Application of extreme gradient boosting method for evaluating the properties of episodic failure of borehole breakout
RS Benemaran - Geoenergy Science and Engineering, 2023 - Elsevier
In petroleum engineering, determining in situ stresses and breakout dimensions are crucial.
Nowadays, hydraulic fracturing is a frequently used method for identifying in stresses and …
Nowadays, hydraulic fracturing is a frequently used method for identifying in stresses and …
Replacement reactions and deformation by dissolution and precipitation processes in amphibolites
F Giuntoli, L Menegon… - Journal of Metamorphic …, 2018 - Wiley Online Library
The deformation of the middle to lower crust in collisional settings occurs via deformation
mechanisms that vary with rock composition, fluid content, pressure, and temperature. These …
mechanisms that vary with rock composition, fluid content, pressure, and temperature. These …
Sensitivity analysis of effective parameters in borehole failure, using neural network
S Jolfaei, A Lakirouhani - Advances in Civil Engineering, 2022 - Wiley Online Library
After drilling a borehole in the ground and in a rocky environment, the materials around the
borehole are crushed and separated in layers from the borehole wall; this causes the …
borehole are crushed and separated in layers from the borehole wall; this causes the …
Protracted shearing at midcrustal conditions during large‐scale thrusting in the Scandinavian Caledonides
During continental collision, large tracts of crust are mobilized along major shear zones. The
metamorphic conditions at which these zones operate, the duration of thrusting, and the …
metamorphic conditions at which these zones operate, the duration of thrusting, and the …
Heterogeneity versus anisotropy and the state of stress in stable cratons: Observations from a deep borehole in Northeastern Alberta, Canada
W Wang, DR Schmitt, J Chan - Journal of Geophysical …, 2023 - Wiley Online Library
Geophysical logs collected from a deep borehole drilled into the North American Craton in
Northeastern Alberta shed valuable light on the state of stress in stable cratons. Observed …
Northeastern Alberta shed valuable light on the state of stress in stable cratons. Observed …
In situ stress states at KURT, an underground research laboratory in South Korea for the study of high-level radioactive waste disposal
Abstract The Korea Atomic Energy Research Institute Underground Research Tunnel
(KURT) is an underground research laboratory in South Korea, built for investigations into …
(KURT) is an underground research laboratory in South Korea, built for investigations into …
Image analysis of acoustic data and interpretation of rock stress orientations for geothermal exploration in Gothenburg borehole GE-1, SW Sweden
M Ask, S Pierdominici, JE Rosberg - Geological Society, London …, 2024 - lyellcollection.org
This study contributes to geothermal exploration in 1660–1520 Ma old, reworked bedrock in
Sweden. Our primary objectives are to constrain the orientation of horizontal stresses, and to …
Sweden. Our primary objectives are to constrain the orientation of horizontal stresses, and to …
Spatial variation of shallow stress orientation along the Hikurangi Subduction Margin: Insights from in‐situ borehole image logging
Abstract Knowledge of the contemporary in‐situ stress orientations in the Earth's crust can
improve our understanding of active crustal deformation, geodynamic processes, and …
improve our understanding of active crustal deformation, geodynamic processes, and …
Deciphering the tectonometamorphic history of subducted metapelites using quartz‐in‐garnet and Ti‐in‐quartz (QuiG–TiQ) geothermobarometry—A key for …
P Jeanneret, I Klonowska, C Barnes… - Journal of …, 2023 - Wiley Online Library
Abstract The Seve Nappe Complex is a subduction‐related high‐grade metamorphic unit
that was emplaced onto the margin of Baltica during Caledonian orogenesis. In this paper …
that was emplaced onto the margin of Baltica during Caledonian orogenesis. In this paper …
The Alpine Fault hangingwall viewed from within: Structural analysis of ultrasonic image logs in the DFDP‐2B borehole, New Zealand
Ultrasonic image logs acquired in the DFDP‐2B borehole yield the first continuous,
subsurface description of the transition from schist to mylonite in the hangingwall of the …
subsurface description of the transition from schist to mylonite in the hangingwall of the …