... is essentially a measurement of the pressure gradient diffusion and it is applicable even for very low permeable materials. The technique applied to cuttings is described in this paper. Some limits are intrinsic in this technology: the measurement is feasible only if cuttings have at least few mm in diameters...

... them, and are of primary importance for the first evaluation of productive intervals and for their selection for testing, completing, etc P. 337 application dimension simulation fracture reynolds drilling fluid management & disposal analytical model hydraulic aperture rough fracture...

... Abstract Faced with significant operational problems, this paper describes how a novel application of computational mechanics was used to help to evaluate and gain insight into the stress distribution in the drilled rock volume above the Cusiana Field in the geologically complex foothills...

... geomechanics input parameter bottomhole pressure application simulation spe 47334 artificial intelligence horizontal well iteration borehole stability reservoir characterization modeling & simulation drilling operation poro-elastoplastic model sand production probability wellbore design...

..., induce a change of the rock failure. As they cannot be neglected at this solicitation scale for many geomaterials, they are a major stake of rock cutting. P. 153 maximum loading formalism mpa additional force application bit selection interpretation specific energy mechanism atmospheric...

... on supplementing core measured rock property data with open hole log measurements to obtain rock mechanical property estimates throughout the horehole. Log derived mechanical property estimates have lead to the development and worldwide use of the following applications: formation drillability assessment for bit...

..., elastic moduli and fracture strength parameters and the intetpretation of these mechanical properties results into direct correlations with porosity. The application of these results to obtain continuous rock mechanical property plots of the reservoir from wireline derived porosity is discussed...

... flow in porous media approximation modeling & simulation compressibility osorio reservoir reservoir geomechanics stress-sensitive reservoir pore pressure fluid dynamics equation of state reservoir surveillance spe 47397 reservoir boundary production control application complex...

.... Successful application in the field of Rock Mechanics research depends not only on having an identified business need and the right technology to fulfill that need, but also requires a committment to dialogue between the researchers and the field. drilling operation information wellbore integrity...

... ABSTRACT A semi-analytic elastoplastic model predicting the onset of failure in wellbores subjected to in-situ stress and pore pressure fields is presented. The model also has sanding applications. Rock elastic behaviour is modelled as being linear, with the plastic response described by a non...

... lubrication equation application INTRODUCTION This paper is primarily concerned with the effect of fluid loss on a propagating hydraulic fracture in a linear elastic solid which is itself in a state of plane strain. Fluid loss to the formation is modelled by Carter's Law. Our starting point...

... determination injection polarization axis deflandre frequency fluid injection propagation permanent sensor upstream oil & gas application fracture mapping fracture sensor polarization analysis experiment hydraulic fracturing sonde spectrum dimension europe government log analysis...

... control reservoir characterization consolidation productivity wash production monitoring geological subdiscipline perforation tunnel spherical cavity application INTRODUCTION Recent advances in well completion technology are providing tools to help optimize well productivity by reducing...

... develop in a permeable formation. Example applications of the model to drilling and completing horizontal wells in a unconsolidated, bitumen-saturated sand and a weak, cemented sandstone are described. wellbore design equation application permeability shale mpa modeling & simulation...

... criterion sandstone upstream oil & gas localisation indicator simulation application localisation criterion netherlands government belgium government shear band localisation europe government weaker region finite element efficiency liege belgium robert department university science...

... Abstract The linear mechanics of porous rocks is summarized : basic equations – i.e. constitutive law and fluid mass balance – and most useful relationships are given. For reservoir engineering applications, the hydrostatic loading case is dealt with in detail. The conventional diffusivity...

... japan government hydraulic fracturing upstream oil & gas emission sandstone specimen meredith 12 geophy application crustal fluid microcrack relation asia government fracture intensity correspond crack-crack interaction main deformation experiment INTRODUCTION Fluids...

... ABSTRACT Basic concepts of fracture mechanics are discussed to analyze their applicability in modeling fracture initiation and propagation during hydraulic fracturing and waterflooding. Recent advances in modeling fracture initiation and quasi-equilibrium growth are reviewed. Special attention...

... to increase with increasing application of indentation stress. At the highest indentation stress levels the rate of change in velocities with added deformation is lower than at low stress levels. This observation is attributed to the closure of cracks and pore spaces at high stress levels. These results...

... fault creep). Applications of these concepts to the characterisation of fault behaviour are presented, with specific reference to lower order moment tensor analyses. In the mining environment a unique opportunity exists to verify moment tensor analyses by physical inspection of the sources of seismic...