ABOUT PRESSURE RECOVERY CURVE AT UNSTABLE MOVEMENT OF LIQUIDS IN CHANNELS WITH MICRONOUS OPENINGS

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Published: Wednesday, 24 June 2020 18:28
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M.A. MAMMADOVA1,  A.A.HAJIYEV2 

1Azerbaijan State University of Oil and Industry, 2Scientific Research Project Institute “Neftegaz”, SOCAR 

Abstract: Firstly it has experimentally been revealed that the reason of the anomalous properties manifestation of the viscous fluids, particularly water and these properties strengthening for anomalous fluids in the cracks is new micro-cracked effect of “microcrack-fluid”. For realization of the fractured fields development process it is recommended taking into consideration the detected micro-cracked effect in “microcrack-fluid” system.

Keywords: crack opening, abnormal water, pressure gradient, pressure recovery time, microcrack-LIQUID effect. 

TECHNOLOGY FOR PRODUCING GRINDING BALLS WITH HIGH MECHANICAL PROPERTIES

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Published: Wednesday, 24 June 2020 18:20
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F.M.Hamidov 

Azerbaijan International Mining Company 

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Annotation. Azerbaijan International Mining Company is one of the leading non-oil enterprises. The cost of production at the enterprise depends on a number of factors, including the number of grinding balls used.  In this regard, the goal is to develop a composition and technology for producing grinding balls with high physical and mechanical parameters and low cost.

Keywords. Mining, ore, grinding, hardness impact strength.

PAKER'S WELL REMOVAL METHOD

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Published: Wednesday, 24 June 2020 18:13
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J.N.Aslanov1, F.F Mustafayev2 

Azerbaijan State University of Oil and Industry1 Ministry of Education of the Azerbaijan Republic2 

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Summary. The article examines the removal of packer equipment from the well used in the oil and gas industry, in the separate operation of layers in oil, gas and water injection wells, insulation work, and the error-free method of packer removal from the well by lifting the most common pump-compressor pipes. sequence developed.

Key words. Packer, method, extraction, sealant, cuff. 

CURRENT STATE OF TRUNK CORROSION PROTECTION GAS PIPELINES OF AZERBAIJAN

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Published: Wednesday, 24 June 2020 17:59
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K.B. Iravanli 

Azerbaijan State University Oil and Ġndustry 

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Annotation. Equipment and construction in the oil and gas sector are characterized by large dimensions and metal consumption. Among the main causes of hardware failures used in this industry sector are corrosion. This paper discusses the current state of corrosion protection of gas pipelines in Azerbaijan and ways to resolve problems in this direction.   

Keywords. Gas mains, corrosion, active and passive protection, polymer coating.

THE CALCULATİON OF COMPRESSİON DEFORMATİON OF FIXING ELEMENT WHICH PROVIDES SELF PACKİNG EFFECT

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Published: Wednesday, 24 June 2020 18:05
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L.S.Hajiyeva,  U.E.Nasirli

Azerbaijan State University of Oil and Industry 

Annotation.Packers enable sections of the wellbore to be sealed off and separately fractured by hydraulic pressure, one at a time, while the remainder of the wellbore is not affected. However, reliable sealing properties of the packer rubber are required to meet the high-pressure and high-temperature (HPHT) conditions of reservoirs. In this artical, self packing effect by hydrostatic pressure will be define. At the same time grap of relation between packing effect and hydrostatic pressure will be given. 

Key words: Packer, Packing effect, Tube, Friction, Deformation.

ASSESSMENT OF HYDRODYNAMIC DEFORMATION IN A NEW HEAT EXCHANGER DESIGN

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Published: Wednesday, 24 June 2020 17:42
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R.S. Nadzhafkulieva

Azerbaijan State University of Oil and Industry 

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Annotation. In the oil and gas extraction and processing industries, as well as in the petrochemical industry, numerous heat exchangers are used, among which shell-and-tube are the most common. The disadvantage of these refrigeration units is the low efficiency of heat transfer on the outer surface of the pipes and the time interval for optimal intensification of heat transfer, as well as a decrease in operability in the conditions of oil and gas production, collection, preparation and transportation of products. The developed new design of the heat exchanger is distinguished by both a simple design and the intensity of cooling of compressed hot gas through the use of natural cold sea water. The paper presents the results of a study on the assessment of hydrodynamic deformation in a new heat exchanger design. Key words: heat exchanger, working medium, sea water, compressed gas, temperature, hydraulic deformation.

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