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New features of rock-cutting tools equipped with diamond-carbide cutting elements

https://doi.org/10.22349/1994-6716-2020-101-1-74-84

Abstract

The paper describes conducted feasibility study and scientific and technical basis for creation of technology for drilling tools with diamond-carbide cutting elements. The results of technological processes of production of diamond-carbide inserts (DCI) manufactured by Technological Institute for Superhard and Novel Carbon Materials (TISNUM), which are designed for operation and implementation in various drilling conditions were presented. The DCI differentiated physic-chemical and performance characteristics, depending on the physic-mechanical properties of rocks formations, the particular construction of wells and other drilling conditions. A complex of studies of physical and mechanical properties of DCI, their relationship with the structural and technological factors, performance of bits equipped with DCI, the nature of bits wear were conducted, including pilot testing of new polycrystalline diamond compact bits (PDC bits) with polycrystalline diamond cutters produced by TISNUM at the facilities of JSC Gazprom Neft. The possibilities of industrial production of DCI and premium drilling bits on the basis of TISNUM technologies are shown, which will ensure demands of the Russian oil and gas industry, allowing import dependence elimination, and in future start of export. Ultimately, by 2025, with the help of new technologies, it will be possible to occupy up to 25– 30% of the global market for drilling tools and equipment.

About the Authors

M. V. Vorobieva
Technological Institute for Superhard and Novel Carbon Materials (TISNUM)
Russian Federation
Cand Sc. (Eng)


S. A. Perfilov
Technological Institute for Superhard and Novel Carbon Materials (TISNUM)
Russian Federation
Cand Sc. (Eng)


A. A. Pozdnyakov
Technological Institute for Superhard and Novel Carbon Materials (TISNUM)
Russian Federation
Cand Sc. (Eng)


R. L. Lomakin
Technological Institute for Superhard and Novel Carbon Materials (TISNUM)
Russian Federation


V. D. Blank
Technological Institute for Superhard and Novel Carbon Materials (TISNUM)
Russian Federation
Dr Sc. (Phys-Math)


References

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Review

For citations:


Vorobieva M.V., Perfilov S.A., Pozdnyakov A.A., Lomakin R.L., Blank V.D. New features of rock-cutting tools equipped with diamond-carbide cutting elements. Voprosy Materialovedeniya. 2020;(1(101)):74-84. (In Russ.) https://doi.org/10.22349/1994-6716-2020-101-1-74-84

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ISSN 1994-6716 (Print)