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Keywords: electrical property
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Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5094
...ABSTRACT ABSTRACT Water saturation is a key reservoir property, which is usually calculated from resistivity logs with Archie's equations. Due to a variety of pore types and complex pore spaces, understanding the electrical properties of carbonate formations is of great challenging...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-VVVV
... and further application of the LWD permittivity and dispersion will be discussed. INTRODUCTION This paper is based on the view that information about electrical permittivity is hidden in LWD resistivity measurements and can be extracted and used. Electrical properties to a formation determine its response...
Proceedings Papers

Paper presented at the SPWLA 56th Annual Logging Symposium, July 18–22, 2015
Paper Number: SPWLA-2015-V
... well logging exponent residual intergranular pore electrical property water saturation kaolinite Upstream Oil & Gas pore porosity pore space sandy conglomerate pore geometry log analysis resolution micro ct intergranular pore micro pore tight sandy conglomerate conglomerate...
Proceedings Papers

Paper presented at the SPWLA 51st Annual Logging Symposium, June 19–23, 2010
Paper Number: SPWLA-2010-26460
...SPWLA 51st Annual Logging Symposium, June 19-23, 2010 1 ON THE ELECTRICAL PROPERTY OF LOW POROSITY AND LOW PERMEABILITY SANDSTONE RESERVOIRS WITH WELL- DEVELOPED SECONDARY PORE SPACE Changxi Li1, Liangmin Tang2, Falong Hu1, Cancan Zhou1, Yujiang Shi3, Chengwen Xiao4 1. Research Institute...
Proceedings Papers

Paper presented at the SPWLA 51st Annual Logging Symposium, June 19–23, 2010
Paper Number: SPWLA-2010-97081
..., in proportion to its volumetric proportion. Clays also suppress resistivity and cause dispersion, but the frequency and salinity dependence is distinct from that of pyrite. log analysis frequency spwla 51 plug Symposium well logging electrical property porosity pyrite content pyrite grain CT...
Proceedings Papers

Paper presented at the SPWLA 50th Annual Logging Symposium, June 21–24, 2009
Paper Number: SPWLA-2009-18523
... well logging electrical property porosity Wamsutter field Almond log analysis Upstream Oil & Gas fluid saturation tight gas reservoir lower almond tight gas upper almond sandstone grain density Symposium Reservoir Characterization complex reservoir gas reservoir Almond...
Proceedings Papers

Paper presented at the SPWLA 50th Annual Logging Symposium, June 21–24, 2009
Paper Number: SPWLA-2009-80919
... Electrical properties of rocks are important parameters in reservoir evaluation. There are some micro-factors that have great effect on electrical properties, such as wettability, grain size and pore structure. It is difficult to study the impacts of those factors on the electrical properties...
Proceedings Papers

Paper presented at the SPWLA 48th Annual Logging Symposium, June 3–6, 2007
Paper Number: SPWLA-2007-CCC
... Artificial Intelligence electrical property experiment Reservoir Characterization optimization problem spwla 48 micro electrical property conductivity procedure well logging frequency permittivity extract log analysis effective permittivity University Symposium relative...
Proceedings Papers

Paper presented at the SPWLA 46th Annual Logging Symposium, June 26–29, 2005
Paper Number: SPWLA-2005-AAA
..., which can quantify shale, clay and silt as well as their effects on logs, are required for obtaining accurate shaly sands evaluation from logs. In clean-sand core, accurate measures of porosity, permeability and electrical properties are obtainable and can be sufficient for evaluating clean sands from...
Proceedings Papers

Paper presented at the SPWLA 38th Annual Logging Symposium, June 15–18, 1997
Paper Number: SPWLA-1997-ZZ
...SPWtA 38th Anaurl Logging Symposium, Juoe E-1%,1997 ELASTIC AND ELECTRICAL PROPERTIES OF COARSE SAND UNDER THREE-PHASE FLUID SATURATION G. Yu*, L. Leung , and K. VozoffO * Western Atlas Logging Services, 10201 Westheimer, Houston, Texas 77042 + BHP Research, Newcastle Laboratories, Newcastle, N.S.W...
Proceedings Papers

