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Review of theoretical, experimental, and numerical studies on rotary percussive rock drilling

International Journal of Mining, Reclamation and Environment, 2023
Rotary percussion rock drills have been widely used in mining and civil engineering fields, and their performance needs to be further improved. To deeply understand the mechanisms of the rock drills, this article reviews the previous studies from ...
K. Hashiba, K. Fukui
semanticscholar   +1 more source

A novel bionic jellyfish robot for seabed rock drilling and sampling exploration

Other Conferences, 2021
Sampling of seabed rock is an important technical measure for deep-sea resource exploration. Combining underwater bionic technology with ultrasonic drilling technology, a novel robot for submarine rock drilling and sampling is proposed in this paper. The
He Li   +4 more
semanticscholar   +1 more source

Theoretical and Experimental Studies of Impact Energy and Rock-Drilling Efficiency in Vibro-Impact Drilling

, 2021
Vibro-impact drilling has been proven to be a viable technique for enhancing the rate of penetration (ROP) in deep and ultra-deep well drilling. It is essential to study the effects of impact parameters on impact energy and rock-drilling efficiency for
Quanbin Cao   +5 more
semanticscholar   +1 more source

The influence of the structural distribution and hardness of mineral phases on the size and shape of rock drilling particles

, 2020
Rock drilling is a significant activity widely used in the exploration of marine mineral resources and offshore civil engineering such as marine mining, petroleum and deep-water drilling. The characteristics of size and shape of particles produced during
Xiaofeng Yang   +3 more
semanticscholar   +1 more source

Rock Strength Prediction in Real-Time While Drilling Employing Random Forest and Functional Network Techniques

, 2021
The rock unconfined compressive strength (UCS) is one of the key parameters for geomechanical and reservoir modeling in the petroleum industry. Obtaining the UCS by conventional methods such as experimental work or empirical correlation from logging ...
H. Gamal   +4 more
semanticscholar   +1 more source

Predicting the Rock Sonic Logs While Drilling by Random Forest and Decision Tree-Based Algorithms

Journal of energy resources technology, 2021
The sonic data provide significant rock properties that are commonly used for designing the operational programs for drilling, rock fracturing, and development operations.
H. Gamal, Ahmed Alsaihati, S. Elkatatny
semanticscholar   +1 more source

Influence of cemented carbide binder type on wear initiation in rock drilling – Investigated in sliding wear against magnetite rock

, 2019
Cemented carbides, containing hard WC grains in a ductile Co binder, are commonly used as the rock crushing part of rock drills.
J. Heinrichs   +4 more
semanticscholar   +1 more source

Numerical investigation on rock‐breaking mechanism and cutting temperature of compound percussive drilling with a single PDC cutter

Energy Science & Engineering, 2021
Compound percussive drilling technology is a new method to improve the rock‐breaking efficiency in deep hard formation. In order to study the rock‐breaking mechanism of compound impact drilling, the thermal‐structure coupling simulation of the dynamic ...
Wen Wang   +5 more
semanticscholar   +1 more source

Development and Application of a Multifunction True Triaxial Rock Drilling Test System

Journal of Testing and Evaluation, 2018
The real-time acquisition of the rock mass mechanical parameters and the rapid classification of the surrounding rock during the construction of an underground structure are of great value for informational construction and optimization of the parameters
Qi Wang   +6 more
semanticscholar   +1 more source

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