Prospects of the type roller cone bit alternative design by B. V. Fedorov, B. T. Ratov

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Model of deep refining wells of pdc wells with bit by B. V. Fedorov, B. T. Ratov, A. B. Sharauova

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Increasing the stability of drilling tools of a ring type at the passing of exploration wells by B. T. Ratov, B. V. Fedorov, D. R. Korgasbekov, I. Tajbergenova

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Physico-mechanical properties of WC‒Co‒CrB2-matrices of composite diamond-containing materials sintered by vacuum hot pressing for drilling tools by B. T. Ratov, V. A. Mechnyk, M. O. Bondarenko, V. M. Kolodnitskyi

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New vanishing chip and its tests in laboratory conditions by B. T. Ratov, B. V. Fedorov, A. R. Bajboz, D. R. Korgasbekov

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Multifactor registration analysis of standby research of the process of transportation of cryogenic-gravel filter on wellbore by A. A. Kozhevnikov, V. L. Khomenko, B. T. Ratov, A. Toktasynov, E. Musaev

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Physico-mechanical properties of composite diamond-containing materials based on Fe‒Cu–Ni–Sn‒VN matrices, sintered by vacuum hot pressing by B. T. Ratov, V. A. Mechnyk, M. O. Bondarenko, V. M. Kolodnitskyi, E. S. Hevorkian

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Drilling carbide rock cutting tool of a new type by A. A. Kozhevnikov, E. T. Besimbaev, B. T. Ratov, V. L. Khomenko, A. R. Bajboz

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Influence of the thickness of the wall of the drilling pipe on the length of the semi-final in the comprised combined drilling column by A. A. Kozhevnikov, Ju. L. Kuzin, A. A. Leksikov, B. T. Ratov, A. R. Bajboz

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Influence of VN additive on the structure and strength characteristics of diamond-containing composites based on the Fe-Cu–Ni–Sn matrix formed by the method of cold pressing follow... by B. T. Ratov, V. A. Mechnyk, M. O. Bondarenko, V. M. Kolodnitskyi, M. O. Kuzin, E. S. Hevorkian, V. A. Chyshkala

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Influence of the CrB2 additive content on the structure, mechanical and operational properties of Сdiamond–(WC–Co) composite diamond-containing materials formed by spark plasma sin... by B. T. Ratov, V. A. Mechnyk, E. S. Hevorkian, V. M. Kolodnitskyi, M. O. Bondarenko, A. E. Kuttybaiev, S. K. Muratova, D. L. Korystyshevskyi

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Phase formation and diamond retention in Cdiamond‒(WC‒Co)‒ZrO2 composites sintered by the spark-plasma sintering method by B. T. Ratov, V. A. Mechnik, M. O. Bondarenko, E. S. Gevorkyan, V. M. Kolodnitskyi, A. B. Kalzhanova, P. S. Sundetova, Z. G. Utepov

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Structure of Cdiamond–(WC–6Co)–ZrO2 composite materials formed by electric plasma-spark sintering by V. A. Mechnyk, M. Rucki, B. T. Ratov, M. O. Bondarenko, E. S. Hevorkian, V. M. Kolodnitskyi, V. A. Chyshkala, O. M. Morozova, V. H. Kulych

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Cdiamond–(WC–Co)–ZrO2 composite materials with improved mechanical and adhesive properties by B. T. Ratov, V. A. Mechnyk, M. Rucki, E. S. Hevorkian, M. O. Bondarenko, V. M. Kolodnitskyi, V. O. Chyshkala, H. A. Kudaikulova, A. B. Muzaparova, D. L. Korystyshevskyi

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Effect of ZrO2 content on the strength characteristics of the matrix material of Cdiamond–(WC–Co) composites produced by spark plasma sintering by B. T. Ratov, E. Hevorkian, V. A. Mechnik, N. A. Bondarenko, V. M. Kolodnitskyi, T. O. Prikhna, V. E. Moshchil, V. P. Nerubaskyi, A. B. Kalzhanova, R. U. Bayamirova, A. R. Togasheva, M. D. Sarbopeyeva

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Structure and properties of WC–Co composites sintered by vacuum hot pressing with different CrB2 content for drill bits by B. T. Ratov, M. O. Bondarenko, V. A. Mechnyk, V. V. Strelchuk, T. O. Prikhna, V. M. Kolodnitskyi, A. S. Nikolenko, P. M. Lytvyn, I. M. Danylenko, Ye. Moshchil, E. S. Hevorkian, A. S. Kosminov, A. R. Borash

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Phase formation and physical-mechanical properties of WC–Co–CrB2 composites sintered by vacuum hot pressing for drill tools by B. T. Ratov, V. A. Mechnyk, M. O. Bondarenko, V. V. Strelchuk, T. O. Prikhna, V. M. Kolodnitskyi, A. S. Nikolenko, P. M. Lytvyn, I. M. Danylenko, Ye. Moshchil, E. S. Hevorkian, V. A. Chyshkala, A. S. Kosminov, A. A. Shukmanova

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