We describe the successful application of a new method to estimate permeability and permeability anisotropy from transient measurements of pressure acquired with a wireline straddle-packer formation tester. Unlike standard algorithms used for the interpretation of formation-tester measurements, the method developed in this paper incorporates the physics of two-phase immiscible flow as well as t...

Understanding the role of shuttle vibrations in pore fluid distribution is an essential task in the exploration of plant growth in root modules aboard space flights. Results from experimental investigations are reported in this paper on the distribution of immiscible fluid phases in glass beads under vibrations. Hexadecane, a petroleum compound immiscible with and lighter than water, was used i...

the quality of the river water is assessed in different months in different stations to evaluate the change in the quality in re1ation with the various point sources along the river. thirteen parameters were measured in the samples manually taken from three meters off shore in 20 cm. depth in four points representing the quality in four reaches under consideration. the results revealed that nat...

We propose a dilatant, two-layer debris flow model validated by full scale density/saturation measurements obtained from the Swiss Illgraben test site. Like many existing models we suppose consists of matrix solid particles (rocks, boulders) that is surrounded muddy fluid. However, split fluid into two fractions. One part, inter-granular fluid, bonded to and fills void space between particles. ...

The analysis of two-phase flow in porous media begins with the Stokes equations and an appropriate set of boundary conditions. Local volume averaging can then be used to produce the well known extension of Darcy's law for two-phase flow. In addition, a method of closure exists that can be used to predict the individual permeability tensors for each phase. For a heterogeneous porous medium, the ...

Biyad Formation is mainly made up of clastic sediments that contain substantial amount of proven crude oil in the eastern Yemen. The Byiad clastic is divided into Upper and Lower Biyad clastic units. Several vertical wells have been drilled and penetrated this formation. This study is concerned with the petrophysical evaluation by means of well log data of the Lower Cretaceous rocks at the East...

Silver is used as an antimicrobial agent in wound care products due to its effectiveness against a broad range of bacteria. Despite extensive use of silver-containing dressings, silver release measurements vary significantly for instance in release method and test fluid used, thus making it hard to compare results. In addition, existing methods for silver release involve the dressing being tota...

In many oil-recovery systems, relative permeabilities (kr) are essential flow factors that affect fluid dispersion and output from petroleum resources. Traditionally, taking rock samples the reservoir performing suitable laboratory studies is required to get these crucial properties. Despite fact kr a function of saturation, it now well established pore shape distribution, absolute permeability...

Abstract The discovery of oil deposits with complex internal structures requires an improvement available seismic survey methods. development modern high-performance computing systems provides opportunity to use more sophisticated mathematical models. This paper aims investigate wave propagation in porous fluid-saturated media. Dorovsky three velocity model was formulated the two-dimensional ca...