Thermal Properties And Temperature Related Behavior Of Rock Fluid Systems Pdf

thermal properties and temperature related behavior of rock fluid systems pdf

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Thermal Properties and Temperature-Related Behavior of Rock/Fluid Systems, Volume 37

Gomaa, Ezzat E. A conceptual model is developed for prediction of thermal conductivity of multi-fluid saturated formations. The model incorporates the physical properties as well as wettability and solid-fluid affinity concepts. The fluid saturation distribution, the Biot number related to the surface of contact between the solid matrix and fluids, and a grain contact parameter successfully explained the thermal behavior of given rock fluid systems. Experimental measurements on actual rock-fluid systems confirmed the validity of the proposed method.

Thermophysical analysis of the crustal rocks is important for heat transfer determination and insulation purposes to save energy in buildings. In the presented work, thermophysical properties of four limestones were investigated in dry and moist state under ambient conditions by using a transient plane source method. A thermal constant analyzer was used to raise the sample temperature and to measure the thermal properties in the temperature range of K to K. Thermal conductivity and diffusivity were measured by developing a linear relationship between temperature response of TPS transient plane source sensor and dimensionless time function through least-square fitting method. The experimental observations and predicted thermal conductivity of samples have shown that in-situ observations are important to determine the thermal properties accurately.

In this study, equations are developed that predict for synthetic sedimentary rocks clastics, carbonates and evapourates thermal properties comprising thermal conductivity, specific heat capacity and thermal diffusivity. Petrophysical properties and their well-logging-tool-characteristic readings were assigned to these rock-forming minerals and to pore-filling fluids. Relationships are explored between each thermal property and other petrophysical properties density, sonic interval transit time, hydrogen index, volume fraction of shale and photoelectric absorption index using multivariate statistics. The application of these relations allows computing continuous borehole profiles for each rock thermal property. The uncertainties in the prediction of each property vary depending on the selected well-log combination. Well-log derived thermal conductivity is validated by laboratory data measured on cores from deep boreholes of the Danish Basin, the North German Basin, and the Molasse Basin. Additional validation of thermal conductivity was performed by comparing predicted and measured temperature logs.

Supercritical carbon dioxide

Supercritical carbon dioxide s CO 2 is a fluid state of carbon dioxide where it is held at or above its critical temperature and critical pressure. If the temperature and pressure are both increased from STP to be at or above the critical point for carbon dioxide, it can adopt properties midway between a gas and a liquid. More specifically, it behaves as a supercritical fluid above its critical temperature Supercritical CO 2 is becoming an important commercial and industrial solvent due to its role in chemical extraction in addition to its low toxicity and environmental impact. The relatively low temperature of the process and the stability of CO 2 also allows most compounds to be extracted with little damage or denaturing. In addition, the solubility of many extracted compounds in CO 2 varies with pressure, [2] permitting selective extractions.

Thermal Properties and Temperature-Related Behavior of Rock/Fluid Systems

Du kanske gillar. Ladda ned. Spara som favorit. This book brings together for the first time the results of research on the thermal properties and temperature-related behavior of rocks with their contained fluids, under subsurface environmental conditions. These data are of increasing importance with increased application of underground processes involving high temperature and, in some cases, low temperature environments.

Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. DOI: Somerton Published Geology. Thermal Processes and Terms.

This book brings together for the first time the results of research on the thermal properties and temperature-related behavior of rocks with their contained fluids, under subsurface environmental conditions. These data are of increasing importanceMoreThis book brings together for the first time the results of research on the thermal properties and temperature-related behavior of rocks with their contained fluids, under subsurface environmental conditions. These data are of increasing importance with increased application of underground processes involving high temperature and, in some cases, low temperature environments. Some of the important processes are described in which thermal data are needed. Chapters deal with thermal properties of rocks, including heat capacities, thermal conductivities and thermal diffusivities under conditions simulating subsurface environments.

Thermal Properties and Temperature-Related Behavior of Rock/Fluid Systems Wilbur H. Somerton

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Purchase Thermal Properties and Temperature-Related Behavior of Rock/Fluid Systems, Volume 37 - 1st Edition. Print Book & E-Book. ISBN


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