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| 1 | Screening of inhibitors for remediation of asphaltene deposits: Experimental and modeling study显示文摘One of the most severe problems during production from heavy crude oil reservoirs is the formation of asphaltene precipitation and as a result deposition in the tubing,surface facilities and near wellbore region which causes oil production and permeability reduction in addition to rock wettability alteration in the reservoir.So one of the economical ways to prevent such incidents is using the chemicals which are called asphaltene inhibitor.In this study,the influence of three commercial inhibitors,namely;Cetyl Terimethyl Ammonium Bromide(CTAB),Sodium Dodecyl Sulfate(SDS),Triton X-100 and four non-commercial(Benzene,Benzoic Acid,Salicylic Acid,Naphthalene)inhibitors on two Iranian crude oils were investigated.This study extends previous works and contributes toward the better understanding of interactions between asphaltene and inhibitor.Effect of functional groups and structure of inhibitors on asphaltene precipitation were studied and it seems clear that the nature and polarity of asphaltene(structure and amount of impurities presented)has a significant impact on the selection of inhibitors.asphaltene dispersant tests and Core flood tests were designed for evaluation of inhibitors in static and dynamic conditions.The results revealed distinguished mechanisms for asphaltene solubilization/dispersion(such as hydrogen bonding,pep interaction and acid-base interaction)and influence of additional side group(OH)on inhibition power of inhibitor.During the experiments,it was found that increasing inhibitor concentration may lead to the self-assembly of inhibitor and declining of asphaltene stabilization.So,finding optimum concentration of inhibitor with high efficiency and available at a reasonable price is very important.The results suggest that 600 ppm of CTAB and 300 ppm of SDS were approximately optimum concentrations for the studied crude oils.One of the most important findings that differ from previous studies is the revelation of the mechanism behind the SDS/asphaltene behavior in various concentrations of inhibitor.Effect of chosen inhibitors on asphaltene precipitation and consequently deposition in porous media was studied,and then experimental data were modeled for evaluation of permeability impairment mechanisms.Permeability revived after inhibitor squeezing and cake formation mechanism played an important role in permeability reduction before and after treatment in porous media.The findings can also be applied to prediction of future behavior of reservoirs in oil field scale and evaluation of formation damage in the different period of production if needed any treatment process. | Mehdi Madhi Riyaz Kharrat Touba Hamoule | 2018 | Petroleum2018，4，2： | 7 |
| 2 | 基于瞬时产量递减分析确定天然裂缝性油藏平均地层压力显示文摘以Warren和Root等提出的裂缝-孔隙双重介质模型为基础,拓展延伸了Mavor、Cinco-Ley和Daprat等的裂缝系统拟稳态-定产量生产的解及基质系统拟稳态-定压力生产的解,提出了根据天然裂缝性油藏定压开采的瞬时产量递减准确估算油藏平均压力的新方法。具体方法为:分别将基质产量方程和裂缝产量方程两端取自然对数,得到两条直线;再利用其斜率和截距确定弹性储容比、油藏总储容以及泄油面积,最后确定平均地层压力。经算例和实例验证,新方法简单实用,与物质平衡法和Tiab直接合成技术法得到的估算结果十分接近。 | Daryasafar Amin Amareh Iman Fathi Nasab Mohammad Kharrat Riyaz Jalilian Milad | 2015 | 石油勘探与开发2015，42，2： | 5 |
| 3 | Sudden hearing loss associated with peginterferon and ribavirin combination therapy during hepatitis C treatment显示文摘在丙肝处理期间与木钉干扰素和 ribavirin 联系的不利效果是众所周知的。突然的听觉损失很少被报导了。包含的可能的机制包括干扰素,汽车免疫,和 hematological 变化的直接 ototoxicity。听觉损失充分经常在抗病毒的治疗的中止以后被解决。我们与长期的丙肝报导一个 47 岁的人,遗传型 2 交流在以木钉干扰素高山开始治疗以后开发了突然的听觉损失 22 wk 哈在 180 mug/wk 和 ribavirin 的剂量的 2a 800 mg 每天。因为症状没变得更坏,抗病毒的治疗为 2 wk 被继续,根据病人的愿望。听见损失在治疗的结束以后在 2 wk 以内解决了。浆液肝丙氨酸 aminotransferase 仍然保持正常在期间并且在抗病毒的治疗的结束以后。HCV RNA 在治疗的结束是无法发现的并且仍然保持否定 24 wk 以后。因此,病人们应该知道听觉损失可以与木钉干扰素治疗,而是决定发生是否继续或到站,治疗基于医生的临床的判断和病人的愿望。 | Héla Elloumi Fatma Houissa Najet Bel Hadj Dalila Gargouri Malika Romani Jamel Kharrat AbdelJabbar Ghorbel | 2007 | World Journal of Gastroenterology2007，13，40： | 4 |
