Adjustment of the axial load on the bit when hole deepening by using the screw mechanism

Authors

DOI:

https://doi.org/10.15587/2706-5448.2023.275242

Keywords:

screw mechanism, axial load, ball bit, adjustment, drill string, hole deepening

Abstract

The object of the research is a screw mechanism for adjusting the axial load on the bit during a hole deepening.

Mathematical modeling of dynamic processes that occur in the drill string during the hole deepening in deep wells is considered. It is shown that in the process of hole deepening, the longitudinal oscillations are proportional in their intensity to the torsional ones. Obtained boundary conditions for mathematical models of the column with the use of a shock absorber or a screw amplifier.

In the course of research, it was found that the screw working mechanism of the axial load creates a relationship between the axial load on the bit and the torque on the screw. This makes it possible to install safety devices that limit the torque of the drive shaft (reciprocating engine, rotor). It is shown that various types of energy supplied to the punch, which are transformed by the punching motor and amplified due to the axial (screw) amplifier installed above the bit, ensure the rotary-progressive movement of the ball bit and increase the drilling performance. It was determined that the obtained dependencies take into account the change in time of the axial load and torque depending on the parameters of the axial amplifier and the geological and technical conditions of drilling and the arrangement of the bottom of the drill string.

The research results will be useful to scientists and specialists of the oil and gas industry during the physical modeling of the processes of adjusting the axial load on the bit during a hole deepening by using a screw mechanism.

Author Biographies

Viktor Svitlytskyi, Odesa National University of Technology

Doctor of Technical Sciences, Professor

Department of Oil and Gas Technologies, Engineering and Heat Power Engineering

Tetiana Sahala, Odesa National University of Technology

PhD, Associate Professor

Department of Oil and Gas Technologies, Engineering and Power Engineering

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Adjustment of the axial load on the bit when hole deepening by using the screw mechanism

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Published

2023-02-28

How to Cite

Svitlytskyi, V., & Sahala, T. (2023). Adjustment of the axial load on the bit when hole deepening by using the screw mechanism. Technology Audit and Production Reserves, 1(1(69), 40–44. https://doi.org/10.15587/2706-5448.2023.275242

Issue

Vol. 1 No. 1(69) (2023): Industrial and technology systems

Section

Technology and System of Power Supply

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Copyright (c) 2023 Viktor Svitlytskyi, Tetiana Sahala

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