[HTML][HTML] Investigating the effects of mechanical properties of rocks on specific energy and penetration rate of borehole drilling
P Kolapo - Geotechnical and Geological Engineering, 2021 - Springer
… the analysis of effects of mechanical properties of rock on … The study made use of an integrated
approach involving the … amount of energy required to remove a unit volume of rock. The …
approach involving the … amount of energy required to remove a unit volume of rock. The …
A phase-field model for blasting-induced failure and breakage analysis in rock masses
S Liu, M Kou, Z Wang, Y Zhang, F Liu - International Journal of Rock …, 2024 - Elsevier
… of blasting parameters, geometries of boreholes and in-situ … ∂ B ∪ Γ where ψ is the stored
energy density, ∇ x 2 ( • ) is … bulk energy and accounted for the sign of the volumetric strain, …
energy density, ∇ x 2 ( • ) is … bulk energy and accounted for the sign of the volumetric strain, …
… advances in geothermal energy reservoirs modeling: Challenges and potential of thermo-fluid integrated models for reservoir heat extraction and geothermal energy …
… /line model was used in TRT to obtain the volumetric heat … , borehole depths, and borehole
properties was borehole depths… and rock as well as the heat transport rewarded the borehole …
properties was borehole depths… and rock as well as the heat transport rewarded the borehole …
Neural network application to petrophysical and lithofacies analysis based on multi-scale data: an integrated study using conventional well log, core and borehole …
AA Shehata, OA Osman, BS Nabawy - Journal of natural gas science and …, 2021 - Elsevier
… with no core data and borehole image. Core permeability was … porosity, bulk density, volume
of shale and volume of sand, it … rock typing workflow is mostly based on lithofacies analysis …
of shale and volume of sand, it … rock typing workflow is mostly based on lithofacies analysis …
Analysis of deformation, permeability and energy evolution characteristics of coal mass around borehole after excavation
Y Xue, PG Ranjith, F Dang, J Liu, S Wang, T Xia… - Natural Resources …, 2020 - Springer
… Considering the degradation of rock mechanical properties, … away from the borehole, and
the volumetric strain remains … dual-porosity characteristics of coal) have been integrated in the …
the volumetric strain remains … dual-porosity characteristics of coal) have been integrated in the …
First in situ determination of ground and borehole thermal properties in Latin America
P Roth, A Georgiev, A Busso, E Barraza - Renewable energy, 2004 - Elsevier
… Corresponds to Maicillo and residual metorised rock (rocks … —0017 with a case-integrated
sensor. The data loggers were … For our particular case of one BHE, the volume of the storage …
sensor. The data loggers were … For our particular case of one BHE, the volume of the storage …
Development of a continuum damage model for blasting analysis
L Liu, PD Katsabanis - International Journal of Rock Mechanics and Mining …, 1997 - Elsevier
… total energy density G … in the borehole and the gas penetrating into the near-borehole fracture
network (… If the volumetric strain and crack density corresponding to the fracture stress are …
network (… If the volumetric strain and crack density corresponding to the fracture stress are …
Vertical-borehole ground-coupled heat pumps: A review of models and systems
H Yang, P Cui, Z Fang - Applied energy, 2010 - Elsevier
… One is the solid soil/rock outside the borehole, where the heat … is the integral mean temperature
along the borehole depth, … with multiple boreholes into two regions: one is the volume …
along the borehole depth, … with multiple boreholes into two regions: one is the volume …
Rock damage control for large-diameter-hole lateral blasting excavation based on charge structure optimization
… A numerical model with three rows of boreholes was developed … 5a, the size of the integral
model is 30 m × 21 m × 6 m. … volume of broken rock to the volume of the corresponding part. …
model is 30 m × 21 m × 6 m. … volume of broken rock to the volume of the corresponding part. …
Groundwater resources assessment using integrated geophysical techniques in the southwestern region of Peninsular Malaysia
MSE Juanah, S Ibrahim, WNA Sulaiman… - Arabian Journal of …, 2013 - Springer
… with a mean depth of 43.71 m and a net volume of 9.798 × 10 7 m 3 . From the approximate
… the physicochemical properties of the rock surrounding the boreholes and the properties of …
… the physicochemical properties of the rock surrounding the boreholes and the properties of …