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"REPORTER of the Association of Drilling Contractors" N 1, 2011

FATIGUE BREAKDOWN OF ROCKS WHILE DRILLING

Stanislav V. Sinev - Cand.Tech.Sci., stanislav-vs@mail.ru stanislav-vs@mail.ru.
УДК 622.24

Key words: drill bit, fatigue failure, rock, cutting structure, stress cycle, weight on bit.

РThe article focuses on the history of the study of fatigue breakdown of rocks. The number of cycles in fatigue breakdown of rocks is many hundred thousand times less than that of metals. Fatigue breakdown always occurs while drilling because weight on bit is not sufficient to destroy rocks by a single movement of the bit.

FATIGUE BREAKDOWN OF ROCKS WHILE DRILLING

Stanislav V. Sinev —  Cand.Tech.Sci.,  stanislav-vs@mail.ru

Key words: drill bit, fatigue failure, rock, cutting structure, stress cycle, weight on bit

The article focuses on the history of the study of fatigue breakdown of rocks. The number of cycles in fatigue breakdown of rocks is many hundred thousand times less than that of metals. Fatigue breakdown always occurs while drilling because weight on bit is not sufficient to destroy rocks by a single movement of the bit.

Издан 3 номер за 2024 год ежеквартального научно — технического и производственного журнала "Bulletin of the Association of Drilling Contractors"

ISSN 2073-9877

The scientific and technical journal, “Bulletin of the Association of Drilling Contractors”, is listed by the Higher Attestation Commission of the RF Ministry of Education and Science as one of the leading refereed journals and publications that feature main scientific results of doctoral and candidate’s dissertations.

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