... of the rock. Their coefficients and variable exponents physically represent tortuosities, which respond to the magnitude of "corner" angles and reflect the change in direction of the bulk of the flow. In hydraulic flow, the variable exponent reacts to both viscosity and change in direction...

... such as effective permeability, radial flow steady state damage/stimulation skin effect, and non-Darcy flow coefficient. In the specific case where the deliverability performance of a vertically fractured well is considered, estimates of the effective fracture half-length and average fracture conductivity may...

... kaufmann publisher coefficient algorithm fracture complex reservoir well test characterization derivative conference Introduction Actual reservoir characterization through well tests requires automatic techniques to accurately interpret pressure transient data. Thus, given an appropriate...

... and Potassium concentrations depending on their particular geometric parameters such as NaI crystal size and thickness of the collar material surrounding the detector. To determine this sensitivity, an overall sensitivity coefficient is calculated for each tool at the time of calibration in a pit of known...

... diffusion coefficient Rasmussen equation formation damage diffusion equation reservoir simulation coefficient convenience reservoir characterization spe 104027 enhanced recovery capillary diffusion equation capillary diffusion coefficient Introduction The distribution and shape...

... for the effects of the flow regime in the evaluation of the minimum gas velocity for continuous liquid unloading. The drag coefficient as a function of a spherical particle (liquid droplet) in a flow stream can be obtained from the graphical presentation in Fig. 1 . A set of correlations has been developed...

..., such as the diffusion coefficient, and skin coefficient and thickness, are determined. Artificial Intelligence Civan complex reservoir Upstream Oil & Gas hydraulic fracturing transfer function coefficient matrix block matrix-fracture interface fluid transfer cil Morrow Rasmussen fractured...

... characteristics are used to calculate several reservoir parameters, including the storage capacity ratio, interporosity flow coefficient, permeability and pseudo-skin. Equations have been developed for calculating the skin for three partial completion cases: top, center and bottom. The analytical solution...

... on the pressure derivative is well defined. Analytical equations are derived in all three cases for calculating permeability, skin, storage capacity ratio and interporosity flow coefficient, without using type curve matching. In naturally fractured reservoirs, the matrix pore volume, therefore the matrix...

.... thermal method combustion front separation distance coefficient oxidation upstream oil & gas steam-assisted gravity drainage enhanced recovery injection rate oil sand hto front spe 91957 injection velocity equation heat loss fuel density propagation activation energy front velocity...

... Abstract In this work the effective molecular diffusion in homogeneous porous media was studied. An experimental setup was constructed to measure the effective molecular diffusion coefficient in packed unconsolidated sands, which allowed to take samples of fluids at different positions...

...-flow is investigated by means of the hydraulic diffusivity coefficient, determined by correlating the experimental data by means of the new models. This study reveals that there is a strong relationship between the petroleum recovery factor and the diffusion coefficient. The analytical models...

... for each model within the concept of dual-porosity. The comparison provides important understanding and interpretation to the complex model parameters. reservoir simulation geomechanics relation stress coefficient spe 59043 porosity effective stress coefficient chen assumption fracture...

... oil & gas temperature profile flowrate product flowrate product arrival temperature injection flowrate wellhead piping design injection mass flowrate mass flowrate spe 58971 flowline bundle production control simulator insulation heat transfer coefficient production monitoring...

... fracturing surfactant solution molecular diffusion permeability dilute surfactant ior spe 59009 complex reservoir surfactant transfer society coefficient Introduction Where D is the effective binary molecular diffusion coefficient between the miscible displacing and displaced fluids. C 1...

... measurement equation characterization method diameter coefficient specific gravity expansion factor discharge viscosity mancilla spe 59034 society calculate recommendation gravity analize orifice metering system Introduction For a given gas flow rate and flowing conditions it is possible...

... reservoir simulator sample 1 modeling & simulation hydraulic fracturing spe 59044 convection evolution reservoir characterization consequence bubble point pressure nitrogen pvt model equation of state matrix composition pressure coefficient Introduction Presentation of Cantarell...

... heterogeneity experiment 1 coefficient viscous fingering unstable displacement simulation enhanced recovery SPE 39882 Society of Petroleum Engineers Unstable EOR Displacements and Their Prediction Using the KarhunenLoeve (K-L) Decomposition R.B. Gharbi, SPE, N. Smaoui, Kuwait University, and E.J...

...; and guidelines for identifying tests that are simply invalid as reported because of incorrect shut-in times and missing initial shut-in pressures. P. 389 shut-in time falloff test storage coefficient test data interpretation drillstem/well testing coefficient high wellbore storage coefficient...

... waterflooding, but would also simplify and aid simulations involved in sensitivity studies, history matching, and stochastic studies. Application of the parametric groups to field-scale dual porosity modeling is also shown. P. 61 anisotropy index diffusion coefficient capillary pressure late-flow...