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Vol 189
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Mining machine, electrical engineering and electromechanics

Swinging movement autoresonant electric drive with nonsymmetric excitation of dynamically counter-balanced drilling string on carrying cable

E. A. Zagrivnyi1
A. N. Fomenko2
About authors
  • 1 — Saint Petersburg State Mining Institute (Technical University)
  • 2 — Saint Petersburg State Mining Institute (Technical University)
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Date published:


Considered nonsymmetric mode of drill bit oscillations when forming a unipolar electromagnetic torque on each cycle oscillations of dynamically balanced drill . Developed a method for estimating speed of rotation drill around its axis when working in the nonsymmetric mode at first approximation .

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  2. Пат. № 2337225 РФ. Электромеханический колонковый буровой снаряд. / Э.А.Загривный, В.В.Рудаков, С.С.Стародед, Ю.А.Гаврилов. Опубл. 27.10.2008.
  3. Стародед С.С. Электромеханический колонковый буровой снаряд на грузонесущем кабеле для очистки призабойных зон нефтяных скважин / С.С.Стародед, Э.А.Загривный // Записки Горного института. СПб, 2007. Т.173.
  4. Тимошенко С.П. Колебания в инженерном деле. М., 1967.
  5. Пат. № 2009146092 РФ. Электромеханический колонковый буровой снаряд / Э.А.Загривный, А.Н.Фоменко В.В.Иваник. Опубл. 11.12.2009.
  6. Fomenko A.N. Resonant electric drive of dynamically counterbalanced drilling string on carrying cable with swinging movement. «Challenges and solutions in mineral industry». 2009.

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