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Seratirova V. V
Experience in assessing the ecological status of territories objects the elimination of the gas producing company

Ukhta State Technical University, Ukhta A typical section of the tundra zone of the Far North is considered as an object of study. Such areas are amenable to slow and difficult recovery after man-made development. Therefore, an urgent task can be considered to assess the state of the environment in the zone of significant influence […]

Kazakov A. I., Lyapin A. Yu., Nekuchaev V. O.
Investigation of the asphalt and wax depositsformation kinetics in high-paraffin oil transport on pipelines “Usa – Ukhta” and “Ukhta – Yaroslavl” by the methods of “cold finger” and optical microscopy

In this paper experimental studies of asphalt and wax deposits formation, the temperature of wax crystallization starting and the temperature of mass crystallization in oils transported on pipelines “Usa – Ukhta” and “Ukhta – Yaroslavl” were made using two methods: the method of “cold finger” and optical microscopy in polarized
light. Experiments were carried out with crude oil and oil with the addition of chemical reagents. Of the three studied inhibitors the most effective inhibitor is Proshinor. The method of optical microscopy showed that Proshinor inhibitor reduces the ability of wax crystals to aggregate and form clusters. The values of the temperature of the starting of wax crystallization measured in this work by the cold finger method are usually
4–5 degrees higher than the values measured by optical microscopy

Dudnikov V. Yu., Osadchaya G. G., Dudnikova S. A.
Directions of use of composite materials based on cryogel in the construction and operation of pipeline transportation facilities

The experience and prospects for using the soil cryostructuring technique are
described. It is noted that it is necessary to adapt the experience of using cryogels for
such an important component of the production infrastructure such as pipeline
transport of hydrocarbons.

Zakirova G. S.
The study of phase states of multicomponent hydrocarbon mixtures with using the REFPROP software complex

The author substantiates the possibility of using the REFPROP software package for automating the selection of the composition of a multicomponent hydrocarbon
mixture – a mixture of gas and gas condensate – for further use at a selected temperature and pressure range. The procedure for using the complex is considered in detail
using the example of calculating the thermophysical properties and phase equilibria
of a multicomponent mixture of hydrocarbons.

Dmitriev R. A., Levitin R. E.
Uncertainties of the hydrocarbon vaporization calculation main methods

Modern methods do not allow to determine the actual evaporation amount with
high accuracy. This article describes the basic techniques errors. In each of them the
coefficients leading to significant errors in the final calculation are given. These methods do not take into account the current operating conditions of tank farms and their
equipment. Steps are also proposed to minimize inaccuracies in the calculation of the
gross emissions amount

Volkova I. I., Shilovskii I. A., Volkov А. А.
To the question of the assessment of the resource of the condensate line

Summary: The paper compares the methods of estimating the pipeline resource
by linear probabilistic methods. 38 sections of plumes and bends were analyzed. The
analysis of the law of distribution of parameters of corrosion damages is carried out.

Salnikov A. V.
History and prospects for the development of methods for the elimination of accidental oil spills in ice seas

The development of the hydrocarbon resources of the Arctic shelf is limited by
the extreme environmental conditions and the harsh requirements for the reliability
and safety of work. Therefore, the problem of oil spill response (OSR) in the conditions
of ice seas is an urgent task today.
The article discusses the methods and means of oil spill response, used in ice
seas, their effectiveness and factors hindering their development. The analysis of the
history of the application of these methods and tools, the current status and prospects
of their scientific and technological development is presented

Berdnik A. G., Grunskoy T. V.
Analysis of occupational morbidity cases in the extractive industry of the Komi Republic

The article analyzes the occupational morbidity in the extractive industry of the
Komi Republic, defines the structure of occupational diseases and the main causes of
development. Based on the made analytical review, the distribution of harmful factors
causing occupational diseases among workers of the coal and oil mining industry in
Kazakhstan has been carried out.

Avtamonov S. G., Bykov I. Yu., Denisov M. A.
Recommendations for the design of the installation for the disposal of waste rubber products using the combined method of thermal destruction

The article deals with issues of disposal of waste rubber products by thermal
decomposition methods, as well as dismantled the design of installations for their implementation with obtaining liquid products. Based on the analysis of the existing
structures of thermal decomposition processes, the authors propose recommendations
for designing the structure of an installation for the disposal of used rubber products
using the combined thermal degradation method

Krapivsky E. I., Volkova A. V.
Тhe berth-storage for compressed gas

The article analyzes the occupational morbidity in the extractive industry of the
Komi Republic, defines the structure of occupational diseases and the main causes of
development. Based on the made analytical review, the distribution of harmful factors
causing occupational diseases among workers of the coal and oil mining industry in
Kazakhstan has been carried out.

