Authors: L.E. Mametyev, A.A. Khoreshok, A.Yu. Borisov, O.A. Alitkina

Title of the article: Approaches to the development of tool kits for machines when drilling wells

Year: 2026, Issue: 1, Pages: 48-67

Branch of knowledge: 2.8.8 Mining machines, geotechnology (engineering)

Index UDK: 622.24.051.52 + 622.232.83.054.52

DOI: 10.26730/2618-7434-2026-1-48-67

Abstract: This paper examines configuration schemes for drilling tool sets that are adaptable to a wide range of operating conditions and technological applications, specifically for drilling rigs, auger drilling machines, and selective-action tunnel boring machines, which are characterized by a cyclical, multi-stage operational process. These configuration schemes enable the development of new drilling tool sets, ensuring their subsequent manufacture and improvement based on mass-produced components and mechanisms from machine-building plants in Kuzbass and Russia. The paper presents the summarized results of scientific and practical research and production tests conducted at Kuzbass State Technical University, which led to the development of new, original technical solutions to improve the efficiency of drilling horizontal, gently inclined, and rising wells. Technical solutions in the form of reverse-flow expanders have been developed in stages to increase the efficiency of the gravitational flow of cuttings into the rising pilot well during reverse-flow drilling to the required diameter using a disc tool with a stepped bottomhole destruction scheme. The design features of the working components for auger drilling machines are examined, followed by an identification of their shortcomings. Particular attention is paid to the design of the working mechanism of an auger drilling machine with hinged-swivel cutter groups that can be folded back, which improves the performance of these groups when they are radially folded and unfolded during the replacement of worn tools, and the likelihood of jamming the swivel devices of the cutter groups is prevented. A promising auger-type drilling rig is proposed for drilling horizontal wells during the installation of various underground utilities in mining and underground construction. A technology for a two-stage process of drilling long-reach horizontal wells of large diameter using forward and reverse-rotation auger tools has been developed and brought to the level of industrial implementation, implementing various drilling methods using sets of devices. The geography of the implementation of original technical solutions for auger drilling machines in various regions of Russia is presented. Approaches are described for expanding the functional capabilities of selective-action tunneling machines equipped with drilling tool sets for single-bit and double-bit reversible working units with disc tools.

Key words: drilling rig auger drilling machine roadheader drill bit reamer cutter disc lamp rod auger casing working space bottom hole assembly drilling feed well fastening

Receiving date: 21.09.2025

Approval date: 24.02.2026

Publication date: 09.04.2026

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