... reservoir simulation calculation knowledge management modeling experiment imbibition upstream oil & gas saturation height modeling spwla 63 height modeling spwla-2022-0058 pfwl imbibition process reservoir characterization drainage adnoc onshore saturation rd annual logging...

... us government accuracy drilling measurement lwd calculation well trajectory boundary logging while drilling azimuthal resistivity lwd data spwla 63 rd annual logging symposium algorithm stochastic inversion drilling data acquisition upstream oil & gas well target vendor...

... of the important that the depth origin of the cuttings be cuttings return-trip may be underestimated from accurately determined. Traditionally, mud-loggers determine the depth origin of the sampled cuttings by systematic overgauge drilling, hole caving, or spiraling calculating the lag time required...

...), it clearly states that the distillation variance models to capture the water salinity effect and extraction technique is only valid for water saturation minimize the uncertainty in the calculation of core saturation. The first model uses a material balance to 1 SPWLA-2021-0032 SPWLA 62nd Annual Logging...

... (Sw) calculations and the determination and its effect on Sw calculations, using Stock Tank Oil Initially In Place (STOIIP) in the average values over a whole field is still a common Tambaredjo (TAM) oil field was analyzed. practice regardless of heterogeneity and wettability Core data were employed...

... reservoir characterization complex reservoir reserves evaluation shale gas upstream oil & gas log analysis estimates of resource in place resource in place estimate exponent calculation porosity maturity inorganic porosity holme well logging structural geology net oil gas...

... path optical configuration more commonly used. To enable a single-beam configuration for spectral measurements, a digital twin model of the spectrometer is used to compute a reference profile in real time. The technique uses specially designed channels, tailored to enable the calculation of a digital...

... or ignored the differences. Now we have a solution to reconcile both measurements. The maximum lost fluids are equivalent to the hydrocarbon-filled portion of the free porosity measured by a nuclear magnetic resonance log (NMR). The method for calculating the log-derived surface saturation, Sw_surface...

... well logging water saturation mineralogy Halliburton resistivity Upstream Oil & Gas shaly sand interpretation spwla 60 Symposium reservoir calculation porosity workflow interpretation equation log analysis resistivity anisotropy induction tool evaluation characterization...

... Log Analysts (SPWLA) and the submitting authors. This paper was prepared for presentation at the SPWLA 60th Annual Logging Symposium held in The Woodlands, TX, USA June 17-19, 2019. ABSTRACT Determining the potential of shale gas reservoirs involves an exhaustive process of calculating the volume...

... lithology and borehole fluids. Formation water salinity of different depths is calculated and comparing with sampling information to validate the effectiveness of this logging method. INTRODUCTION Formation water salinity is one of the crucial feature in the reservoir evaluation. Determination of formation...

... and the fluids distribution in the different stages can be seen. A software tool is implemented, which allows simulation and automatic history match of the experimental differential pressure, the oil production and the saturation profiles calculated with CT. This software is programmed in Matlab environment...

... pressures and temperatures is needed. This problem is solved by studying a database of 500 reservoir samples from around the world having compositional data and flash analysis available. A flash calculation package was used to compute the density at downhole conditions for these fluid mixtures...

... Reservoir Characterization log analysis complex reservoir shale gas mineral matrix machine learning downhole trend calculation Artificial Intelligence core measurement spwla 59 Symposium regression water saturation kerogen assumption absolute value free gas core data well...

... log analysis North Sea smectite sandstone Symposium well logging clay content spwla 59 coating clay mineral Reservoir Characterization Upstream Oil & Gas Fulmar reservoir porosity chlorite structural geology calculation reservoir quality morphology diagenesis illite...

... petrophysical uncertainty dependency Upstream Oil & Gas calculation porosity evaluation Artificial Intelligence single workflow spwla 59 workflow log analysis base case CPI vertical processing monte carlo processing iteration Symposium interpretation model interpretation SPWLA 59th...

... and/or permeability for that cell. For volumetric calculations and dynamic simulation applications it is quite common to upscale these parameters using an arithmetic averaging procedure. The question arises as to whether the average values derived in this way are the optimum values to use in saturation height models...

... the porosity and oil saturation calculations. Oil saturations are calculated from a basic Archie equation to avoid imposing assumptions that cannot be substantiated. The property model is populated by the outputs of the porosity and saturation calculations and propagated into a structural framework...

... in commercial laboratories are regularly done manually, and the extremely low fluid volumes often less than 0.1cc consequently carry what we consider to be a significant uncertainty. Completing the calculations using weights is the alternative, which also carries its own set of assumptions and limitations...

...SPWLA 57 th Annual Logging Symposium, June 25-29, 2016 1 ON UNCERTAINTY ESTIMATION AND USE OF FIRST ORDER ERROR PROPAGATION AS INTEGRAL PART OF PETROPHYSICAL CALCULATION Stein Ottar Stalheim, Statoil ASA Copyright 2016, held jointly by the Society of Petrophysicists and Well Log Analysts (SPWLA...