Results 141 to 150 of about 168,341 (157)

Efficiency evaluation of a percussive drill rig using rate-energy ratio based on rock drilling tests

Journal of Petroleum Science and Engineering, 2022
Yaoru Liu, Yujie Wang
exaly  

Numerical study on impact energy transfer and rock damage mechanism in percussive drilling based on high temperature hard rocks

Geothermics, 2021
Huai Zhong, Hengyu Song
exaly  

Numerical simulation of the energy transfer efficiency and rock damage in axial-torsional coupled percussive drilling

Journal of Petroleum Science and Engineering, 2021
Huai Zhong, Hengyu Song
exaly  

Numerical investigations on rock breaking mechanism and parameter influence of torsional percussive drilling with a single PDC cutter

Journal of Petroleum Science and Engineering, 2022
Yan Xi, Chunqing Zha, Gonghui Liu
exaly  

Experimental study on dynamic characteristics of axial-torsional coupled percussive drilling

Journal of Petroleum Science and Engineering, 2022
Xianzhi Song, Zhongwei Huang, Zongjie Mu
exaly  

Experimental verification of the percussive drilling model

Mechanical Systems and Signal Processing, 2021
Maolin Liao, Marian Wiercigroch, James InG   +2 more
exaly  

Application and comparison of feature-based classification models for multistable impact motions of percussive drilling

Journal of Sound and Vibration, 2021
Kenneth Omokhagbo Afebu, Evangelos Papatheou   +1 more
exaly  

The percussive process and energy transfer efficiency of percussive drilling with consideration of rock damage

International Journal of Rock Mechanics and Minings Sciences, 2019
Heqian Zhao, Huai Zhong, Gaosheng Wang
exaly  

Study on perforation performance of abrasive water jet enhanced by percussive drilling

Journal of Petroleum Science and Engineering, 2020
Dongdong Yang, Yangliang Li
exaly  

Numerical and experimental study of percussive drilling with a triple-button bit on Kuru granite

International Journal of Impact Engineering, 2014
Mikko Hokka, Timo Saksala, Veli-Tapani Kuokkala   +2 more
exaly