Crustal stress determination from boreholes and rock cores: Fundamental principles
Obtaining quantitative information on the state of stress in the crust can only be
accomplished by accessing the zone of interest by drilling. The borehole cavity, however …
accomplished by accessing the zone of interest by drilling. The borehole cavity, however …
Discing behavior and mechanism of cores extracted from Songke-2 well at depths below 4,500 m
G Mingzhong, H Haichun, X Shouning, L Tong… - International Journal of …, 2022 - Elsevier
Understanding in-situ stresses is the foundation for investigating deep rock mechanics. In
practice, the fracture morphology of a disced core can often reflect its in-situ environment …
practice, the fracture morphology of a disced core can often reflect its in-situ environment …
The role of geomechanics for geological carbon storage
Abstract Geological Carbon Storage (GCS) is a technology that captures CO2 released by
human activities and injects it into a specific formation for long-term storage. Globally, GCS …
human activities and injects it into a specific formation for long-term storage. Globally, GCS …
A three-dimensional meso-scale modelling of concrete fracture, based on cohesive elements and X-ray μCT images
The paper shows three-dimensional numerical results regarding concrete fracture at
aggregate level in a notched concrete beam under bending using cohesive interface …
aggregate level in a notched concrete beam under bending using cohesive interface …
Two-dimensional simulations of concrete fracture at aggregate level with cohesive elements based on X-ray μCT images
The paper presents results of two-dimensional meso-scale simulations of fracture in notched
concrete beams subjected to three-point bending test. Concrete was assumed as a 4-phase …
concrete beams subjected to three-point bending test. Concrete was assumed as a 4-phase …
Characteristics of geothermal geology of the Qiabuqia HDR in Gonghe Basin, Qinghai Province
Z Senqi, Y Weide, L Dunpeng, J **aofeng… - Geology in …, 2018 - geochina.cgs.gov.cn
Based on regional geology, geothermal geology and integrated geophysical exploration
results, the GR1 hot dry rock exploration well was completed in the central part of Qiabuqia …
results, the GR1 hot dry rock exploration well was completed in the central part of Qiabuqia …
Modelling of the effect of discontinuities on the extent of the fracture zone surrounding deep tunnels
EJ Sellers, P Klerck - Tunnelling and Underground Space Technology, 2000 - Elsevier
A series of physical and numerical model tests were performed to investigate the behaviour
of the rock surrounding circular excavations under high confining pressures. The aim was to …
of the rock surrounding circular excavations under high confining pressures. The aim was to …
Investigations of continued reservoir triggered seismicity at Koyna, India
Koyna, located in the Deccan Volcanic Province in western India, is the most significant site
of reservoir triggered seismicity (RTS) globally. The largest RTS event of M 6.3 occurred …
of reservoir triggered seismicity (RTS) globally. The largest RTS event of M 6.3 occurred …
Characterization of 4.2-km-deep fractured granodiorite cores from Pohang Geothermal Reservoir, Korea
The rock core test is the most direct and reliable way to measure fundamental physical,
hydraulic, and mechanical properties for underground reservoir characterization. A 10-cm …
hydraulic, and mechanical properties for underground reservoir characterization. A 10-cm …
Formation mechanism of core discing during drilling under deep in-situ stress environment: Numerical simulation and laboratory testing
F Li, M Gao, S Ye, J **e, H Deng, B Yang, J Liu… - Journal of Central South …, 2023 - Springer
Core discing often occurs during drilling under deep in-situ stress environment. To
determine its formation mechanism in sandstone under deep in-situ stress environment …
determine its formation mechanism in sandstone under deep in-situ stress environment …