Results 171 to 180 of about 333 (189)

Energy-Based Volumetric Rock Destruction Criterion in the Rotary–Percussion Drilling Technology Improvement

Journal of Mining Science, 2018
B N Smolyanitsky, Oparin V N, V N Oparin
exaly  

percussive rotary core drilling

2014
openaire   +1 more source

Unified prediction model for percussive and rotary drilling

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1986
openaire   +1 more source

Improving shearing efficiency of percussion rotary drill bits

Mining informational and analytical bulletin, 2020
A.A. Grinko, N.I. Sysoev, D.A. Grinko
openaire   +1 more source

Well drilling by rotary-percussive drill above ground (in French)

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1988
openaire   +2 more sources

Rock Drillability in Rotary-Percussion Drilling

Journal of MMIJ, 2009
exaly  

Embedded Drilling System Using Rotary-Percussion Drilling

Advances in Intelligent Systems and Computing, 2019
Hyun Myung, Myung Hyun
exaly  

Internal characterization and hole formation mechanism in the laser percussion drilling process

International Journal of Machine Tools and Manufacture, 2013
Eneko Ukar, Franck Andrés Girot Mata, I Tabernero   +2 more
exaly  

Performance evaluation of polycrystalline diamond compact percussion bits through laboratory drilling tests

International Journal of Rock Mechanics and Minings Sciences, 2016
Kuniyuki Miyazaki
exaly  

A Rock Strength Prediction Model Utilizing Real-Time Data from Percussion–Rotary Drilling Measurements

Rock Mechanics and Rock Engineering
Yuyong Jiao, Feng Xiong, Zhang Guo-Hua   +2 more
exaly