Ivan Vytvytskyi
YOU?
Author Swipe
View article: Development and research of the properties of sealing grease for threaded connections of casing pipes
Development and research of the properties of sealing grease for threaded connections of casing pipes Open
The tightness of threaded connections in casing is a critical issue, as it directly affects the reliability of well casing and, consequently, their trouble-free and long-term operation. Given that the oil and gas industry is tasked with ma…
View article: Development of bit design for breaking rocks with different mechanical properties
Development of bit design for breaking rocks with different mechanical properties Open
This paper presents a description of a bit design with a combined cutter layout, aimed at increasing the efficiency of breaking rocks with different mechanical properties. The results from industrial testing of the manufactured bits are an…
View article: Experimental studies of the carrying capacity of the drilling fluid
Experimental studies of the carrying capacity of the drilling fluid Open
The main factors affecting the efficiency of the carrying capacity of drilling fluid are analysed in the paper. A description of the design of an experimental setup for modeling the well flushing process is presented, which makes it possib…
View article: Forceful interaction of the casing string with the walls of a curvilinear well
Forceful interaction of the casing string with the walls of a curvilinear well Open
Purpose. Developing a method for determining the axial forces and the walls reactions along a casing string, which bend it and make it follow a curved wellbore shape. Methodology. The casing string is represented as a long elastic rod in t…
View article: Modeling of nonlinear properties of casing centralizers equipped with axial thrust
Modeling of nonlinear properties of casing centralizers equipped with axial thrust Open
The issue of qualitative centering of the casing in wells with complex trajectory is considered. When choosing an effective centralizer, two competing requirements are simultaneously assigned to its mechanical properties. The centralizer m…
View article: Modelling and improvement of the design of hinged centralizer for casing
Modelling and improvement of the design of hinged centralizer for casing Open
We have researched an important problem for the oil-and-gas field, which is the problem of centralizing of cases in wellbores with a complex profile. Usually this problem is solved by equipping the case in problematic areas with special ce…
View article: Analytical models of contact interaction of casing centralizers with well wall
Analytical models of contact interaction of casing centralizers with well wall Open
The problem of interaction of rod centralizers of casing with a well wall is considered.The paper aims at studying the ways of fastening of centralizer's ends on the parameters of its rigidity and strength.Knowledge of these characteristic…