scholarly journals Peculiarities of Dewatering Technology for Heavy High-Viscosity Crude Oils of Eastern Region of Ukraine

2021 ◽  
Vol 15 (3) ◽  
pp. 423-431
Author(s):  
Petro Topilnytskyy ◽  
◽  
Tetiana Yarmola ◽  
Viktoria Romanchuk ◽  
Justyna Kucinska-Lipka ◽  
...  
Keyword(s):  
Block Copolymers ◽  
High Viscosity ◽  
Gas Condensate ◽  
Crude Oils ◽  
Eastern Region ◽  
Heavy Gas

High-viscosity crude oils from the Yablunivske field (Ukraine, Poltava region) have been studied. The oils were diluted with gas condensate to reduce viscosity, and then various demulsifiers were added. It was established that it is expedient to dilute oil with heavy gas condensate and dehydrate it with PM-1441 brand A non-ionogenic demulsifier, based on block copolymers of ethylene and propylene oxides. The dewatering degree was found to be 95 %.

Asphaltene Stability Analysis for Crude Oils and Their Relationship With Asphaltene Precipitation Models for a Gas Condensate Field

2019 ◽  
Author(s):  
Muhammad Arsalan Siddiqui ◽  
Syed Mohammad Tariq ◽  
Javed Haneef ◽  
Syed Imran Ali ◽  
Abdul Ahad Manzoor
Keyword(s):  
Stability Analysis ◽  
Gas Condensate ◽  
Crude Oils ◽  
Asphaltene Precipitation

Production From Heavy Gas Condensate Reservoirs

1990 ◽  
Author(s):  
B. Cvetkovic ◽  
M.J. Economides ◽  
B. Omrcen ◽  
B. Longaric
Keyword(s):  
Gas Condensate ◽  
Gas Condensate Reservoirs ◽  
Heavy Gas

scholarly journals Ultrasonic and Heat Treatment of Crude Oils

Energies ◽  
2019 ◽  
Vol 12 (16) ◽  
pp. 3084 ◽  
Author(s):  
Aidar Kadyirov ◽  
Julia Karaeva
Keyword(s):  
Heat Treatment ◽  
Crude Oil ◽  
Rheological Properties ◽  
Experimental Method ◽  
Ultrasonic Treatment ◽  
Experimental Studies ◽  
High Viscosity ◽  
Crude Oils ◽  
Rheological Characteristics ◽  
Thermal Heating

One of the methods of influence on rheological properties of heavy high-viscosity crude oils is ultrasonic treatment. Ultrasonic treatment allows reducing the viscosity of crude oil and, therefore, reducing the costs of its production and transportation. In this paper, the influence of ultrasonic treatment on the rheological characteristics of crude oil (sample No. 1 API = 29.1, sample No. 2 API = 15.9) was investigated. An experimental method was developed. Experimental studies were carried out using the Physica MCR 102 rheometer. The influence of the intensity and duration of ultrasonic treatment on the viscosity of the initial crude oils was studied for 24 h. In addition, the rheological characteristics of the treated oil were investigated after its natural cooling to 293 K. The results are compared with similar results for thermal heating.

A 700 Hz Valve for Dispensing High Viscosity Molten Polymers Using a Piezo-Electrically Driven Star Frame Mechanical Amplifier

2000 ◽  
Author(s):  
Bill Hassler
Keyword(s):  
Block Copolymers ◽  
High Viscosity ◽  
Coating Materials ◽  
Different Types ◽  
Molten Polymers ◽  
Ball Diameter ◽  
Piezo Electric

Abstract A valve was designed, built, and tested using a Star Frame mechanical amplifier driven by multilayered piezo-electric actuators. This valve was designed to dispense many different types of molten polymers, adhesives, and highly rilled coating materials. The valve was a simple ball and seat design with a stroke of 0.38 mm, a ball diameter of 2.4 mm, and a seating diameter of 1.5 mm. The valve was successfully tested with molten block copolymers with viscosities as high as 45,000 centipoise, at temperatures of up to 190 deg. C and at frequencies of up to 700 Hz continuous duty. The valve was also successfully tested at 1 kHz for short durations.

scholarly journals About the effectiveness of hydrocarbon diluents for pipeline transportation of high viscosity heavy and waxy oil

2021 ◽  
pp. 148-155
Author(s):  
P. A. Revel-Muroz ◽  
◽  
R. N. Bakhtizin ◽  
R. M. Karimov ◽  
B. N. Mastobaev ◽  
...  
Keyword(s):  
High Viscosity ◽  
Point Of View ◽  
Gas Condensate ◽  
Chemical Effect ◽  
Chemical Reagents ◽  
Waxy Oil ◽  
Northern Latitudes ◽  
Physico Chemical ◽  
Motor Fuels ◽  
Stable Gas Condensate

Deposits of tight high viscosity heavy and waxy oil are becoming increasingly important in the world economy. They are also of particular importance in Russia, where the fields of easy accessible oil are practically depleted, and the newly discovered ones are located mainly in the northern latitudes of the country, which complicates their delivery to places of consumption, and use of so-called "special methods" (heating, chemical reagents) leadsytanb to an increase Cost. Despite the abundance of such methods, one can distinguish one of the most accessible and understandable from the point of view of the physico-chemical effect - dilution with hydrocarbon diluents, as can be effectively used by adding ready-made motor fuels and light distillates of oil, as well as - cheaper stable gas condensate, also co-produced in oil fields.In the present work, the experience of blending high viscosity heavy and congealing waxy oil with various types of hydrocarbon diluents has been considered with the aim of improving the operational properties of hydrocarbon crude, the transport and processing of which are associated with high costs due to the peculiarities of the composition and properties of the oil. The results of laboratory experiments on dilution of heavy and congealing oils with diesel fuel and stable gas condensate are given, on the basis of which recommendations on the effective usage these special methods. Keywords: oil; rheology; effective viscosity; pour point; hydrocarbon diluent; stable gas condensate.

scholarly journals APPLICATION OF HYDRODYNAMIC CAVITATION TREATMENTOF HIGH-VISCOSITY OILS FOR THE PURPOSE OF INCREASE OF EFFICIENCY OF TRANSPORTATION

2015 ◽  
pp. 97-101
Author(s):  
S. V. Vershinina ◽  
A. E. Brand ◽  
N. A. Mostovaya
Keyword(s):  
Cost Effectiveness ◽  
Crude Oil ◽  
Thermodynamic Parameters ◽  
High Viscosity ◽  
Hydrodynamic Cavitation ◽  
Crude Oils ◽  
Oil Transport ◽  
Simulation Results ◽  
The Cost

A method was proposed and a complex of studies were run to improve the effectiveness of high viscosity crude oil transport using the hydrodynamic cavitation method. A cavitator design with a slot cylinder was offered based on the design hydraulic and thermodynamic parameters simulation results. The cost effectiveness of the cavitation method introduction for treatment of high viscosity crude oils at heating stations during transport is proved.

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