Question 5.6 A Dean-Stark apparatus was used to determine the fluid saturations in a cylindrical core of diameter 3 cm, length 5.8 cm, and porosity 15.2%. The initial weight of the core prior to extraction was measured to be 151.6 g. The weight of the core plug after it was extracted and dried was 146.3 g. The volume of water recovered from the core in the experiment was 2.94 cm3. The densities of reservoir water and oil are 1 g/cm³ and 0.86 g/cm3, respectively. Determine the initial fluid saturations in the core.

Question 5.6 A Dean-Stark apparatus was used to determine the fluid saturations in a cylindrical core of diameter 3 cm, length 5.8 cm, and porosity 15.2%. The initial weight of the core prior to extraction was measured to be 151.6 g. The weight of the core plug after it was extracted and dried was 146.3 g. The volume of water recovered from the core in the experiment was 2.94 cm3. The densities of reservoir water and oil are 1 g/cm³ and 0.86 g/cm3, respectively. Determine the initial fluid saturations in the core.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Field applications of hydraulic conductivity

Hydraulic conductivity is one of the hydraulic properties of soil defined as a measurement of the ability of a porous medium to permit water movement or fluid flow through it. It is denoted by the letter K. It is influenced by the density and viscosity of the fluid. It is also called permeability. Hydraulic conductivity is defined as the ratio of velocity to the hydraulic gradient. The different methods used to determine the hydraulic conductivity are laboratory methods (constant head permeability tests and falling head tests), in-situ field methods (pumping in and pumping out tests), small scale field tests (infiltration tests and slug tests), and indirect methods such as estimation from grain size, consolidation test data, and horizontal capillary test. The pedotransfer function (PTF) method is a specific empirical estimating approach employed in the soil sciences is also used to determine the hydraulic conductivity of the soil.

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