... ABSTRACT: The tensile strength (TS) has been used extensively in estimating the unconfined compressive strength of a rock formation when the number of UCS measurements are limited. A well-known method of determining the TS of a rock sample is the Brazilian tensile strength (BTS) test...

... indicates that weight on bit of pilot hole drilling with the rotational speed of reaming and static elasticity modulus of the rocks could be used to predict the field specific energy. Consumed reamerhead torque and indirect tensile strength and dynamic elasticity modulus of rocks could be used to predict...

... or laboratory testing, as in the case of BBMs, the macroscopic behavior of the model must be calibrated to laboratory data via an iterative process of varying the input parameters. upstream oil & gas tensile strength walton reservoir characterization brittleness simulation international journal...

... tensile strength amplitude journal wellhead magnitude simulation equation numerical simulation roughness characteristic distance cphfm engineering ARMA 22 0222 Numerical simulation on characteristics of hydraulic fracture initiation induced by circle pumping method Yan Peng, Shengjie Wei...

... borehole. upstream oil & gas reservoir geomechanics pressure transient testing reservoir characterization simulation hydraulic fracturing pressure transient analysis reactivation tensile strength stimulation friction coefficient shear traction bulgg figure 10 figure expression...

... & gas specimen displacement hydraulic fracturing simulation fracture strips engineering munjiza platen knight tensile strength interface propagation paraview tension test rougier national laboratory new mexico ARMA 22 465 Concrete Fracture and Stress Analysis using the Combined...

... indicated that the tensile strength of the granite-mortar interfaces was smaller than that of either the granite or the mortar. It was found that the tensile strength of the interface was controlled by both interface (adhesive strength) and the mortar (cohesive strength). The DIC results showed that FPZ...

... ABSTRACT: A simple testing apparatus has been designed for measurement of tensile strength of rock and characterization of fracture parameters such as critical crack opening displacement. The apparatus is a hardened-steel beam with a notch and a cut-out, designed so that the rock specimen...

... displacement tensile strength embedment plane bedding rutqvist shale-indentation experiment imaged shear strength fracturing fluid reservoir geomechanics modeling anisotropy synchrotron x-ray micro-tomography rutqvist evolution aperture micromechanical modeling ARMA 22 557 Micromechanical...

... orders magnitude over a long duration. fluid dynamics flow in porous media simulation hlw upstream oil & gas hydraulic fracturing fracture simulator fracture representation boundary tensile strength dissolution permeability university thmc simulation disposal cavity evolution...

... & mining slr bedding plane strength plane strength plane strength variation fabricate synthetic laminated rock structural geology orientation experimental investigation reservoir characterization tensile strength shale laminated rock cohesive strength brazilian tensile strength ARMA 22...

... ABSTRACT: A practical method determining five elastic constants of a transversely isotropic rock is proposed by the uniaxial compressive strength test and the Brazilian test using specimens from a single-orientation core. The indirect tensile strength of the Brazilian test can be obtained...

.... The rock samples is unstable when loaded along the parallel BPs direction, the tensile strength decline significantly, which is about 20% of the tensile strength measured perpendicular to BPs. The brittleness of rock samples measured parallel to BPs is greater than that measured perpendicular to BPs...

... was used to establish parallel bond models with different micro parameters (tensile strength, cohesion and bond gap). The uniaxial compression test of coal and rock samples was carried out, and the influence of different parameters on the deformation and uniaxial compressive strength of samples...

... characterization upstream oil & gas north america government plane complex reservoir reservoir characterization hydraulic fracturing strength united states government metals & mining simulation shear strength large-scale direct shear test simulation tensile strength geometry niosh...

... structure representation tensile strength engineering specimen pore international journal ARMA 22 118 Influence of Grain Structure Representation on Bonded Block Models of a High Porosity Rock Chaurasia, A. Colorado School of Mines, Golden, CO, USA Walton, G. Colorado School of Mines, Golden, CO...

... wellbore tensile strength university wellbore design elliptical geometry cnt zheng well integrity zonal isolation influence carbon nanotube ozbayoglu comparison equation ARMA 22 117 The Influence of Elliptical-geometry Wellbore on Zonal Isolation Zheng.D. The University of Tulsa, Tulsa...

... - formation assembly is established to analyze the stress law of cement sheath. The integrity of the cement sheath is analyzed. The results show that the elastic modulus of cement is 6 GPa and the Poisson’s ratio is 0.17. The compressive strength and tensile strength of cement after cyclic loading are 90MPa...

...) calcite or feldspar minerals tend to be brittle but are very content can lead to a complex pore pressure system in the hard to fracture because of a large fracture rock. The Duvernay is known to be an extremely toughness/tensile strength. Alternatively, the Lambda- overpressured source rock (up to 20 kPa...

... tensile strength equation discrete element method stiffness agofack cement sheath propagation ARMA 21 1233 Numerical simulation of fractures propagation around the wellbore: Effect of the surrounding rock's stiffness Agofack, N. and Cerasi, P. SINTEF Industry, Petroleum department, Trondheim...