... the initiation and expansion of fractures, and the fractures will extend perpendicular to the maximum horizontal in situ stress direction and gradually approach the fractures on both sides and finally stop expanding. High-viscosity fracturing fluid is easy to form high hydrostatic pressure in the perforated...

... and the compartment, the viscosity of the re-injection fluid and the re-injection interval time have significant impacts on the length and height of the fracture. Therefore, in the actual construction process, the liquid viscosity and interval time can be adjusted to obtain the different scopes of induced fractures...

... dynamic viscosity of pore fluids, which are often ignored in previous studies, to be examined. The framework serves as the basis for the next-step in-depth analysis of theoretical multiphysical problems and practical design of energy foundations. 1. Introduction Saturated geomaterials, such as clays...

... costs and reduced environmental impacts. Chemical reaction accompanied by the flow is a prominent feature of cement-based composites. Rheological properties, especially yield stress and viscosity, are non-uniformly distributed in time and space. In this paper, the rheological properties of quick-setting...

..., in which, the influence of wellbore trajectory change, wellbore constraint, interaction between bit and rock and ultra-HPHT of wellbore on elastic modulus and viscosity of drilling fluid were taken into account. The finite element method (FEM) is used to realize the numerical solution of the nonlinear...

... to unknown fracture width. Various prediction models of fracture width are used to calculate the fracture width of the loss layer, and the influence of the factors such as the loss time, drilling fluid properties (viscosity and yield value), and the angle between the fracture and the wellbore...

... in this study. This model takes into account various fluid properties and predicts the material response under different boundary conditions. The efficiency of this model to capture the deformation characteristics of porous media under different flow rate, fluid viscosity, porosity of the media and other...

... and oil because of the high density and low viscosity. 1 Introduction For the sake of meeting the growing energy demand of oil and gas, the shale gas and oil with highly rich resources have been the major exploitation and development reservoirs recently. And hydraulic fracturing is the most effective...

... the fracturing process parameters, and analyze the mechanism of fracture generation. The numerical model of fracture is established to analyze the interfracture interference phenomenon and optimize the segmenting and clustering problem. The results showed that: The larger the fracturing fluid viscosity is within...

... type crack. carbonate reservoir fracture hydraulic fracturing reservoir geomechanics fracture propagation geology modeling & simulation geologist complex reservoir geological subdiscipline hydraulic fracture viscosity society iop publishing iop conf composite fracture...

... Reservoir Characterization stress component borehole rock mass reservoir geomechanics flow rate porous rock Upstream Oil & Gas isrm international symposium determination stress measurement fracture limitation hydraulic fracturing viscosity asian rock mechanics symposium 29...

... Reservoir Characterization drilling fluid formulation diffusion characteristic characteristic cement-silicate slurry drilling fluid selection and formulation Upstream Oil & Gas viscosity asian rock mechanics symposium 29 dip angle drilling fluid chemistry drilling fluids...

... Artificial Intelligence pore pressure flow in porous media viscosity non-darcy flow test isrm international symposium Upstream Oil & Gas flow rate coefficient Forchheimer equation asian rock mechanics symposium 29 equation sandstone non-darcy coefficient permeability machine...

..., approaching angle, frictional coefficient and fracturing parameters etc. However, only engineering parameters, such as pump displacement and viscosity of fracturing fluid, could be controlled by field engineers. How these two parameters affect the interaction remain poorly understood. In this study, a piece...

... The distinct element analysis for hydraulic fracturing in unconsolidated sand considering fluid viscosity Hiroyuki Shimizua*, Sumihiko Muratab, Takatoshi Itoc and Tsuyoshi Ishidad a Assistant Professor, Tohoku University, Sendai, Japan b Associate Professor, Kyoto University, Kyoto, Japan c...

... of the test section, and the final silica grout composition for the grouting test. During the grouting test, the change of viscosity of the grout was continuously measured. Both flow rate and pressure in the injection section were recorded. In the observation sections, the pressure over time as well...

... element method (FEM). The viscosity of silica sol grout was measured and laboratory injection tests using sand column were performed in order to measure the time-dependent viscosity of silica sol (colloidal silica) for the development of hydraulic conductivity reduction rate and to investigate the grout...

... , (19) where is the viscosity. Moreover, T is the shear strain rate: + = x v x v x vT 3 2 . (20) If we discretize Equation (20) for particle i using Equation (11), ( ) ( ) ( ) x W vv m x W vv m x W vv m T ijij N j N j j jij ij j jij ij N j j j...

... was greater than that obtained by the water. These results suggest that both viscosity of the hydraulic fluid and weak planes of rocks influence the formation of hydraulic fractures. hydraulic fracturing flow rate water management Ogino tuff experiment super critical carbon dioxide liquid carbon...

... and reflected waves with the results derived from the conventional displacement discontinuity method are performed. It shows that the viscosity of the rock material should be considered when analyzing stress wave propagation in jointed rock mass, 1. Introduction Modeling the dynamic behavior of jointed rock...