... or from asphaltene depositon need to be isolated. If the additional pressure drop due to fines migration is left untreated, it can accelerate the time frame to shear failure, especially if it's accompanied with free water production. Based on the formation and field type, a threshold on the DP-skin should...

... of shear failure, tensile failure and compressive failure from Mohr-Coulomb theory and strain-hardening/softening. Once the failure criteria are met, an algorithm for entrainment of the sand based on the calculation of hydrodynamic forces is implemented to predict sand erosion and transport. Dynamic mesh...

... dynamics drill collar drilling operation Upstream Oil & Gas radial displacement Wellbore Design wellbore stability vibration mechanism string stabilizer rock strength wellbore proceedings collision displacement collar length wellbore inclination shear failure drillstring design drill...

... criterion and general equations for stress distribution around a hydraulic fracture. The paper shows that under favorable conditions the stresses induced by the growing hydraulic fracture can activate existing natural fractures by either tensile or shear failure. Natural fractures close to the hydraulic...

... & Simulation depletion shear failure full-field geomechanical model wellbore integrity Upstream Oil & Gas geomechanical model horizontal stress reduction reservoir reservoir geomechanics Wellbore Design pore pressure compaction pore-pressure depletion Drilling geomechanical simulation time...

... injection shapiro society of petroleum engineers pore pressure shear failure seismicity friction coefficient permeability estimation permeability Introduction Reservoir permeability is one of the most important characteristics of a reservoir which is used in the oil and gas industry as well...

... shear shale gas upstream oil & gas simulation plane shale oil oil shale pore pressure pressure change spe 159791 shear failure hydraulic fracture hydraulic fracture stimulation complex reservoir friction natural fracture evaluation shear stress microseismicity fracture friction...

... corresponding to changes in pore pressure) which reduces the differential pressures across the fracture face resulting in lower stress concentrations at the tip. Also the pore pressure increase in the process zone ahead of the tip suppresses tensile failure in favor of shear failure. In case of high efficiency...

... depletion shear failure cap surface reservoir geomechanics strength reservoir pressure stress state upstream oil & gas mechanism drawdown pressure reservoir characterization fracture buildup damage zone stress path spe 146419 pi degradation horizontal stress grid permeability...

... shear in layered or anisotropic media. It will present some modeling methodologies that place more emphasis on poroelasticity and Mode-II shear failure than current conventional fracture models. The need for investigation, and adoption, of these methodologies will be corroborated by diagnostic data...

... Abstract The method assumes a quasi-uniform volume of enhanced permeability during and after multi-stage fracturing of a horizontal well, and quantifies both injection permeability (by predicting shear failure and matching a microseismic pattern), and production permeability (by using rate...

.... This strategy also allows delivering maximum and minimum required values of any other variable, required to achieve stability for any of these combinations e.g. Minimum rock strength to prevent shear failure. Mathematically, this process is a systematical modification of a wellbore inclination and azimuth...

.... Remediation activities are conducted on fastener systems with greater than 0.25 inch stud shortfall. piping design calculation failure load assembly ring gasket strength shear failure engagement shortfall society of petroleum engineers Upstream Oil & Gas threaded assembly stud thread...

... Stresses induced by far-field, in-situ stresses. Stresses induced by the wellbore pressure. Flow induced stresses (poro-elastic stresses). Based on the stress distribution, we can determine the anisotropic stress tensor as well as where and when tensile or shear failure occurs...

... pressure around a fracture can cause shear failure. The likelihood of shear failure is charted against coal rank, for given in situ stress, and fracturing pressure. When coal fails in shear, coal fines are produced in the reservoir, as has been demonstrated in the lab. The creation and movement...

... takes place and how extensive if indeed it occurs. The model shows excellent agreements with experimental results in terms of borehole deformation and sanding rates. The model predicted initiation of shear failure from the sides of the borehole and its propagation to the top and sides of the sample...

... flowrate upstream oil & gas strength cohesion shear failure drawdown sand production prediction permeability production monitoring reservoir pressure Introduction While a great deal of work has been done in the general area of sand production 1 – 15 , approaches used to quantify...

... to demonstrate certain methods used for sand control. shear failure correlation selective perforation upstream oil & gas completion installation and operations tensile strength saudi arabia hydraulic fracturing sand characterization horizontal stress strength pressure drawdown sand control...

... stress. Three possible mechanisms have been proposed for this failure. Compressive (shear) failure occurs when the effective tangential or hoop stress at the perforation wall exceeds the strength of the material. This failure mode is induced by a combination of in situ stress and drawdown, which leads...

... injection of cross-linked guar and visco-elastic surfactant into 3,000 md sand samples subjected to different overburden stresses. The following is a summary of the findings: The experimental data suggest that "fracture" propagation in unconsolidated sand is primarily a result of shear failure...