Results 131 to 140 of about 213 (157)

Rotary percussive drilling

2017
Lopez Jimeno Carlos, Lopez Jimeno Emilio, Javier Ayala Carcedo Francisco, Ramiro Yvonne Visser de   +3 more
openaire   +1 more source

Rotary percussive drilling accessories

2017
Lopez Jimeno Carlos, Lopez Jimeno Emilio, Javier Ayala Carcedo Francisco, Ramiro Yvonne Visser de   +3 more
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

Experimental study and analysis on a fluidic hammer—an innovative rotary-percussion drilling tool

Journal of Petroleum Science and Engineering, 2019
Xinxin Zhang, Yongjiang Luo, Zhangshaohe Zhang   +2 more
exaly  

rotary percussion drill

2014
openaire   +1 more source

rotary percussive drilling

2014
openaire   +1 more source

rotary percussion drilling

2014
openaire   +1 more source

rotary percussive drill

2014
openaire   +1 more source

Efficiency of the pulse shape in rotary-percussive borehole drilling

Soviet mining science, 1971
O. D. Alimov, I. D. Shaposhnikov, L. T. Dvornikov   +2 more
openaire   +1 more source

Quantitative estimate of rotary–percussion drilling efficiency in rocks

Journal of Mining Science, 2017
Oparin V N, V N Oparin, V N Karpov
exaly