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Keywords: clay content
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Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-SSS
... Reservoir Characterization Upstream Oil & Gas clay content Wolfcamp Symposium Delaware basin shale gas core analysis program Helium porosity porosity Permian Basin data mining plug sample organic matter spwla 59 pore space organic content analysis complex reservoir bone...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-QQQ
... log analysis North Sea smectite sandstone Symposium well logging clay content spwla 59 coating clay mineral Reservoir Characterization Upstream Oil & Gas Fulmar reservoir porosity chlorite structural geology calculation reservoir quality morphology diagenesis illite...
Proceedings Papers

Paper presented at the SPWLA 56th Annual Logging Symposium, July 18–22, 2015
Paper Number: SPWLA-2015-EEE
... hexane interaction clay content shale subcritical isotherm wettability SPWLA 56th Annual Logging Symposium, July 18-22, 2015 1 Selective Adsorptives to Study Pore Structure and Wetting Behavior of Self-resourcing Shales Sanyog Kumar, Colorado School of Mines, Manika Prasad, Colorado School...
Proceedings Papers

Paper presented at the SPWLA 54th Annual Logging Symposium, June 22–26, 2013
Paper Number: SPWLA-2013-AAA
... frequency clay content electromagnetic dispersion log analysis MHz dielectric permittivity conductivity Upstream Oil & Gas induction shale formation Symposium dielectric tool well logging Attenuation Resistivity electrical conductivity polarization resistivity broadband...
Proceedings Papers

Paper presented at the SPWLA 53rd Annual Logging Symposium, June 16–20, 2012
Paper Number: SPWLA-2012-250
... in 2005. shale gas Artificial Intelligence machine learning complex reservoir quartz concentration petrophysical property Reservoir Characterization Upstream Oil & Gas clay content concentration quartz correlation well 1 petrophysical characterization clay concentration thermal...
Proceedings Papers

Paper presented at the SPWLA 46th Annual Logging Symposium, June 26–29, 2005
Paper Number: SPWLA-2005-Q
..., porosity, and clay content data. Similar empirical equations derived for shaly sands of the Frio formation by Castagna et al. (1985): Cv p 21.242.981.5 (1) Cvs 04.207.789.3 (2) where the velocities sp vv , are in km/s, porosity, , and clay volume, C, are volume fractions. Han et al., 1986 produced...
Proceedings Papers

Paper presented at the SPWLA 44th Annual Logging Symposium, June 22–25, 2003
Paper Number: SPWLA-2003-S
... ABSTRACT Shaly sands may exhibit extremely low permeability values (< 10.3 mD). Low shale and shaly-sand permeabilities are controlled by shale/clay Content, type of shale distribution (i.e., laminated, dispersed, structural), porosity, and confining stress. Several models and empirical...
Proceedings Papers

Paper presented at the SPWLA 39th Annual Logging Symposium, May 26–28, 1998
Paper Number: SPWLA-1998-QQ
... from seismic data. We propose an algorithm for porosity estimation from P and S velocities using a send-empirical model that relates elastic wave velocities to porosity and clay content. The proposed model extends Krief's velocity-porosity model to account for the effect of clay content on elastic wave...
Proceedings Papers

Paper presented at the SPWLA 37th Annual Logging Symposium, June 16–19, 1996
Paper Number: SPWLA-1996-E
... to examine the relationships between lithology and a number of geochemical signatures, including gamma ray, the gamma ray components Th, U, and K and other loggable elements. The results show that in individual wells, gamma ray correlates roughly with total clay content, but a closer analysis exposes...
Proceedings Papers

Paper presented at the SPWLA 37th Annual Logging Symposium, June 16–19, 1996
Paper Number: SPWLA-1996-XX
... independent of confining pressure for the high permeability samples and clearly pressure dependent for the low permeability samples. flow in porous media impedance complex resistivity data kHz Reservoir Characterization Upstream Oil & Gas clay content permittivity well logging frequency...
Proceedings Papers

Paper presented at the SPWLA 36th Annual Logging Symposium, June 26–29, 1995
Paper Number: SPWLA-1995-K
... reservoir characteristics: porosities in between I8 and 23%, permeabilities from 250 to 2000 mD and 20% of clay content. From well-log analysis, gas shows and correlation with another wells, several intervals with hydrocarbons (Table I) were selected. With these data it was then defined a lot of drill stem...
Proceedings Papers

Paper presented at the SPWLA 36th Annual Logging Symposium, June 26–29, 1995
Paper Number: SPWLA-1995-H
..., these relationships break down in the presence of even limited amounts of clay mineral in the sandstone. Existing correlations between shear velocity, porosity and clay content appear to poorly represent the physics of acoustic transport in the rock. We propose a method to estimate total porosity in shaly sands from...
Proceedings Papers

Paper presented at the SPWLA 36th Annual Logging Symposium, June 26–29, 1995
Paper Number: SPWLA-1995-V
... Upstream Oil & Gas mixture model kuster geophysics clay content prediction Velocity Dispersion frequency transit time sandstone Reservoir Characterization Symposium p-wave velocity aspect ratio pore geometry laboratory measurement pore lithology porosity sand-clay mixture...
Proceedings Papers

Paper presented at the SPWLA 32nd Annual Logging Symposium, June 16–19, 1991
Paper Number: SPWLA-1991-K
... of the Waxman-Smits model proposed in this paper in- cludes a temperature coeficient (0) for the equivalent counter-ion conductivity associated with clay, which is a function of temperature and clay content, and a clay distribution coef- ficient (r) for the clay content (Qv). Th e v al ues for w as a function...
Proceedings Papers

Paper presented at the SPWLA 31st Annual Logging Symposium, June 24–27, 1990
Paper Number: SPWLA-1990-BB
... in 43 tight gas sandstones representing a wide range of porosity and clay content (.2 to 14 percent porosity and 0 to 66 percent clay). Pet- rography and porosity data were used to determine the microstructural arrangement of clay in the pore space allowing us to make the distinction between sandstones...
Proceedings Papers

Paper presented at the SPWLA 30th Annual Logging Symposium, June 11–14, 1989
Paper Number: SPWLA-1989-G
... with clay dispersed in the pore space whereas shale is modeled as a suspension of sand grains in a shaley matrix. Based on these geometries, we estimate the dependence of elastic, storage, and transport properties on clay content. Our model predicts the existence of a minimum for porosity and permeability y...
Proceedings Papers

Paper presented at the SPWLA 29th Annual Logging Symposium, June 5–8, 1988
Paper Number: SPWLA-1988-DD
... of such shaly sands appears abnormally low, resulting in serious underestimations of hydrocarbon potential when applying conventional methods of water saturation determination. A new analysis procedure has been developed in an aim to :" evaluate what proportion of the clay content is made up of shale...

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