... history data assimilation pressure transient analysis journal model parameter exponential decay response function annual technical conference and exhibition standard deviation deviation exhibition gringarten field case rate history Introduction We can roughly divide the interpretation...

... prediction correction factor temperature comparison annular gap work effort heat transfer temperature delta standard deviation Introduction In a certain regions, there can be field developments with well installations in a given field ranging from several hundred to thousands in an effort...

... and standard deviation of the production data of each well. This notation follows the notation presented by Miller and Rice (1983) . f(x) = PDF of the lognormal distribution F ( x ) ≤ □ f × 0 ( x ) d x = CDF = CDF of the lognormal distribution 〈 x 〉 = E [ X N...

... repeatability and reproducibility in terms of standard deviations in accordance with ISO 5725-2. Uncertainty of measuring the ISO long-term conductivity of proppants was calculated in accordance with ISO 21748. The evaluation shows that conductivity and permeability values of ceramic proppant and natural sand...

... gradient obstruction regression model trouble stage algorithm gradient project owner prediction feature importance classification model standard deviation sand concentration tortuosity operator deformation Introduction From a very early stage in field planning, the operator...

... algorithm dataset reservoir surveillance neural network flow rate mpfm confidence interval test point society of petroleum engineers water cut measurement accuracy standard deviation Introduction Data coming from the oil and gas fields are employed in multiple applications: they are used...

... error yarranton Artificial Intelligence reference viscosity viscosity cross plot api 20 dataset heavy oil correlation average relative error predictive capability Standard Deviation society of petroleum engineers Introduction In reservoir studies, from material-balance calculations...

... . σ S 3 2 . 0 . . . . . 0 0 0 . σ Sn d 2 ] n d × n d Where, σ S1 , σ S2 , ……, σ Snd are the standard deviation that is function of the assumed error in both data and forward model and the value of each trace sample...

... and standard deviation of each economic performance metric when the range of possible values of the market drivers were put into consideration. It is expected that the outcome of this research would guide shale gas producers and private investors when considering a GTL investment to monetize their assets...

... reservoirs in the basin. well logging cement basin machine learning Upstream Oil & Gas correlation evaluation saturation Standard Deviation log analysis detector porosity Argentina resistivity TOC Artificial Intelligence information Bajo Barreal Formation PNL tool reservoir...

.../day. The porosity field is the only uncertainty considered. The global component of the porosity field has a mean of 0.25 and a standard deviation of 0.03. The local component of the porosity field has a zero mean, a standard deviation of 0.05 and a variogram range of 4000 ft. We first consider...

... & Simulation surfactant-polymer flooding Standard Deviation grid oil recovery factor heterogeneity measure society of petroleum engineers heterogeneity coefficient coarse grid fine-scale heterogeneity Introduction Chemical enhanced oil recovery (CEOR) is a technique aimed at increasing oil...

... these tests and background information on handling the cores are included. overburden stress uc value participant different test facility strength histogram plot plug test facility Completion Installation and Operations correlation porosity testing facility Standard Deviation Upstream Oil...

... to a reliable and safe application of expandable tubulars in well design and drilling operations. casing and cementing expansion process collapse strength ksi expandable grade pipe casing design strength collapse performance statistical analysis Standard Deviation Upstream Oil & Gas formula...

... drilling field test accuracy Drilling Equipment attitude error model latitude gyro survey drilling data acquisition gyro system Upstream Oil & Gas solid state gyro requirement pitch angle Standard Deviation gyro gdis error model azimuth drilling measurement drilling operation GDIS...

... simulations. We discuss the standard deviations of the predicted reservoir properties for different measurement noise levels and the effects of errors in the assumed reservoir fluid and solid properties (e.g., gas density, gas hydrogen index, kerogen density) on the accuracies of the predicted reservoir...

... tortuosity absolute permeability mean value porosity Modeling & Simulation correlation tortuosity tortuosity heterogeneity carbonate capillary pressure Upstream Oil & Gas experiment effective porosity relative permeability curve equation permeability Standard Deviation...

... Optimization Method optimal well location placement Standard Deviation Introduction Oil-rim reservoirs are typically wedged between a gas cap at the top and an aquifer at the bottom. However, they can be structurally and stratigraphically complicated by faults and sub-seismic stratigraphics baffles...

... mismatch” in each simulated case. In commonly applied Bayesian approaches, this data mismatch is defined by calculating the difference between simulated and historic data normalized with a “standard deviation” and adding up these squared values. The normalizing standard deviations express a difference...

... evaluator forecast hindcast production data decline curve analysis Simulation reliable technology linear flow Standard Deviation machine learning Artificial Intelligence year cumulative production rate-time behavior coefficient type curve Introduction The nature of tight gas/tight oil...