نتایج جستجو برای: residual oil saturation ros

تعداد نتایج: 305210  

Journal: :Journal of caring sciences 2012
Sousan Valizadeh Mohammad Bagher Hosseini Mohammad Asghari Jafarabadi Najmeh Ajoodanian

INTRODUCTION Nowadays particular emphasis is placed on the developmental aspects of premature infants care. Massage therapy is one of the best-known methods of caring. Due to the minimal touch policy in neonatal intensive care units (NICUs), massaging is not usually performed on premature infants. However, there is not sufficient evidence to support the claim that newborn infants with complex m...

Journal: :Applied sciences 2022

Low salinity/engineered water injection is an effective enhanced oil recovery method, confirmed by many laboratory investigations. The success of this approach depends on different criteria such as oil, formation brine, injected fluid, and rock properties. performance method in heavy formations has not been addressed yet. In paper, data displacement low salinity were collected from the literatu...

2009
T. Nair R. Pohmann M. Gach

Introduction: Pulsed continuous arterial spin labeling (PCASL) was developed to provide improved label and control efficiencies and reduced RF dose compared to multi-slice CASL with a double adiabatic inversion (DAI) control, thus allowing PCASL to be used at high fields (1, 2). However, PCASL is susceptible to label and control plane aliasing and other artifacts related to the design of its la...

In this present study the dissolved air flotation (DAF) system was investigated for the treatment of Kermanshah Oil Refinery wastewater. The effect of three parameters on flotation efficiency including of flow rate (outflow from the flotation tank), saturation pressure and coagulant dosage on chemical oxygen demand (COD) removal was examined experimentally. All the experiments were done under a...

1997
Ravi J. Suman Rosemary J. Knight

A network model of porous media is used to assess the effects of pore structure and matrix wettability on the resistivity of partially saturated rocks. Our focus is the magnitude of the saturation exponent n from Archie’s law and the hysteresis in resistivity between drainage and imbibition cycles. Wettability is found to have the dominant effect on resistivity. The network model is used to inv...

2010
Hadi Hajibeygi Ivan Lunati Seong H. Lee

In this paper the iterative MSFV method is extended to include the sequential implicit simulation of time dependent problems involving the solution of a system of pressure-saturation equations. To control numerical errors in simulation results, an error estimate, based on the residual of the MSFV approximate pressure field, is introduced. In the initial time steps in simulation iterations are e...

Ezatallah Kazemzadeh Hamid Sharifi G. Hassan Mahmoudian Kazem Saadat

  Application of Archie equation in carbonate reservoirs is not easy due to high dependence of its parameters on carbonate characteristics. Carbonates are very heterogeneous in nature and hydrocarbon reserve estimation in these reservoirs of mostly oil-wet and intermediate-wet is highly influenced by the input values of saturation exponent. To our knowledge, non representative oils have been us...

Journal: :Cardiovascular research 2004
Hsueh-Hsiao Wang Tzu-Ming Hung Jeng Wei An-Na Chiang

OBJECTIVES The molecular and cellular mechanisms that fish oil (FO) exerts its physiological function are complicated. The present study brings evidence on the in vivo effect of FO on the development of atherosclerosis in apolipoprotein E knockout (apoE(-/-)) mice. We also test the hypothesis that the modulation of the cellular oxidative stress and antioxidant status contributes to the anti-ath...

Journal: :Energies 2022

An amount of oil remains in reservoirs even at the high water-cut stage produced liquid from wells. To reveal mechanism displacement rates to affect remaining pore scales, a two-dimensional (2D) glass etching network model and real-time visual system were set up observe characteristics distribution water flooding study influence on recovery. It was found that geometry is diverse dynamically cha...

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