Islamov R. R., Aginey R. V., Godunov A. A.
Experimental studies of the influence of features of the design of fiberoptic sensors on the measurement results of the stress-strain state of pipelines

Transneft-Sever, Ukhta; Giprogaztsentr, Nizhniy Novgorod; Gazprom transgaz Nizhniy Novgorod, Nizhniy Novgorod The construction of pipelines in difficult engineering-geological and climatic conditions of the area leads to the need to organize monitoring systems to assess their actual technical condition. Technologies based on the use of modern long-term monitoring systems for the stress-strain state of fiber-optic sensors […]

Osadchaya G. G.
Bolshezemelskaya tundra geographical features of the variability of the permafrost characteristics

Ukhta State Technical University, Ukhta Analysis of the information on the Bolshezemelskaya tundra cryolithozone made it possible to identify the features of the geographical variability of the permafrost parameters of the territory. Zonal are areas of permafrost and its thickness. To a lesser extent, the natural and geocryological zonality is reflected in such an indicator […]

Kamenskikh S. V., Ulyasheva N. M.
Investigation of the asphalt and wax depositsformation kinetics in high-paraffin oil transport on pipelines “Usa – Ukhta” and “Ukhta – Yaroslavl” by the methods of “cold finger” and optical microscopy

Ukhta State Technical University, Ukhta Drilling wells in the high-permeability rocks containing hydrogen sulfide promotes emergence of the accompanying complications and accidents which increase terms and cost of construction of wells. The analysis of researches of domestic and foreign researchers shows that when drilling in such conditions emergence of absorption and differential holding straps is […]

Salnikov A. V., Novoselov M. D.
Improving the computational methodology for forecasting the technical condition of trunk gas pipelines according to the in-line diagnostic examination

Ukhta State Technical University, Ukhta Reliable and trouble-free operation of gas pipelines is impossible without a system for predicting their technical condition. The main regulatory document defining the procedure for constructing forecast models for changing the state of gas pipeline sections (STO Gazprom 2-2.3-292-2009) was published 10 years ago and has not been updated in […]

Zhangabylov R. A.
The first results of the use of the mine method of developing oil fields on Yarega: drilling underground wells

Ukhta State Technical University, Ukhta In the series of articles, the first results of the industrial application of the mine method of oil production in the conditions of the Yarega field in the period 1939-1944 are reviewed. Based on the analysis of literary sources, archival materials, the basic prerequisites for the use of the mining […]

Isupova E. V.
Analysis of methods for measuring the strength of stray current flowing through underground gas and oil pipelines

Ukhta State Technical University, Ukhta The article presents the problem of assessing the strength of stray current flowing through the underground pipelines, including non-classical sources, in terms of the corrosion risk in the presence of damage to the insulation coating. There has been developed a classification of stray currents by type and frequency, which allows […]

Medvedev P. P., Bikov I. Y.
Dynamics of changes in the geometry of tubing threads (tubing), depending on the steel grade during screwing and unscrewing

Ukhta State Technical University, Ukhta In the city of Samara, at the stand of SINKT-450, M. P. Polikarpov conducted research to determine changes in the geometry of threaded tubing joints, which were later published by him. During the tests, the nipple and coupling samples were screwed and unscrewed, under conditions close to real. The paper […]

Chernyatin A. S., Razumovsky I. A., Zorin A. E., Zorin N. E.
Evaluation of the crack resistance of a pipeline with an internal crack by the deformation response on the outer surface

The aim of the presented work is to show the possibility of estimating the crack resistance of a pipeline with a surface crack located on the inner side of the wall using the recorded deformation response on the outer surface during loading / unloading of the pipeline. The solution of this problem is carried out in two stages: at the first stage, the localization and geometrical parameters of the defect are determined on the basis of mathematical processing of displacements fields of points on the pipeline surface in the defected area recorded by optical methods. At the second stage, the singular and nonsingular terms of stress expansion in the vicinity of the crack front are calculated to apply the crack resistance criteria of the so-called two-parameter fracture mechanics.

Nikulin S. A., Karnavsky E. L., Aginey R. V.
Research of efficiency of security electrochemical protection from corrosion for pipelines prepared for reconstruction with method “pipe in pipe”

The questions of recovering protective potential on underwater transitions of pipelines, in the presence of damages of insulating covering are considered. The way of ensuring security by means of laying of extended anode grounding in a conducting cover is considered. Use of a conducting cover with various specific electric resistance is offered. By results of mathematical modeling it is proved that application of a conducting pipe with various specific electric resistance allows to achieve more rational distribution of potentials with reduction of current of station of cathodic protection.

Kamenskikh S. V., Ulyasheva N. M.
Evaluation of the effect of buffer liquids on the intensity of destruction of filter cakes in casing

The article deals with the problem of removal from the wall of the wellbore formed by drilling mud filter cake, which, on the one hand, greatly reduces further penetration of the flushing liquid into the reservoir, and on the other prevents a reliable separation of the seams while cementing casing. In the work conducted and presents the results of laboratory tests for the assessment of washing ability of different buffer liquids, including solutions of inorganic salts (electrolytes) with the addition of the stabilizer is CMC as using additional reagents (NTF and Atren SA), and without them. Based on the conducted experiments and investigated the dependence of the cleaning ability of buffer liquids of the type and concentration of drilling fluids, inorganic salts and additional reagents, etc.