...Rock Mechanics for Natural Resources and Infrastructure Development Fontoura, Rocca & Pavón Mendoza (Eds) © 2020 ISRM, ISBN 978-0-367-42284-4 Experimental study on water injection induced fault slip under critical state Zihao Dou, Delei Shang, Zhihong Zhao*, Tianyang Gao & Jinjin Li Department...

... Abstract The article is devoted to one of the most effective and promising methods for improving the structural properties of soils–the method of "Geocomposite". The method is based on the compaction and reinforcement of the soil through the injection of mortar under high pressure, as a result...

...Rock Mechanics for Natural Resources and Infrastructure Development Fontoura, Rocca & Pavón Mendoza (Eds) © 2020 ISRM, ISBN 978-0-367-42284-4 Coupled X-FEM approach to reproduce the mechanics due to direct fluid injection into a natural in-situ fault A.K. Schwartzkopff & A. Sainoki International...

...-flow rate tests are replaced by multiple-flow rate injection schemes. For respective fracturing stages, the permeability is comparable for conventional and cyclic tests. Maximum permeability values and low seismicity are obtained after cyclic progressive pressurization with water hammering. Our working...

... fluid dynamics specimen oil sand flow in porous media water management figure 5 figure 6 numerical modeling experiment key china university upstream oil & gas bitumen injection deformation preparation application complex reservoir enhanced recovery experiment deformation...

... Abstract Induced or triggered seismicity by hydraulic stimulation, especially the occurrence of large magnitude events has been one major challenge for EGS development. Multiple stage injection may provide an alternative for achieving long term permeability improvement while reducing induced...

... Abstract Fault activation and induced seismicity associated with underground injection activities such as geologic carbon storage (GCS), shale-gas fracturing and geothermal stimulation were simulated using a coupled flow and geomechanical numerical model with a strain-softening Mohr-Coulomb...

... breakdown pressure for cyclic loading and were visualised by CT scans. A new advanced protocol of progressively increased cyclic injection and a pulsed injection design for hydraulic fracturing experiments was applied at the Hard Rock Laboratory in Äspö in Sweden. The dynamic stimulation scheme of loading...

... SAGD Upstream Oil & Gas stimulation ultra-heavy oilsand rock mechanics isrm13 injection Montreal Abstract Successful application of steam assisted gravity drainage (SAGD) on the recovery of land facies ultra-heavy oil in Xinjiang oilfield depends largely on shortening the preheating...

... , the fracture can be opened by exceeding 3 only. Fluid injection is performed via small packed intervals for creating a stack of hydraulic fractures. 2) During hydro-shearing (HS), over-pressure induces slip along pre-existing fractures that are favourably oriented in the stress field for reactivation in shear...

..., a variance-based sensitivity analysis was adopted for importance ranking of the uncertain input parameters of the given model. However, such flow models could involve one or several spatial inputs, for instance, fault dip, distance between fault and the injection well, friction angle of fault, permeability...

... mining. However, the optimal design of hydraulic injections is often limited by continuum treatments of the rock mass without consideration of the influence of the natural fractures present. These may interact with the hydraulic fracture to promote offsets or arrest, or may cause the natural fractures...

... is situated in Opalinus Clay, at Mont Terri, Switzerland. An experiment, consisting of the excavation of a tunnel followed by water and gas injections in a test section of the tunnel, was performed at the URL. The authors have developed a mathematical model, based on the poromechanics theoretical framework...

...STUDY OF THE POTENTIAL FAULT REACTIVATION INDUCED BY CO2 INJECTION IN A THREE-LAYER STORAGE FORMATION *B. Figueiredo, CF. Tsang, A. Niemi Uppsala University Uppsala, Sweden (*Corresponding author: bruno.figueiredo@geo.uu.se) J. Rutqvist Lawrence Berkeley National Laboratory Berkeley, California J...

... cell placed within a nano-CT scanner with a 10 µm resolution. The body of the compression cell is X-ray transparent, allowing sample healing to be monitored directly. The samples contained an artificial fracture that had been generated in the laboratory, into which a fluid was injected. The fractures...

... a unique opportunity for calibrating the spatial permeabilities (e.g. low-permeability barriers) of reservoir models. Upstream Oil & Gas Modeling & Simulation displacement surface displacement flow in porous media DInSAR insar technology lateral boundary co 2 injection permeability...

... formations. Methodologies used for risk analysis are described with particular emphasis in Bayesian Networks. Their fundaments are presented and some applications concerning the Risk Assessment of CO 2 injection processes and storage in carboniferous formations and contamination of aquifers by CO 2...

... and parame- ter input hydraulic calculation will initially be carried out at an injection time interval t. Immediately a change in pore pressure (induced by fluid injection) occurs, the mechanical calculation will be turned on. The total system will no longer be in the state of mechanical equilibrium due...

... ABSTRACT: In this study, we developed a new flow pump permeability test to investigate the behavior of CO 2 injected into low permeable rocks. The injection of supercritical CO 2 was conducted on a cored sandstone saturated with water. In addition, numerical analysis of flow pump...

... results are reviewed from studies of the geomechanical aspects and modeling associated with CO 2 injection at the In Salah CO 2 storage project, around the Krechba gas field, Algeria. The site is an ideal test bed for geomechanical studies: the CO 2 injection pressure is sufficiently high to cause...