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Keywords: water saturation
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Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192353-MS
... law becomes invalid and any estimate of water saturation using Archie's equation will most likely yield erroneous results. Many scholars and researchers have attempted to come up with models linking well logs and laboratory data to estimate water saturation in complex pore systems. To appropriately...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192218-MS
... interaction properties, using contact angle measurements on both sandstone and carbonate model surfaces. Furthermore, we investigated the effect of the additive on the capillary pressure properties and remaining water saturations on sandstone and carbonate rocks. To maximize the generality of the results we...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192224-MS
... Abstract Petrophysical models are used to estimate formation water saturation and salinity from dielectric dispersion data. These models are sensitive to other attributes of the formation such as wettability. Previous studies, analyzing different parameters of dielectric petrophysical models...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192423-MS
... Abstract Rocks can be classified as "Archie" or "non-Archie" types depending on the relationship between pore geometry, resistivity, and porosity. Carbonate reservoirs have complex pore networks and Archie's law cannot be applied to estimate the water saturation in these types of reservoirs...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192240-MS
... resonance (NMR), dielectric, and spectral gamma ray]. It is challenging to calculate accurate porosity and water saturation values of source rock reservoirs using conventional log data. The presence of kerogen and complex mineralogies, such as conductive minerals, increases the difficulty. Because...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192254-MS
.../rock systems at various saturation states and wettability alteration monitoring and optimizing during different oil mobilization processes. frequency water saturation affinity carbonate reservoir carbonate sample crude oil saturation nmrd curve saturation complex reservoir mineral oil...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192307-MS
... Abstract Possibly the most underrated petrophysical parameter, the importance of water saturation cannot be emphasized enough with a whole range of petrophysical as well as reservoir engineering computations being dependent on its accurate determination leading to vital field development...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 24–27, 2017
Paper Number: SPE-187991-MS
..., whether we use coarse grid-blocks or fine grid-blocks in simulation. The approach is based on the correction of laboratory relative permeability data, using the shock front water saturation (S wbt ) obtained from fractional flow curve. S wbt is the water saturation at the contact point between a tangent...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 24–27, 2017
Paper Number: SPE-188000-MS
... water saturation oil-wet system sulfur deposition distribuion perforation saturation society of petroleum engineers liquid saturation permeability elemental sulfur Introduction Sour gas reservoirs are those reservoirs with high content of Hydrogen Sulfide (H 2 S) and/or elemental sulfur...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 24–27, 2017
Paper Number: SPE-188028-MS
.... electrical property dielectric measurement stearic acid well logging concentration water saturation depolarization factor log analysis dielectric dispersion data variation Soltrol wettability wettability alteration wettability state Upstream Oil & Gas mnparameter dielectric permittivity...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 24–27, 2017
Paper Number: SPE-188065-MS
... analysis to obtain a better estimate of water saturation in uninvaded zone. Thus, the integration between nuclear logs and dielectric measurements enables the direct estimate of producible hydrocarbon. Conventional core analysis was used to categorize different rock types in this reservoir by using...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 24–27, 2017
Paper Number: SPE-188143-MS
... formation evaluation measurements from a carbonate reservoir in Saudi Arabia. well logging electromagnetic survey log measurement petrophysical joint inversion complex reservoir water saturation porosity log analysis carbonate reservoir rock property inversion Reservoir Characterization...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 24–27, 2017
Paper Number: SPE-188118-MS
... production penetration depth oil sand Upstream Oil & Gas microwave heavy oil reservoir cumulative oil production microwave well steam-assisted gravity drainage power level enhanced recovery frequency water saturation temperature contour map reservoir thermal method microwave frequency...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 24–27, 2017
Paper Number: SPE-188146-MS
... and coring can be optimized in the future to increase the certainty of ROS measurements. Upstream Oil & Gas saturation measurement Saudi Arabia saturation log analysis water saturation porosity co2 injection formation tester Exhibition oil saturation movable oil core sample resistivity...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 25–28, 2016
Paper Number: SPE-182768-MS
..., providing more robust saturation maps compared to current practices. approximation Gaussian quadrature output parameter Upstream Oil & Gas water saturation petrophysical interpretation Artificial Intelligence quantification recovery factor permeability realization PCM expansion Marsala...
Proceedings Papers

Paper presented at the SPE Saudi Arabia Section Annual Technical Symposium and Exhibition, April 21–23, 2015
Paper Number: SPE-177975-MS
... measuring both permittivity and conductivity at multiple frequencies has enabled petrophysicists to evaluate the petrophysical properties in various complex environments. The combination of dielectric with other conventional logging measurements had been utilized in many wells to determine water saturation...
Proceedings Papers

Paper presented at the SPE Saudi Arabia Section Annual Technical Symposium and Exhibition, April 21–23, 2015
Paper Number: SPE-178018-MS
... pores. This causes the critical water saturation and the irreducible water saturation to be high in tight formations ( Mahadevan et al, 2007 ). Tight gas reservoirs may have normal initial water saturation (S wi ~ S wc ) or in some cases sub-normal (S wi S wc ) as shown in Figure 1 , due to water...
Proceedings Papers

Paper presented at the SPE Saudi Arabia Section Technical Symposium and Exhibition, April 21–24, 2014
Paper Number: SPE-172209-MS
... from the cores, Fig-4a . On the other hand, the resistivity derived water saturation was over estimating the water saturation, Fig-4b . This can be explained by the large uncertainty in the resistivity derived saturations in low salinity environments. The eight water samples collected through...
Proceedings Papers

Paper presented at the SPE Saudi Arabia Section Technical Symposium and Exhibition, April 21–24, 2014
Paper Number: SPE-172199-MS
... permittivity measurements. Four fully water saturated Carbonate core plugs were centrifuged at small pressure steps to gradually reduce their water saturation. In each step the resistivity and dielectric permittivity of the cores were measured. One of the four plugs was also studied using low frequency NMR...

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