Exploration and determination of the principles of rotary-percussive underground slimhole drilling

Результат исследований: Материалы для журналаСтатьярецензирование

8 Цитирования (Scopus)

Аннотация

A possibility of the efficient use of rotary percussive drilling to provide drilling smaller diameter holes (40-70 mm) both in mining and prospecting is disclosed herein. A new construction designed for the nipple thread connection is described. The relative amplitude variation, change of power pulse time and energy in their propagation throughout the drilling tool are determined. A possibility of the efficient power pulse transfer along the drill string to the rock destruction tools with new nipple connections which allow automating the make-up and breakout system of drill pipe was supported by experiments.

Язык оригиналаАнглийский
Страницы (с-по)245-249
Число страниц5
ЖурналInternational Journal of Mining Science and Technology
Том24
Номер выпуска2
DOI
СостояниеОпубликовано - 1 янв 2014

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Energy Engineering and Power Technology
  • Geochemistry and Petrology

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