Paper presented at the SPWLA 37th Annual Logging Symposium, June 16–19, 1996
Paper Number: SPWLA-1996-C
... ABSTRACT Pore geometries can be classified according to their electrical properties. Three main classes of conducting geometries are identified: ?Archie? rocks having a simple intergranular pore system similar to the rocks described by Archie (1942); rocks with isolated porosity...
Proceedings Papers

Paper presented at the SPWLA 36th Annual Logging Symposium, June 26–29, 1995
Paper Number: SPWLA-1995-LL
.... They represent different electrical properties which relate to the two predominant pore structures of sandstone-"network-like" and "pseudo capillary bundle like". It was also concluded in the paper that the electrical characteristics should be same if the pore structure of the reservoirs is not significantly...
Proceedings Papers

Paper presented at the SPWLA 34th Annual Logging Symposium, June 13–16, 1993
Paper Number: SPWLA-1993-HH
... log analysis Pore System water content linear relationship electrical property water saturation conductivity electrical efficiency spwla 34th Upstream Oil & Gas correlation sandstone factor-porosity relationship Archie pore geometry equation well logging Efficiency porosity...
Proceedings Papers

Paper presented at the SPWLA 31st Annual Logging Symposium, June 24–27, 1990
Paper Number: SPWLA-1990-M
... Upstream Oil & Gas well logging log analysis Reservoir Characterization electrical resistivity borehole conductivity spwla 31st basement Pezard fracture conductive structure New York oceanic crust porosity Symposium resistivity Becker electrical property dll measurement...
Proceedings Papers

Paper presented at the SPWLA 29th Annual Logging Symposium, June 5–8, 1988
Paper Number: SPWLA-1988-K
... ABSTRACT Research carried out by the authors at the University of Texas at Austin has shown that the wettability characteristics of consolidated sandstones have a pronounced effect on the electrical properties they exhibit. Normal application of the Archie equation can lead to large errors...
Proceedings Papers

Paper presented at the SPWLA 26th Annual Logging Symposium, June 17–20, 1985
Paper Number: SPWLA-1985-M
... electrical property well logging equivalent circuit impedance Reservoir Characterization Upstream Oil & Gas resistance frequency dependence frequency response capacitance interface polarization pore space equivalent electrical circuit electrical response sample electrode interface...
Proceedings Papers

Paper presented at the SPWLA 22nd Annual Logging Symposium, June 23–26, 1981
Paper Number: SPWLA-1981-BB
... and the geologic section. In the resistivity survey, boundaries between dif- ferent layers are indicated by resistivity contrast rather than by other factors used by geologists. Many of these geological factors were found to have no effect on the electrical properties of rocks. The different electrical properties...
Proceedings Papers

Paper presented at the SPWLA 21st Annual Logging Symposium, July 8–11, 1980
Paper Number: SPWLA-1980-T
... ABSTRACT Electrical properties of materials are determined by the motion of charge or charged particles in response to a force. Frequency-independent electrical resistivity is a result of simple charge transport with no complicating particle interactions beyond the level of simple scattering...
Proceedings Papers

Paper presented at the SPWLA 16th Annual Logging Symposium, June 4–7, 1975
Paper Number: SPWLA-1975-B
... ABSTRACT Recent laboratory data show that measurements of electrical properties of cores are subject to error if they are made before the rock and its saturating fluid reach equilibrium. These measurements are used to determine the formation factor and desaturation exponent, which relate core...
Proceedings Papers

Paper presented at the SPWLA 7th Annual Logging Symposium, May 9–11, 1966
Paper Number: SPWLA-1966-U
... wisconsin log analysis electrical property iron range metals & mining Upstream Oil & Gas magnetic susceptibility log porosity drill hole magnetic susceptibility polarization geological survey well logging Susceptibility slate voltage mineral deposit magnetite exploration drill...

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