.... Daubechies wavelets were selected for their effectiveness in representing complex functions, allowing for a detailed decomposition of pressure signals. The methodology developed includes energy distribution plots, using discrete wavelet coefficients to decompose pressure signals into high-pass and low-pass...

...-Parsons heterogeneity coefficients and vertical-to-horizontal permeability ratios. The impacts of residual water and mobile water saturations, with and without the effect of CO 2 and CH 4 solubility, were also studied. Approximate Peclet numbers were calculated to quantify the interplay between...

... reduction completion brine formation water lubricity friction coefficient efficiency formation damage lubricity coefficient completion fluid phase separation compatibility enhanced drag reduction interaction extended-reach well petroleum engineer cabr brine Introduction Extended...

... chemistry oilfield chemistry wax inhibition asphaltene deposition hydrate remediation scale remediation flow assurance wax remediation paraffin remediation deposition co 2 concentration asphaltene precipitation model coefficient asphaltene deposition behavior injection production well...

... carbonate reservoir dataset resistivity coefficient gharif reservoir new custom ensemble model xgboost model input feature Introduction Artificial intelligence techniques have gained attention for addressing complicated non-linear issues in the oil and gas industry and developing reservoirs...

... stress fault plane fault reactivation fault seal integrity evaluation yh block coefficient mpa fluid pressure evaluation index slip instability trap fill level indicator storage facility correlation Introduction The opening and sealing of faults play a decisive role in the process...

... compressibility coefficient nfr compressibility value pore pressure compressibility correlation effective stress interference test mexico information fractured reservoir rock compressibility value Introduction The Naturally Fractured Reservoirs (NFR) located in Mexico are branded to have...

... average coefficient producer correlation analysis variation wellhead temperature production characteristic polygon production polygon injection gini coefficient feature variable production rate individual injector oil production steam injection Introduction Thermal Recovery...

... to the average of μ p o l 0 and μ H 2 O γ ˙ is the equivalent shear rate. (s-1) The half viscosity terms (shear rate coefficient and exponent term), described in Equation 4 are used to calculate the shear at which polymer impact has been reduced by 2 (3...

... challenging operation. drilling operation particle artificial intelligence drilling fluids and materials prediction fiber concentration viscosity spherical particle university accuracy algorithm coefficient correlation directional drilling machine learning dataset database random forest...

... Regressor (XGBR), were selected. Hundreds of tests were performed on each algorithm to optimize the parameters and hyperparameters, based on mean absolute error, average residual, and determination coefficient. The study developed a model with two levels to predict the lifespan of ESP before installation...

... operation drilling fluids and materials mudstone shear fracture bedding coefficient compressive strength structural geology complex reservoir hydraulic fracturing reservoir characterization hydration parallel-bed shear fracture wellbore stability improvement experiment characteristic...

... subsea system frequency sustainable development amplitude viv vibration frequency regime vortex vortex-induced vibration interaction mesh stiffness vortex shedding simulation coefficient mitigation Introduction Vortex-induced vibration (VIV) study of any offshore structure...

... cutoff permeability indicator drilling measurement variation coefficient permeability variation mobility Completion Design Optimization There are multiple challenges associated with optimizing completion design for carbonate reservoirs. As carbonate reservoirs are known to be fractured...

... accuracy for the artificial neural networks model. sedimentary rock geologist structural geology clastic rock rock type mudrock elkatatny machine learning functional neural network model well-b well logging predictability drilling operation sandstone log analysis mahmoud coefficient...

... mudrock permeability evolution geology mudstone permeability organic-rich rock rock type journal flow in porous media international journal aperture cleat fracture aperture creep deformation coal shale variation engineering expression diffusion shrinkage coefficient Introduction...

... of it changes with temperature and the changing rate can be quantitatively controlled. As the acid flows in wellbore, the diffusion coefficient of H + and therefore the acid-rock reaction rate gradually increases while it is being warmed by wellbore. A model describing the change of viscosity and H + mass...

... porosity. τ = 1 Dσ Where: D - diffusion coefficient; -Matrix cell shape factor, which depends on the shape and size of the matrix cell; For the triple medium model system, the cell shape coefficient is: σ = 4 K xm Δ x 2 + K ym Δ y 2...

... to obtain maximum yield and economic benefits. flooding polymer experiment resistance geology chemical flooding injection displacement equilibrium enhanced recovery coefficient utilization polymer flooding gel viscosity polymer oilfield geologist chemical flooding methods reservoir...

... estimated E static for the training data set with a very low average absolute percentage error (AAPE) of 0.46%, very high correlation coefficient (R) of 0.999 and coefficient of determination (R 2 ) of 0.9978. And the E static values of testing data set were estimated with AAPE, R, and R 2 of 1.46...