نتایج جستجو برای: flow zone index fzi

تعداد نتایج: 962237  

Journal: :Energy Engineering 2022

The X field is located in the southwestern part of block NX89 Kentan Basin Libya. This produced from Hailan multilayer consolidated sandstone with moderate rock property and a relatively low energy supplying. reserve subsurface sources declining years. Therefore, techniques were combined to achieve optimization increase hydrocarbon recovery. In order understand formation reservoir facilitate oi...

Journal: :فیزیک زمین و فضا 0
مریم روستایی دانش آموخته کارشناسی ارشد ژئوفیزیک، گروه فیزیک زمین، مؤسسة ژئوفیزیک دانشگاه تهران مجید نبی بیدهندی استاد، گروه فیزیک زمین، مؤسسة ژئوفیزیک دانشگاه تهران مهدی تدینی کارشناس ارشد ژئوفیزیک، شرکت ملی نفت ایران، تهران سیاوش ترابی دانشجوی دکتری ژئوفیزیک، گروه فیزیک زمین، مؤسسة ژئوفیزیک دانشگاه تهران

permeability is a property of porous medium that quantifies rock capacity to transmit fluids. frequently, core based permeability data are not available either because of the borehole conditions or due to the high cost of coring. for these reasons, over the years attempts have been made to estimate permeability by alternative ways. permeability is an elusive parameter in hydrocarbon reservoirs ...

2011
A. Rossi I. Romanello L. Forzano G. Fachechi D. Marchesoni

OBJECTIVE to explore the potential of 3D Power Doppler Angiography (3D PDA) to evaluate the cerebral circulation in normal and growth restricted fetuses (IUGR). STUDY DESIGN in a pilot study, we enrolled 51 appropriate for gestational age (AGA) pregnancies and 17 singleton pregnancies presenting IUGR, all between 22 and 38 weeks of gestation. Using 3D power Doppler ultrasound, a -volume acqui...

1992
Eduardo Casais Michael Ranft Bernhard Schiefer Dietmar Theobald Walter Zimmer

This paper gives an overview of the OBST persistent object management system. OBST has been developed by the Forschungszentrum Informatik (FZI) as a contribution to the STONE project.1 The paper summarizes the design objectives and the current status of OBST, and highlights forthcoming developments with the system.

علیرضا کشاورزی, , محمدجواد کاظم زاده پارسی, ,

Flow structure at water intake is very complicated and three-dimensional. Due to this the application of one and two-dimensional equations can not sufficiently explain the flow structure at water intake. In this study, the simulation of flow structure at a 45 degree water intake was investigated numerically and experimentally. Here, the characteristic of separation zone and velocity distributio...

ژورنال: علوم آب و خاک 2006
علیرضا کشاورزی, , محمدجواد کاظم زاده پارسی, ,

Flow structure at water intake is very complicated and three-dimensional. Due to this the application of one and two-dimensional equations can not sufficiently explain the flow structure at water intake. In this study, the simulation of flow structure at a 45 degree water intake was investigated numerically and experimentally. Here, the characteristic of separation zone and velocity distributio...

A Laser Induced Fluorescence technique (LIF) has been used to study the mixing behavior of two emerging streams in a T-Type mixing chamber. A mixing index on the basis of digital image light intensities is calculated. It has been shown that averaging over more than 800 images leads to a stable mixing index calculation. Moreover, the effect of equal and un-equal flow rates on the mixing behavior...

Journal: :Journal of Applied Geophysics 2021

This study delineates sandstone reservoir flow zones in the north-western Bredasdorp Basin, offshore South Africa, using conventional core porosity and permeability data. The workflow begins by integrating sedimentology reports logs to identify lithofacies before evaluating petrophysical zones. Three were classified as 1, 2, 3. Lithofacies 1 is a silty shale bioturbated sandstone, 2 an interbed...

Journal: :iranian journal of science and technology transactions of civil engineering 2015
s. mohammadiun s.a.a. salehi neyshabouri gh. naser h. parhizkar h. vahabi

open-channel junctions have a broad application in civil and environmental engineering. formation of a low-pressure zone with recirculating flow (high sedimentation) accompanied by a high-velocity zone (high erosion) is the most characteristic feature of flow in junctions. a large number of researches have been performed to study the complexity of the flow in junctions in open-channel flows. in...

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