... of these constituents. In addition, there is also a growing interest of removal of dissolved salts from the produced water for the beneficial reuse. This also requires an advanced filtration as pretreatment to desalination by reverse osmosis (RO) or evaporation. For both of these applications, microfiltration (MF...

... Abstract The paper contains numerical simulation of nonisothermal nonlinear filtration in a porous medium. Two-dimensional unsteady problem of heavy oil, water and steam flow is considered. Oil phase consists of two pseu-docomponents: light and heavy fractions, which can vaporize like the water...

... and applied to model the dynamic growth of injection-induced fractures. The model is based on a finite volume implementation of the cohesive zone model for arbitrary fracture propagation coupled with two-phase flow. A dynamic filtration model for permeability reduction is employed on the fracture faces...

... standards ( Kalantariasl et al., 2014 ; Zhong and Yin, 2013 ; Deng et al., 2002 ). The objective of the filtration processes used in produced water treatment is mainly to achieve the separation of solid particles that are suspended in the produced water, which are as large as sand or as small...

...% increase. The optimum NPs concentrations were experimentally identified. A strong relationship between WS and HPHT filtration values was observed. Optical microscopy, scanning electron microscope (SEM) and energy dispersive X-ray spectroscopy (EDX) analyses were conducted on the cores post-testing...

.... Effluent particle concentrations and pressure profiles are also measured in real time. The results of the experiments are interpreted using deep bed filtration theory in converging flow geometry. The experiments show a clear effect of converging flow geometry on particle deposition. Reservoir...

... and the concentration of suspended solids. The EFD is investigating the use of membrane-filtration technologies in the aforementioned aim of waste volume reduction and water extraction from drilling wastes. The investigation involves processing actual drilling wastes using various membrane types and configurations...

... of straining of particles smaller than the smallest pore throat in the column, under conditions that exclude the possibility of filtration. The simplest test of a theory is whether it can account for these anomalous observations. Existing theories that consider pore throats as the constrictions cannot explain...

... . The experimental work included measuring the rheological properties, thermal stability, API and HT/HP filtration of the three drill-in fluids. The results obtained showed that several polymers can be used to design KCl/Mn 3 O 4 –drill-in fluids. The developed fluid had better thermal stability and filtration...

... The pilot skid sketch is shown in Fig. 1 . Fig. 2 shows the photograph of the pilot skid. The water is fed by the platform's submersible pump through a pressure regulator to the cartridge filtration skid. Sodium hypochlorite was injected at the inlet to the pilot skid to obtain about 3 ppm...

... Abstract This paper describes a method to correct formation pressures measured while drilling for the effects of supercharging (increased sandface pressure caused by drilling fluid filtrate leakoff).The method consists of deliberately varying the wellbore pressure, measuring...

... Abstract The injector impairment due to suspended particles during waterflood project happens in two stages: firstly particles penetrate into a reservoir and are captured by the rock (deep bed filtration); at the second stage, after the reservoir inlet is plugged by particles, the particles...

..., the particle flux is the sum of advective and dispersive fluxes. Transport of particles in porous media is described by an advection-diffusion equation and by a kinetic equation of particle capture. Conventional models for deep bed filtration take into account hydrodynamic particle dispersion in the mass...

.... The growth of filter cakes and invasion of filtrate and fines into reservoir formation near wells, perforations, and fractures, depend on the local flow distribution (Hofsass and Kleinitz 7 ) and the injection fluid and reservoir formation conditions (Fisher et al. 5 , Phelps 4 ). Hofsass and Kleinitz...

... on the instantaneous pressure gradient and on the shearing effects of dynamic filtration, if present. These constants are not unlike others used in engineering analysis, for example, the viscosity of a lubricant or the yield stress of a steel test sample. This being so, their values can be obtained from the simple...

...; experimental measurements show that addition of swelling clay leads to very good stability properties without the necessity to add polymeric additive. Furthermore, clay addition provides good filtration properties with the formation of a filter cake, and this is important in case of accidental overbalanced...

...   r ) The first term expresses the rate of particle deposition, proportional to the flowing particles volume flux. The filtration volumetric flux u c , entering the core plug, is given by: (4) u c = q / a where q is the carrier fluid flow rate. c p...

... for predicting filtration without filter cakes. The combination-coefficient solution assumes constant regional pressures and no moving boundary between the two regions. For this overall reservoir-rate coefficient to be obtained, the pressures of the individual regions are summed according to the following...

... A . Filtrate volume is plotted against the square root of time until 30 minutes of filtration. Figure 5 shows an illustration of this measurement, based on the filtration of sized salt drill-in mud on Texas limestone. Since the surface area for filtration is 4.9 inch 2 , the filtrate volume at the end of 30...

... of approximately -15 to +30 percent, ranged in capital cost from $3.1 to $12.3 million with an O&M cost ranging from 4.5-23.4 c/bbl of water treated. P. 403 criteria densadeg upstream oil & gas boron cost estimate operation sludge filtration reverse osmosis water management boron removal...