..., or complex-valued specific resistivities, or in unrealistic formation anisotropies for which λ = √ρ v/ρ h < 1 well logging klein-clavaud equation coefficient sd sh Upstream Oil & Gas resistivity anisotropy korvin transaction Well Log Analyst equation Reservoir Characterization log...

.... well logging shaly sandstone sandstone dual-salinity method petrofacies unit porosity evaluation dual-salinity measurement log analysis log analyst departure conductivity transaction characterization Upstream Oil & Gas intrinsic porosity exponent database Worthington equation...

..., Manuscript received by Editor July 1997; revised manuscript received November 1999. Geophysics Department, Faculty of Science, Cairo University, Giza, Egypt 0 2000 Society of Professional Well Log Analysts. All rights reserved. 148 PETROPHYSICS March-April 2000 QPSET: A Program for Computing Reservoir...

.... 1 11 1999 1 11 1999 1999. Society of Petrophysicists & Well Log Analysts Artificial Intelligence log analyst student Symposium well logging Spwla las log analyst november-december 1999 log analysis associate editor formation evaluation board of directors application...

... of a single forward run multiplied by the number of iterations. 1 11 1999 1 11 1999 1999. Society of Petrophysicists & Well Log Analysts well logging calculation iteration log interpretation transaction Upstream Oil & Gas inverted resistivity tool response resistivity...

... data. In a carbonate with isolated vugs, the cube data are best estimated by the hamionic or geometric averages, an outcome that is in accord with the connectivity of the pore system. 1 9 1999 1 9 1999 1999. Society of Petrophysicists & Well Log Analysts Upstream Oil & Gas...

... to complicate interpretation. 1 9 1999 1 9 1999 1999. Society of Petrophysicists & Well Log Analysts log analysis Upstream Oil & Gas induction tool Barber Modeling & Simulation AIT log geometry well logging log analyst Symposium Transaction interpretation resistivity...

... can be derived from a three-dimensional analytical model. In addition, for all values of p, many features of the T, distribution can be represented in terms of a one-dimensional (1 D) model pore space. 1 7 1999 1 7 1999 1999. Society of Petrophysicists & Well Log Analysts...

... band. 1 7 1999 1 7 1999 1999. Society of Petrophysicists & Well Log Analysts Upstream Oil & Gas log analyst application well logging impedance tool response frequency information unit interval manuscript impulse response conductivity conclusion resistivity...

... by a comparison with petrophysical properties measured on core samples collected from shaly sand sections in the same wells. 1 5 1999 1 5 1999 1999. Society of Petrophysicists & Well Log Analysts log analysis log analyst Artificial Intelligence Upstream Oil & Gas well logging...

... logging instruments that are desired to possess both deep radial investigation and high vertical resolution. 1 1 1999 1 1 1999 1999. Society of Petrophysicists & Well Log Analysts Upstream Oil & Gas Thickness conductivity well logging log analyst linearly independent...

... logging invasion log analyst variable grain size reservoir reservoir productivity prediction Republic 'll-lli LOG ANAI.YSI, VOL. 40, NO. I (JANUARY-PEBKUAKY, 1999); P. 24-32. 16 FIGS., 2 TABLES Productivity Prediction from Well Logs in Variable Grain Size Reservoirs Cretaceous Qishn Formation...

... 1 1999 1 1 1999 1999. Society of Petrophysicists & Well Log Analysts sea level vertical gravity gradient log analysis log analyst bhgm-derived density Upstream Oil & Gas vertical gradient école polytechnique reduction slab gravity gradient equation well logging...

... a different investigation depth. These shallow Array Laterolog (ALS) curves, combined with the ALD curve, can provide a full formation radial resistivity profile. 1 9 1998 1 9 1998 1998. Society of Petrophysicists & Well Log Analysts log analysis radial investigation Array...

... in SATORI resulted in saturation calculations that were much more accurate than SATORI. 1 9 1998 1 9 1998 1998. Society of Petrophysicists & Well Log Analysts Upstream Oil & Gas borehole incoherence saturation log analysis borehole correction diameter borehole diameter...

... based on a nonlinear relationship between log response and uranium concentration. 1 9 1998 1 9 1998 1998. Society of Petrophysicists & Well Log Analysts Artificial Intelligence log analysis well logging Treasurer gamma ray correction Spwla log response log analyst...

... affects resistivity and that different displacement processes can affect the fluid spatial distribution and, hence, the resistivity. Thus, the estimation of water saturation must always be treated with caution. 1 7 1998 1 7 1998 1998. Society of Petrophysicists & Well Log Analysts...

.... 1998. Society of Petrophysicists & Well Log Analysts Prudhoe Bay well logging oil-mud core log analysis log analyst Upstream Oil & Gas water saturation reservoir water woodhouse Richardson porosity plug resistivity accurate reservoir water saturation transition zone mccoy...

... zone and in Virgin formation. However, the inversion of resistively logs Into water-filled porosity remains heavily dependent on formation water resistively on many occasions, the log analyst has no direct measure of and the R,,, estimate that the analyst must make can introduce a high degree...

... in the formulation of an optimum perforation policy that avoids gas or potential gas-oil ratio (GOR) zones, thereby resulting in improved oil recovery. 1 5 1998 1 5 1998 1998. Society of Petrophysicists & Well Log Analysts Upstream Oil & Gas log analysis log analyst robert elphick...