... ABSTRACT: Accurate prediction of dynamic pressures is essential for wellbore integrity analysis in deep water wells and wells with narrow operational windows. During the start-up of circulation, a higher circulating pressure is needed due to the gelation effect of drilling fluid. A coupled...

... the geomechanical effect, the gas distribution characteristics during the CRIP process are explored, as well as the effects of gasification pressure difference, production pressure, gasified-gas pressure, reservoir permeability, and water energy on gas migration. Moreover, an assessment system of gas leakage during...

... geologist flow in porous media mpa characteristic international journal journal red sandstone triaxial compression condition technology engineering effect cyclic freezing cold region science mechanical property poisson cyclic freezing-thawing china ARMA 24-0684 Effect of Cyclic Freezing...

... such as Young's moduli and Poisson's ratio. The current program has shown how elastic moduli can be affected by changes in temperature, and how these changes can affect the estimation of stress changes within a reservoir. This comprehensive triaxial test also displayed a non-linear behavior at lower effective...

... ABSTRACT: This paper summarizes geo-mechanical findings from the ongoing Gas Well Stability research at the National Institute for Occupational Safety and Health (NIOSH)-in particular, the critical effects of geologic and geometric parameters on longwall-induced gas well casing deformations...

...; Kumar et al 2018; Liu et al 2018; Li et al., 2019; Peng et al 2020), as well as loading type comprising compressive, shear and tensile cyclic loading (see Coviello et al 2005; Bagde and Petroš 2005; Chen et al 2013; Dai et al 2013; Song et al 2013; Vaneghi et al., 2018). In addition, effects...

..., the impact of loading history and high salinity water (HSW) on the permeability of fractured shale has been investigated via laboratory studies. The fractured shale sample was loaded and unloaded under different effective stresses with nitrogen gas injection, resulting in a decrease in fracture permeability...

...-charging stages using numerical modeling with the point estimate method. Specifically, rock mass yield zone development and cavern displacement distributions have been obtained to assess cavern stability. Additionally, the effects of cavern depth, cavern size and the COV of rock mass deformation modulus...

... the equilibrium state. The numerical model also investigated the effects of proppant density, proppant size and fluid velocity on the proppant transportation. The results show that the sand-carrying fluid flow in nonplanar fracture has higher flow resistance compared with the planar fracture. Proppant with large...

.... clastic rock mudrock geologist complex reservoir geology rock type sedimentary rock oil shale hydraulic fracturing shale oil specimen fracture hydraulic fracture meticulously effect shale gas reservoir geomechanics shale reservoir mudstone acid pretreatment crack propagation...

.... Additionally, this study utilizes one of the advanced critical state-based constitutive models, i.e., the Hierarchical Single-Surface Methane Hydrate (HISS-MH) model, to evaluate the model's performance in predicting the densification effect caused due to the presence of hydrates. After obtaining the model...

... ‘s modulus and tensile strength of reservoir rocks have an important influence on the morphology and effect of hydraulic fractures (Rickman, R., 2008; Zou, 2016; Huang, L., 2022). Numerical simulation is also an important method to study hydraulic fracturing. Finite element method (FEM) (Guo T, 2015...

... process, the acid fluid and the solid matrix are accompanied by the mass transfer of reactants and products. This work is motivated to investigate the effect of the mass transfer process on the acid stimulation process. The two-scale continuum model is employed for capturing mass and momentum transfer...

... geology mudrock reservoir geomechanics hydraulic fracture fracture propagation rock type mudstone displacement propagation interface engineering hydraulic fracturing reservoir characterization viscosity mpa equation effect complex reservoir shale oil geological subdiscipline simulation...

... ABSTRACT: Currently, radio frequency (RF) heating is emerging as an alternative to steam thermal recovery methods, owing to its numerous advantages including cleanliness, environmental friendliness, and cost-effectiveness. Achieving maximum heating distance and temperature during RF heating...

... ABSTRACT: To study the effects of loading rate on the fracture characteristics, sandstone samples with a center notch were used in three-point bend experiment for the loading rates of 0.0004, 0.004, 0.04, 0.4 and 4mm/min of crack mouth opening displacement. We divided the fracture process zone...

... metals & mining cement technology suorineni determination cube diameter accuracy effect experiment strategy attenuation acoustic emission calculation ARMA 22 13 Strategy towards accurate location of seismic events sources in mining environments: Effect of voids and backfill...

... ABSTRACT: The accurate estimation of parent well production induced in-situ stress change is of great significance for evaluating wellbore breakout of child wells. For conventional reservoirs, poromechanical effect is considered to be the main factor that controls in-situ stress evolution...

... at normal temperatures and pressures, and the results indicated that the strength and elastic modulus decreased with increasing the degree of water immersion, while the Poisson’s ratio varied independently. Tang (2000) and Tang et al. (2002) studied the time effect of different rock mechanical parameters...

.... Furthermore, the pore filling material is a mixture of gas, oil, water, and kerogen in organic-rich shale. This study aims to analyze the effect of mineral composition, pore shape, and fluid type on rock properties of the BPS using various rock physics models. Our results showed that both compressional...