... injection capillary (MICP), the lithofacies, texture facies, and pore facies were classified based on the minerals from gamma-ray spectroscopy, the textures from borehole image, and the pore sizes from NMR. The combination of these three facies represents the reservoir quality. In the study area...

... properties but do not provide quantitative estimates of the subsurface uncertainties. The objective of this study was to carry out a facies dependent geostatistical seismic inversion to generate multi-realization reservoir properties to improve the geological understanding of the two adjacent offshore fields...

... an additional channel distribution. The relationship of high porosity with low acoustic impedance appeared mostly in the channel facies which reflects good reservoir quality grainstone channels. Outside these channels, the rock is heavily mud filled by peritidal carbonates and characterized by a high acoustic...

... petrophysical time volumes in the interval of interest are obtained. Properties are used initially to generate a geological facies model. Subsequently, facies and seismic properties are used for the three-dimensional distribution of petrophysical properties such as: rock type, porosity, clay volume...

.... As such it overcomes the prohibitive hurdles of the past that often have led to simplifications necessary to save time and effort. The result is better decision quality in resource development decisions. geologic modeling geological modeling Reservoir Characterization Upstream Oil & Gas facies reservoir...

... Abstract This paper discusses the use of a novel data-driven method for automated facies classification and characterization of carbonate reservoirs. The approach makes an extensive use of wireline and while drilling electrical borehole image logs and provides a direct and fast recognition...

... Upstream Oil & Gas classifier information well logging classification facies machine learning Artificial Intelligence reservoir rock type SOM society of petroleum engineers porosity petrophysical group permeability geological facies prediction rock type log data reservoir rock...

... of strong domain expertise, coupled with advanced technologies and workflows, has led to outstanding results. Modeling & Simulation waterflooding enhanced recovery exploitation philosophy main structure reservoir pressure new well Oil Accumulation basal tena reservoir producer facies...

... uncertain facies proportion distributions which has been produced by stochastic inversion of seismic information was the way to enrich and ameliorate the method. These proportions have been used as the base of truncation procedure in TGS. In this work we showed how to use geological and geophysical based...

... trajectory water saturation sensitivity ADCO Modeling & Simulation fluid flow simulation facies porosity salahuddin Introduction The optimum reservoir development strategy should focus on maximizing recovery, sustain production rates, and mitigating risk. A detailed distribution...

... facies related dolomitization and its selective influence on the reservoir quality enhancements. The framework of the study is based on detailed petrographic examination and description of 850 thin sections, isotopic compositions (C, O, Sr) of selected samples; and fluid inclusion microthermometry...

... microfacies wackestone facies inner ramp diagenesis permeability Fluid Dynamics packstone Sadi Formation characteristic limestone Introduction H Oilfield, discovered in 1976, is located in the Missan province, 35 km to the southeast of Amara City and 400km to Baghdad. The oilfield is located...

... Intelligence Fluid Dynamics Proportion spatial distribution obg facies high permeability streak porosity lithofacies validation capillary pressure diagenetic process facies sequence stratigraphy carbonate reservoir depositional environment water saturation interpretation RRT Introduction...

... Abstract Carbonate reservoir characterization is often a complex task, due to the interplay between primary processes (e.g. depositional environments, facies changes) and secondary processes (e.g. burial, diagenesis, faulting and fracturing, cementation). In order to properly characterize...

... the interpretation of seismic sections and amplitude maps. Reservoir modeling consisted of Object-Based and Multi-Point Facies Simulation (MPFS) approaches. A sensitivity analysis was carried out to define critical parameters and their ranges in order to fully capture geological uncertainties and realize different...

... calculation at the interwell areas. Variograms for SGS are calculated using porosity up-scaled logs within each facieses. The integration of well logs, seismic attributes and facies for porosity modeling honors the well logs, the boundary of the facies distribution and lateral seismic attributes through...

... of deposition, the architecture of the reservoir, the stratigraphy in the area and establishing the correlation with the hydraulic units present. In every field there is always an interrelation between the facies, no facie is isolated. The sediments are contemporaneous therefore they are equivalent...

..., geologically-driven and derived from the relationships between karst, depositional facies, and proximity to fault/fracture zones. In addition to the initial depositional model, three diagenetic phases and bitumen deposits are modeled successively in order to restore the complex spatial relationship existing...

... facies variation. Lower Burgan sands are more significant and blocky in nature with little variations in their properties. Reservoirs geometry, their heterogeneities and structural setting are the key issues for the development of the reservoirs. The geostatistical methodology used to simulate a high...

... . The approach consists in: 1) building a fine scale grid whose size is consistent with the well test investigation radius, 2) populating the grid with facies and petrophysical characteristics observed at the well, and 3) up-scaling the fine scale grid so as to compare the upscaled anisotropy ratio K v /K h...