... Reservoir Characterization classification true resistivity Upstream Oil & Gas Simulation basin geometry log analysis Thickness analogue Symposium turbidite ainsa 1 resistivity lithofacies deposit well logging outcrop porosity spwla 49th integration Abstract...

... well logging log response resistivity response curve separation Upstream Oil & Gas spwla 48 log analysis modeling variation sandstone Symposium resistivity borehole inversion hole size true resistivity eccentricity effect resistivity measurement separation resistivity data...

... range is 0.1 ohm meters to 3000 ohm meters in all mud types. Details of the design are presented along with well logging data. log analysis attenuation accuracy true resistivity mhz phase accuracy phase accuracy Upstream Oil & Gas inch diameter propagation resistivity tool high...

... boundary Symposium well logging lateral true resistivity normal component log analysis thin bed lateral response derivative component interpretation Upstream Oil & Gas log analyst uniform medium inversion resistivity lateral tool electrode spwla 38th apparent resistivity SPWLA...

...-rn. well logging laboratory resistivity measurement contactless probe machine learning Upstream Oil & Gas communication Probe Symposium Artificial Intelligence pore voltage measurement system spwla 34th log analysis frequency true resistivity inversion resistivity...

... 16 ft thickness (along hole depth). Figure 1 b shows the results for the laterolog-shallow. The inverse-filtered logs are found to oscillate around the correct true resistivity. The severity of these oscillations increases with dip. As a practical approach to reduce the magnitude...

... for several years, and is now operational. well logging true resistivity conductivity Symposium log analysis anomaly SPWLA Thirtieth continuous induction log formation conductivity resistivity resolution eddy current inversion correction Upstream Oil & Gas pulsed power induction log...

... ABSTRACT Skin-effect correction and three-point deconvolution are commonly applied to the induction sonde signals. The original objectives are to make the apparent resistivity reading closer to the true resistivity of the formation and to improve the vertical resolution of the induction sonde...

... Thickness apparent thickness conductivity resistivity curve Upstream Oil & Gas true thickness correction chart dip angle well logging true resistivity resistivity reading Symposium log analysis Induction log induction sonde apparent resistivity resistive bed bed boundary...

... ABSTRACT Numerous algorithms have been proposed for the determination of true resistivity and depth of invasion, using data from resistivity or conductivity measuring tools, with differing depths of investigation. Very often these algorithms result from the "best fit" of the Tornado Charts...

.... G ABSTRACT The methods are presented for determining the relation of porosity to formation factor and that of true resistivity of formation to water saturation, which were investi- gated through the log interpretation of one of oil and gas fields of northern Japan Sea. The values of a and m...

... true resistivity permeability bedding pore geometry SPWLA SIXTEENTH ANNUAL LOGGING SYMPOSIUM, JUNE 4-7, 1975 EFFECT OF BED THICKNESS AND PORE GEOMETRY ON LOG RESPONSE Dan J. Hartmann ABSTRACT The proper evaluation of log data requires an expertise which has not yet been captured in the exquisite...

... ABSTRACT Many low to medium porosity reservoirs exhibit wide variations in true resistivity due to complex lithologies and high sensitivity to formation factor. These reservoirs are frequently cored conventionally in order to obtain more reliable reservoir information for proper completion...

... true resistivity focus log departure curve resistivity electrode FOCUS LOG GEOMETRICAL FACTORS Hughes M. Zenor*, John J. Zenor** and Arthur H. Youmans * ** Director of the University of Missouri at Rolla Geophysical Observatory; Consultant to Lane-Wells Company. Department of Mathematics...

... solely from well logs. Experience has shown that reservoir rock porosities and water saturations can be reliably calculated from electrical, radioactivity and acoustic logs. The interpretation is based on an empirical formula relating true resistivity, formation resistivity factor, interstitial water...