نتایج جستجو برای: bearing heavy oil

تعداد نتایج: 333531  

2008
F.r. Wassmuth

Pengrowth has targeted East Bodo (Alberta side) and Cosine (Saskatchewan side) for waterflood optimization and subsequent enhanced oil recovery applications. Currently, the most practical EOR technology for this heavy oil reservoir seems to be the polymer flood technology in combination with horizontal wells. Several investigators(1-4) have demonstrated the potential of the polymer flood techno...

2013
Rasool Razmi

This work concerns on experimentally investigation of surfactant flooding in fractured porous media. In this study a series of water and surfactant injection processes were performed on micromodels initially saturated with a heavy crude oil. Eight fractured glass micromodels were used to illustrate effects of surfactant types and concentrations on oil recovery efficiency in presence of fracture...

Leila Farzin Mohammad Esmail Moassesi

The concentration of heavy metals in vegetable oils is an important criterion for the assessment of oil qualities with regard to freshness, keeping properties, storage and their influence on human nutrition and health. Trace heavy metals in vegetable oils are known to have an effect on the rate of oil oxidation. In this work, the contents of lead (Pb), cadmium (Cd), nickel (Ni), manganese (Mn),...

2014
Bin Yang Liansheng Li Yuanyang Zhao Bin YANG Lian sheng LI Yuan yang ZHAO

CFCs, HCFCs are stipulated to phase out, and other alternative refrigerants like R134a, are also constrained as a result from their high GWP values. CO2 as a natural working fluid now is used in reciprocating compressors due to its uniquely beneficial properties (ozone depletion potential, ODP=0; global warming potential, GWP =1). However, one remarkable characteristics of the CO2 reciprocating...

2007
Jiguang Sun

Engineering design of computer hard disk drives is a continuously evolving area where fierce competition drives innovations in smaller, faster, higher-density designs. Different elements of the overall hard drive design involve various branches of science and engineering including materials science, electromagnetics, control theory, electrical engineering, mechanical engineering and fluid dynam...

Eayob Ebadi-Fathabad, Gholam Reza Jahed-Khaniki, Issa Mohammadpourfard, Nabi Shariatifar,

Background and purpose: Determination of heavy metals in oils is necessary to establish quality standards on a country level. This study aimed to determine of heavy metal contents (Cr, Ni, As, Cd, Hg, Pb, Sb, Sn, Sr, Al) in 12 seed oil samples in Iran by inductively coupled plasma-optical emission spectrometry (ICP-OES). Materials and Methods: The concentrations of heavy metal were determined b...

Journal: :تحقیقات جغرافیایی 0
شهرام بهرامی گروه جغرافیای طبیعی- دانشکده جغرافیا و علوم محیطی- دانشگاه حکیم سبزواری افروز بهروجه دانشگاه حکیم سبزواری

morphometric characteristics of anticlines can play an important role in the exploration of oil resources. the purpose of this research is to evaluate the effect of geomorphology on the exploration of oil resources in oil-rich bankol and oil-less danehkhoshk anticlines by means of geomorphological indices. to achieve the purpose of this study, topographic maps at a scale of 1:50000 and geologic...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2009
mahshad alaei alimorad rashidi alireza mahjoub

two facile and low cost routes were used for the synthesis of if-ws2 nanoparticles. in this paper, preparation of if-ws2 nanoparticles with two different methods was investigated. in the first method, wo3 nanoparticles were reacted with h2s gas in n2/h2 reducing atmosphere at 900 oc. the as-synthesized if-ws2 nanoparticles are spherical shape with an average size of about 70 nm.  in the second ...

Journal: :journal of petroleum science and technology 2015
changhua yang yiqing lin zhang zhang ruijian deng xinrong wu

the biqian-10 block, located in henan oilfield of sinopic, contains many thin and interbedded reservoirs, which have been operated by cyclic steam stimulation for 20 years or more. therefore, it is a challenge to implement the conventional steam flooding. in order to improve the recovery of steam flooding, urea was used to assist steam flooding. urea can decompose into co2 and nh3, which are be...

ژورنال: سلامت و محیط زیست 2017
بابایی نژاد, تیمور, قنواتی, نوید, نظرپور, احد,

Background and Objective: The aim of the present study was to investigate the concentration, enrichment factor, Nemrow integrated pollution index, and potential ecological risk of heavy metals including (Pb, Ni, Cu, Zn, Cd, V and Cr) in surface soils of Ahvaz oil filed. Materials and Methods: For this purpose, 49 soil samples with a systematic scheme from Ahvaz oil field were analyzed by atomi...

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