Applied scientific and systemic problems of the related ore-dressing plants interaction in the event of decommissioning the massif that separates their quarries [PDF]
, 2020 Purpose. Determining the possible and substantiating expedient alternate design and engineering decisions regarding the stage of spacial union of the adjacent quarries belonging to various owners by mining the rock pillar between the No. 3 quarry of PJSC
Azarian, Volodymyr +5 more
core +1 more source
Advances in Materials Science and Engineering, 2023 Efficient hole cleaning during drilling operations is critical to maintain a high rate of penetration and smooth drilling, leading to minimum drilling problems and economical drilling efficiency. This process involves several important factors, including
Mohammed Al-Rubaii +2 more
doaj +1 more source
Substantiating rational parameters of a method for shrinkage ore stoping while developing thin- vein steeply inclined deposits [PDF]
, 2018 Objective of the paper is to substantiate rational ore-stoping technique while using small wells in the context of thin-vein steeply inclined deposit mining.
Denyshchenko, Oleksandr +3 more
core +1 more source
Intensification of technological processes in drilling and blasting operations during open-cut mining in Kyzylkum region [PDF]
, 2018 Purpose. It is found that for long term standing, the pit bench profile is close to the boundary of the disturbed zone. Therefore, long stability of the bench can be estimated in respect to the size of the disturbed area and the boundary of residual ...
Karimov, Sh, Ravshanova, M, Zairov, Sh
core +1 more source
Sustainable use and production of energy in the 21st century [PDF]
, 2015 It is foreseen that oil and gas will continue to be the key energy sources in the 21st century. Therefore, it is important that oil and gas be produced in a sustainable way during the next decades.
Gudmestad, O. T., Traa, K.
core +2 more sources
New Dual-Side Derrick and Supporting System Based on Fixed Drilling Platform
Shiyou jixieDue to limited internal space， the arrangement of automated equipment on conventional derrick of traditional offshore platform becomes difficult. The nippling up and down of casing and tribble needs to be carried out on the same monkey board， resulting ...
Yang Xiangqian +3 more
doaj +1 more source
Results of the experimental research of the heat-transfer jet pressure to the rock surface during thermal reaming of the borehole [PDF]
, 2018 The performed analysis of scientific sources confirms the existence of a small number of publications devoted to the experimental research of the gasdynamics and plasmodynamics of jets used as a heat- transfer medium in the thermal ...
Potapchuk, Iryna +3 more
core +1 more source
Research of weight on bit transmission law of ultra-long directional borehole along coal seam
Gong-kuang zidonghua, 2019 In order to further increase directional borehole depth along coal seam and improve drilling efficiency of ultra-long directional borehole, influencing factors of weight on bit(WOB) transmission of ultra-long directional borehole along coal seam were ...
LIU Fei +4 more
doaj +1 more source
Electroplastic cutting influence on power consumption during drilling process [PDF]
, 2016 The aim of this study is to report the use of non-conventional material removal process technique. It was found that electropulses (EPs) assisted drilling process improves the material machinability based on the eletroplastic influence.
González Rojas, Hernan Alberto +3 more
core +2 more sources
Structural Design and Experimental Study of Multi-Orifice Nozzle Cluster Deep Penetration Microbit
Shiyou jixieAs oilfield exploitation gradually enters middle-late stage， the rapid rock breaking of tight oil and gas formations by bit becomes the key to increasing oil and gas production.
Gao Kai +6 more
doaj +1 more source