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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 | Survey of test vector compression techniques显示文摘 | Touba N A | 2006 | Design & Test of Computers2006，23，4： | 1 |
| 3 | Survey of Test Vector Compression Techniques 显示文摘 | Touba N | 2006 | IEEE Design & Test of Computers2006，23，4： | 1 |
| 4 | Structure and property prediction of sub- and supercritical water显示文摘 | TOUBA H MANSOORI G A | 1998 | Fluid Phase Equilibria1998，，： | 1 |
| 5 | An efficient test vector compression scheme using selective Huffman coding 显示文摘 | JAS A GHOSH-DASTIDAR J TOUBA N A | 2003 | IEEE Trans Comp Aid Des2003，22，6： | 1 |
| 6 | Survey of test vector compression tech-niques 显示文摘 | TOUBA N A | 2006 | Design & Test of Computers2006，23，4： | 1 |
| 7 | Improving linear test data compression显示文摘 | Balakrishnan K J Touba N A | 2006 | IEEE Transactions on Very Large Scale IntegrationSystems2006，14，11： | 1 |
| 8 | Using partial isolation rings to test core-based desig ns显示文摘 | Touba N A Pouya B | 1997 | IEEE Design & Test Magazine1997，14，10： | 1 |
| 9 | An efficient test vector compression scheme using selective Huffman coding显示文摘 | JAS A GHOSH-DASTIDAR J TOUBA N A | 2003 | IEEE Trans Comp Aid Des2003，22，6： | 1 |
| 10 | 3-Stage variable length continuous-flow scan vector decompression scheme 显示文摘 | C V Krishna Nur A Touba | 2004 | Proceedings of VLSI Test Symposium2004，36，5： | 1 |
| 11 | Survey of test vector compression techniques 显示文摘 | Touba N A | 2006 | IEEE Design & Test of Computers2006，23，4： | 1 |
| 12 | Test cube encoding using partial LFSR reseeding显示文摘 | C V Krishna Abhijit Jas Nur A Touba | 2001 | Proceedings of International Test Conference2001，78，18： | 1 |
| 13 | Weighted Pseudorandom Hybrid BIST显示文摘 | A Jas C V Krishna and N A Touba | 2004 | IEEE Transactions on Very Large Scale Inte- gration (VLSI) Systems2004，12，12： | 1 |
| 14 | Survey of test vector compression techniques显示文摘 | N A Touba | 2006 | IEEE Design & Test of Computers2006，23，4： | 1 |
| 15 | Achieving high encoding efficiency with partial dynamic LFSR reseeding显示文摘 | Krishna C V Jas A Touba N A | 2004 | ACM Transactions on Design Automation of Electronic Systems2004，9，4： | 1 |
| 16 | Survey of test vector compression techniques 显示文摘 | Touba N A | 2006 | IEEE Design & Test of Computers2006，23，4： | 1 |
| 17 | Survey of test vector compression techniques显示文摘 | N A Touba | 2006 | Design & Test of Computers2006，23，4： | 1 |
| 18 | Prediction of the acute response to suffactant therapy by pulmonary function testing显示文摘 | Wallenbrock MA Sekar KC Toubas PL | 1992 | Pediatr Pulmonol1992，13，1： | 1 |
| 19 | Reactivity of (1,3)-13-D- glucan assay in bacterial bloodstream infections 显示文摘 | Albert O Toubas D Strady C | 2011 | Eur J Chn Microbial Infect Dis2011，30，11： | 1 |
| 20 | Survey of test vector compression techniques显示文摘 | Touba N A | | 0，，04： | 1 |
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