings of the Twenty-fourth Arctic and Marine Oilspill Program (AMOP) Technical Seminar. Edmonton, Alberta, Canada. June 12–14, 2001.
8. Metodicheskie rekomendacii po razrabotke tipovogo plana po preduprezhdeniju i likvidacii razlivov nefti i nefteproduktov dlja neftegazovyh kompanij: utv. Federal'nym agentstvom po jenergetike (Rosjenergo). – M., 2006. – 70 s.