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Title: IMPROVING THE EFFICIENCY OF PDC BITS IN OIL AND GAS DRILLING
IMPROVING THE EFFICIENCY OF PDC BITS IN OIL AND GAS DRILLING

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A.R. Borash; L.K. Nurshakhanova; M.T. Arshidinova; ZH.M. Kenzhegaliyeva; A.A. Zhanggirkhanova
10.5593/sgem2023/1.1/s06.84
10.5593/sgem2023/1.1
1314-2704
978-619-7603-56-9
English
23
1.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Oil and Gas Exploration
The work is devoted to increasing the service life of PDC bits when drilling rocks alternating in hardness by equipping tools with additional superhard elements. Experimental data have shown (ISM NAS (Ukraine)) that superhard elements have the following composition: diamond, tungsten carbide, cobalt, chromium diboride and zirconium dioxide, and the latter two components are included in the composite in a ratio of 2:4. Inserts made of a new composite have minimal cracking, increased wear resistance and cutting ability.
In the manufacture of new PDC bits, the bottom-hole part of the blades should be equipped with working elements consisting of a PDC cutter and an insert made of superhard composite. It is shown that when the working edges of the PDC cutter and the end of the undercut insert are placed in the same plane, the efficiency of downhole deepening is ensured.
To preserve the diameter of the well, the side surface of the blades is also equipped with calibration inserts made of a new composite. The theoretical dependence of the tool feed rate is obtained depending on the number of calibration inserts in the tier, the rotation frequency of the column and the diameter of the inserts.
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This study is funded by the Science Committee of the Ministry of Science and Higher Education of the Republic of Kazakhstan (Grant No.AP14869271)
conference
https://doi.org/10.5593/sgem2023/1.1/s06.84
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Proceedings of 23rd International Multidisciplinary Scientific GeoConference SGEM 2023
23rd International Multidisciplinary Scientific GeoConference SGEM 2023, 03 - 09 July, 2023
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference-SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Russian Acad Arts; Turkish Acad Sci.
705-710
03 - 09 July, 2023
website
9073
New composite, blades, PDC cutter, undercut insert, calibration insert