| 4 | N4SID and MOESP Algorithms to Highlight the Ill-conditioning into Subspace Identification显示文摘In this paper,an analysis for ill conditioning problem in subspace identifcation method is provided.The subspace identifcation technique presents a satisfactory robustness in the parameter estimation of process model which performs control.As a frst step,the main geometric and mathematical tools used in subspace identifcation are briefly presented.In the second step,the problem of analyzing ill-conditioning matrices in the subspace identifcation method is considered.To illustrate this situation,a simulation study of an example is introduced to show the ill-conditioning in subspace identifcation.Algorithms numerical subspace state space system identifcation(N4SID)and multivariable output error state space model identifcation(MOESP)are considered to study,the parameters estimation while using the induction motor model,in simulation(Matlab environment).Finally,we show the inadequacy of the oblique projection and validate the efectiveness of the orthogonal projection approach which is needed in ill-conditioning;a real application dealing with induction motor parameters estimation has been experimented.The obtained results proved that the algorithm based on orthogonal projection MOESP,overcomes the situation of ill-conditioning in the Hankel s block,and thereby improving the estimation of parameters. | Slim Hachicha Maher Kharrat Abdessattar Chaari | 2014 | International Journal of Automation and computing2014，11，1： | 3 |
| 5 | Experimental and Numerical Analyses of the Pull-out Response of a Steel Post/Bovine Bone Cementless Fixation显示文摘 | Khaled Gammoudi | 2012 | Journal of Bionic Engineering2012，9，4： | 2 |
| 6 | Analysis of the Biotribological Behavior for the Stainless Steel/Polyethylene Contact Using a Knee Prosthesis Simulator显示文摘 | M. Boujelbene S. Dhouibi M. Kharrat M. Dammak | 2012 | Journal of Bionic Engineering2012，9，1： | 2 |
| 7 | Porescaleevents in drainage process through porous media underhigh-and low-interfacial tension flow conditions显示文摘 | Benyamin Yadali Jamaloei Riyaz Kharrat Koorosh Asghari | 2010 | Journal of Pe-troleum Science and Engineering2010，75，1： | 1 |
| 8 | Molecular genetic analysis of Tunisian patients with a classic form of 21-hydroxylase deficiency : identification of four novel mutations and high prevalence of Q318X mutation 显示文摘 | Kharrat M Tardy V M' rad R | 2004 | J Clin Endocrinol Metab2004，89，1： | 1 |
| 9 | Nitrogen and carbon relationships between the parasitic weed Orobanche foetidaand susceptible and tolerant faba bean lines显示文摘 | Abbes Z Kharrat M Delavault P | 2009 | Plant Physiology and Biochemistry2009，47，2： | 1 |
| 10 | Study of the VAPEX process in fractured physical systems using different solvent mixtures显示文摘 | Azin R Kharrat R Vossoughi S | 2008 | Oil & Gas Science and Technology2008，63，2： | 1 |
| 11 | Harrington instrumentation without fusion plus external orthotic support for the treatment of difficult curvature problems in young children显示文摘 | Moe JH Kharrat K Winter RB | | 0，，185： | 1 |
| 12 | Non-destructive evaluation of anchorage zones by ultrasonics techniques显示文摘 | Kharrat M Gaillet L | 2015 | Ultrasonics2015，61，： | 1 |
| 13 | Susceptible andprotective endothelial nitric oxide synthase gene polymorphismin alopecia areata in the Kuwaiti population 显示文摘 | Alfadhli S Kharrat NJ Al-Tememy B | 2008 | Autoimmunity2008，41，7： | 1 |
| 14 | On the interfacial behaviour of a glass/epoxy composite during a micro-indentation test: assessment of interfacial shear strength using reduced indentation curves 显示文摘 | Kharrat M Chateauminois A | 1997 | Composites: Part A1997，，28： | 1 |
| 15 | Immunohistochemistry contribution in Alport syndrome diagnosis 显示文摘 | Krichen Makni S Kharrat M Ben Hmida M | 2005 | Rev Med Interne2005，26，7： | 1 |
| 16 | Use of silicone oil in vitreal hemorrhage complicating proliferated diabetic retinopathy 显示文摘 | Kharrat W Turki K Ben Amor H | 2009 | J Fr Ophtalmo12009，32，2： | 1 |
| 17 | Immunohistochemistry contribution in Alport syndrome diagnosis显示文摘 | Krichen Makni S Kharrat M Ben Hmida M | 2005 | Rev Med Interne2005，26，7： | 1 |
| 18 | Ex- perimental studying of pore morphology, and wettabilitv eft~cts on microscopic and macroscopic displacement effieimmy of polymer flooding 显示文摘 | Hamid Emami Meybodi Riyaz Kharrat Majid Nasehi Araghi | 2011 | Journal of Petroleum Science and Engineering2011，78，2： | 1 |
| 19 | Lactococci and lactobacilli as mucosal delivery vectors for therapeutic proteins and DNA vaccines显示文摘 | Bermúdez-Humarán LG Kharrat P Chatel JM | 2011 | Microbial Cell Factories2011，10，1： | 1 |
| 20 | Therapeutic and preventive properties of quereetin in experimental arthritis correlate with decreased macrophage inflammatory mediators 显示文摘 | Mamani - Matsuda M Kauss T A1 - Kharrat A | 2006 | Biochem Pharmacol2006，72，： | 1 |
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