... ABSTRACT: CO 2 sequestration along with enhanced coalbed methane (ECBM) has received considerable attention for energy recovery and CO 2 storage. CO 2 injection not only reduces permeability due to the swelling effect but modifies the temperature field, resulting in coupled thermo...

... ABSTRACT: Laboratory experiments involving the injection of fluids through rocks under well-controlled conditions can help better constrain the processes taking place at depth during CO2 geo-sequestration in porous reservoirs, or hydraulic fracturing of tight gas/geothermal reservoirs...

... structural geology reservoir geomechanics podladchikov numerical implementation makhnenko spatial resolution calculation caprock journal illinois basin application resolution propagation bondarenko injection co 2 high-performance modeling coupling ARMA 24 0453 High-performance modeling...

... ABSTRACT: The feasibility of geologic hydrogen (H 2 ) storage in saline aquifers necessitates a thorough analysis of multiphase fluid flow and fluid distribution. This study investigates Berea sandstone as a proxy for hydrogen injection into porous rock. An experimental setup has been...

... the fastest and largest volumes of fluid. By increasing the injection-production well spacing, the production life of a geothermal reservoir might be extended (Fu et al., 2015). geology geological subdiscipline fracture injection enhanced recovery hampton geologist enhanced geothermal system...

... ABSTRACT: Induced seismicity is a major unsolved challenge that stands in the way of harnessing geothermal energy to its fullest extent. To confront this problem, fracture caging was proposed; where pre-drilled boundary wells are placed around an injection zone to contain fluid and limit...

... the caprock and reservoir, which are crucial parameters influencing the potential for induced seismicity. To that aim, thermo-hydro-mechanical simulation of cold CO 2 injection close to the cap rock and within a high-temperature (110°C) depleted gas reservoir is carried out to quantify the additional...

... ABSTRACT: Wellbore integrity is critical to the long-term security of CO 2 geological storage. During CO 2 injection, the significant temperature difference between the injected CO 2 and formation at depth will stress the near wellbore region, potentially leading to generation of leakage...

... step and should provide better prediction of the stress redistribution for the future planned mining steps. tunnel geological subdiscipline excavation loading geologist reservoir characterization deformation malovichko injection increment geology displacement symposium...

.... In the experiment, de-ionized water is circulated under high pressure through an injection steel tubing automatically heated to a target temperature. The fluid adjusts to the tubing temperature during its flow before entering a production well drilled into the 250 mm edge length block. The warm fluid...

... the long term requires an accurate management of the risks based on quantitative prediction (modelling) of the containment of the storage complex before, during and after the injection operations. In this paper we propose to use numerical results of dynamic subsurface modelling to assess in a quantitative...

... ABSTRACT: The Illinois Basin Decatur Project (IBDP) has piloted the process of large-scale injection of CO 2 into a deep saline reservoir. During the project, microseismic clouds were observed from locations that were not identified in any previous geological database. Based on the injection...

..., most solutions neglect the thermal effects within the porous medium and in the fracture development, even though these effects strongly affect the properties of the rock formation and the injected fluid. This work studies the effects of cold fluid injection on induced hydraulic fracture propagation...

... formations under the combined effects of high pressure and thermal stress. It examines the correlation between nitrogen injection duration, fracture density, reservoir temperature, and the laws governing crack initiation and propagation, unveiling the characteristics of fracture damage in deep shale under...

... of CO 2 has drawn widespread attention in recent years. It involves injecting water and CO 2 gas alternately into the reservoir to improve oil recovery and assist storage of CO 2 efficiency. Meanwhile, the WAG flooding with CO 2 has emerged as a prominent EOR technique, which exploits...

... ABSTRACT: Geological Carbon Storage (GCS) offers a promising solution to mitigate climate change, but ensuring safe and permanent CO 2 confinement demands reliable monitoring techniques. This study investigates the feasibility of using pressure changes above the CO 2 injection zone (AIZ...

... ABSTRACT: Fluid-induced shear reactivation of pre-stressed faults poses a project terminating risk during reservoir stimulation in geothermal, CO 2 sequestration, wastewater disposal injection and hydraulic fracturing operations. Micro-earthquakes (MEQs) can be tolerated but fluid injection...

... ABSTRACT: Addressing the challenges associated with fluid injection, such as CO 2 , into reservoirs containing fractures or faults is of paramount importance. An invaluable application of numerical simulations is the prediction of strain induced by stress changes during injection processes...

... injection induced fatigue under varying levels of fluid pressure. These calculations have been validated by laboratory results, demonstrating a reasonable consistency in breakdown pressures. We have thoroughly investigated the effects of CHF on fracture network propagation, providing potential guidance...

... ABSTRACT: We investigate the transport properties of CO 2 -CH 4 under high pressure conditions in both dry and variably saturated porous and fractured carbonates containing native H 2 O and CH 4 . The specific focus is on determining optimal CO 2 injection rates for maximizing CH 4 recovery...