Study of the Efficiency of the Large-Diameter Fishing Tools with the Moving Magnetic Systems

• Autorzy: Taras Romanyshyn , Vasyl Sheketa , Liubomyr Romanyshyn , Myroslav Buchynskyi
• Języki publikacji: EN

Abstrakty

EN

The variety of accidents which happen during the construction of oil and gas wells causes the expansion in the use of magnetic fishing tools. However, the known tools based on permanent magnets have a significant drawback involving the flat working surface of the magnetic system that does not permit to achieve a considerable attraction force to a fished object of complex geometric shape. Therefore, the aim of the research is to increase the efficiency of removalthe objects of irregular geometric shape from the wells by enlarging the area of contacting them. For that purpose, it has been developed a fundamentally new design of the large-diameter fishing tool with the moving magnetic systems capable of copying the shape of the objects to be fished. Each magnetic system, which is compound of permanent rare-earth neodymium magnets and concentrically placed magnetic cores, shall be held by the magnetic field of adjacent systems with opposite polarity. There were conducted theoretical studies using the finite element method to determine the working capacity of the designed tool. As a result, it has been found the valueof hoisting capacity during the interaction of magnetic systems with the roller cone of the drill bit; this fact confirms the capability of fishing the objects of irregular geometric shape. In addition, it has been explored the influence of the material of the fished object on the power characteristics of magnetic systems. The application of the designed magnetic tool allowsremoving the ferromagnetic objects from the well regardless of their shape, weight and position onthe bottom hole. Apart from that, the given tool may be used in the areas where the technology of work is related to drilling wells. (original abstract)

Słowa kluczowe

EN

Machinery and equipment; Mining sector; Mineral resources

PL

Maszyny i urządzenia; Górnictwo; Surowce mineralne

• Czasopismo: New Trends in Production Engineering
• Rocznik: 2019
• Numer: vol. 2(1) cz.I Part I: Modern Machines and Technologies for Mining
• Strony: 206--213

Twórcy

autor

Taras Romanyshyn

• Ivano-Frankivsk National Technical University of Oil and Gas, Ukraine

autor

Vasyl Sheketa

• Ivano-Frankivsk National Technical University of Oil and Gas, Ukraine

autor

Liubomyr Romanyshyn

• Ivano-Frankivsk National Technical University of Oil and Gas, Ukraine

autor

Myroslav Buchynskyi

• Expertnaftogas LLC, Ukraine

Bibliografia

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Identyfikatory

DOI

10.2478/ntpe-2019-0021