Results 291 to 300 of about 3,562,404 (304)

Estimation of optimal drilling efficiency and rock strength by using controllable drilling parameters in rotary non-percussive drilling

Journal of Petroleum Science and Engineering, 2020
exaly  

Very large spot size effect in nanosecond laser drilling efficiency of silicon

Optics Express, 2010
Alberto Diaspro, Fernando Brandi, Nicolas Burdet   +2 more
exaly  

Influence of 3D effects on the efficiency of percussive rock drilling

International Journal of Impact Engineering, 2001
exaly  

Optimal button arrangement of a percussion drill bit and its operating condition for improving drilling efficiency

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2018
Jae-Wook Lee, Jung-Woo Cho
exaly  

Efficiency of a percussive rock drilling process with consideration of wave energy radiation into the rock

International Journal of Impact Engineering, 2006
exaly  

Modeling of drilling assisted by cryogenic cooling for higher efficiency

CIRP Annals - Manufacturing Technology, 2014
Rafael Wertheim
exaly  

HYBRID DRILL BITS HAVING INCREASED DRILLING EFFICIENCY

2017
ZAHRADNIK ANTON F, PESSIER ROLF C, ROTHE MITCHELL A, NGUYEN DON Q, CEPEDA KARLOS, DAMSCHEN MICHAEL S, BUSKE ROBERT J, HOWARD JOHNATHAN, VEMPATI CHAITANYA K   +8 more
openaire   +1 more source

Hybrid drill bits having increased drilling efficiency

2016
ZAHRADNIK ANTON F, BUSKE ROBERT J, PESSIER RUDOLF C, NGUYEN DON Q, CEPEDA KARLOS, DAMSCHEN MICHAEL S, ROTHE MITCHELL A, HOWARD JOHNATHAN, PREVOST GREGORY C, VEMPATI CHAITANYA K, BRADFORD JOHN F   +10 more
openaire   +2 more sources

High efficiency drill pipe

2001
PAYNE MICHAEL, SMITH JACKIE E, BAILEY EDMOND I   +2 more
openaire   +2 more sources

Understanding factors affecting the process efficiency, quality and carbon emission in laser drilling of CFRP composite via tailored sequence multiple-ring scanning

Composites Part B: Engineering
Wei Guo, Paul Mativenga, Jinglei Ouyang
exaly