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| 1 | Wettability alteration and oil recovery by spontaneous imbibition of smart water and surfactants into carbonates显示文摘Naturally fractured carbonate reservoirs have very low oil recovery efficiency owing to their wettability and tightness of matrix.However,smart water can enhance oil recovery by changing the wettability of the carbonate rock surface from oilwet to water-wet,and the addition of surfactants can also change surface wettability.In the present study,the effects of a solution of modified seawater with some surfactants,namely C12 TAB,SDS,and TritonX-100(TX-100),on the wettability of carbonate rock were investigated through contact angle measurements.Oil recovery was studied using spontaneous imbibition tests at 25,70,and 90°C,followed by thermal gravity analysis to measure the amount of adsorbed material on the carbonate surface.The results indicated that Ca2+,Mg2+,and SO42-.ions may alter the carbonate rock wettability from oil-wet to water-wet,with further water wettability obtained at higher concentrations of the ions in modified seawater.Removal of NaCl from the imbibing fluid resulted in a reduced contact angle and significantly enhanced oil recovery.Low oil recoveries were obtained with modified seawater at 25 and 70°C,but once the temperature was increased to 90°C,the oil recovery in the spontaneous imbibition experiment increased dramatically.Application of smart water with C12 TAB surfactant at 0.1 wt%changed the contact angle from 161°to 52°and enhanced oil recovery to 72%,while the presence of the anionic surfactant SDS at 0.1 wt%in the smart water increased oil recovery to 64.5%.The TGA analysis results indicated that the adsorbed materials on the carbonate surface were minimal for the solution containing seawater with C12 TAB at 0.1 wt%(SW+CTAB(0.1 wt%)).Based on the experimental results,a mechanism was proposed for wettability alteration of carbonate rocks using smart water with SDS and C12 TAB surfactants. | Saeb Ahmadi Mostafa Hosseini Ebrahim Tangestani Seyyed Ebrahim Mousavi Mohammad Niazi | 2020 | Petroleum Science2020，17，3： | 6 |
| 2 | Performance of low-salinity water flooding for enhanced oil recovery improved by SiO_2 nanoparticles显示文摘Low-salinity water injection has been utilized as a promising method for oil recovery in recent years. Low-salinity water flooding changes the ion composition or brine salinity for improving oil recovery. Recently, the application of nanoparticles with low-salinity water flooding has shown remarkable results in enhanced oil recovery(EOR). Many studies have been performed on the effect of nanofluids on EOR mechanisms. Their results showed that nanofluids can improve oil recovery when used in low-salinity water flooding. In this work, the effects of injection of low-salinity water and low-salinity nanofluid(prepared by adding SiO_2 nanoparticles to low-salinity water) on oil recovery were investigated. At first, the effects of ions were investigated with equal concentrations in low-salinity water flooding. The experimental results showed that the monovalent ions had better performance than the divalent ions because of them having more negative zeta potential and less ionic strength. Also, low-salinity water flooding recovered 6.1% original oil in place(OOIP) more than the high-salinity flooding. Contact angle measurements demonstrated that low-salinity water could reduce the contact angle between oil and water. Then in the second stage, experiments were continued by adding SiO_2 nanoparticles to the K+ solution which had the highest oil recovery at the first stage. The experimental results illustrated that the addition of Si02 nanoparticles up to 0.05 wt% increased oil recovery by about 4% OOIP more than the low-salinity water flooding. | Tangestani Ebrahim Vafaie Sefti Mohsen Shadman Mohammad Mahdi Kazemi Tooseh Esmaeel Ahmadi Saeb | 2019 | Petroleum Science2019，16，2： | 5 |
| 3 | Functional and Anatomical Diagnosis of Coronary Artery Stenoses显示文摘 | Abhijit Sinha Roy Martin R. Back Saeb F. Khoury Eric W. Schneeberger Lloyd H. Back Vijaya V. Velury Ronald W. Millard Rupak K. Banerjee | 2008 | Journal of Surgical Research2008，，： | 2 |
| 4 | Modelling joint response under constant or variable normal stiffness boundary conditions显示文摘 | SAEB S AMADEI B | 1990 | International Journal of Rock Mechanics and Mining Sciences and Geomechanics Abstracts1990，27，3： | 1 |
| 5 | Rev- erse osmosis desalination driven by low temperature supercriti- cal organic Rankine cycle显示文摘 | LI Chennan BESARATI Saeb GOSWAMI Yogi | 2013 | Applied Energy2013，102，： | 1 |
| 6 | Relative height estimation by cross-correlating ground-range synthetic aperture sonar images 显示文摘 | SAEBФ T O HANSEN R E HANSSEN A | 2007 | Journal of Oceanic Engineering2007，32，4： | 1 |
| 7 | Modeling rock joints under shear and normal loading显示文摘 | Saeb S Amadei B | 1992 | International Journal of Rock Mechanics and Mining Sciences and Geomechanics Abstracts1992，29，3： | 1 |
| 8 | Processing, mechanical and thermal behavior assessments of polycaprolactone/agri- cultural wastes biocomposites显示文摘 | Hejna A Formela K Saeb M R | 2015 | Industrial Crops and Products2015，76，： | 1 |
| 9 | Betulinic acid: isolation from TriphyophyUum peltatum and Ancistrocladus heyneanus, antimalarial activity, and crystal structure of the benzyl ester 显示文摘 | BRINGMANN G SAEB W ASSI L A | 1997 | Planta Med1997，63，： | 1 |
| 10 | Characterizing momentum change and viscous loss of a hemodynamic endpoint in assessment of coronary lesions显示文摘 | Rupak K. Banerjee Abhijit Sinha Roy Lloyd H. Back Martin R. Back Saeb F. Khoury Ronald W. Millard | 2006 | Journal of Biomechanics2006，，： | 1 |
| 11 | The influences of ther-mal stress on serum biochemical parameters of Iranian fat - tailedsheep and their correlation with triiodothyronine ( T3 ) , thyroxine(T4) and cortisol concentrations显示文摘 | NAZIFI S SAEB M ROWGHANI E | 2003 | Comp Clin Pathol2003，12，3： | 1 |
| 12 | 查看详情显示文摘 | Saebφ S Alml(o)f J | | 0，，： | 1 |
| 13 | Childhood bullous pemphigoid:a clinicopathologic study and review of the literature显示文摘 | Fisler RE Saeb M Liang MG | 2003 | Am J Dermatopathol2003，25，3： | 1 |
| 14 | Response of masonry bed joints in direct shear显示文摘 | ATKINSON R H AMADEL B P SAEB S | 1989 | Journal of Structural Engineering ASCE1989，115，9： | 1 |
| 15 | Zinc, copper, iron, and chromium concentrations in young patients with type-2 diabetes mellitus显示文摘 | Basaki M Saeb M Nazifi S | 2012 | BiolTraceElemRes2012，148，2： | 1 |
| 16 | Modelling Rock Joints Under Shear and Normal Loading显示文摘 | SAEB S AMADEI B | 1992 | International Journal of Rock Mechanics and Mining Sciences and Geome- chanics Abstracts1992，29，3： | 1 |
| 17 | Zinc, copper, iron, and chromium concentrations in young patients with type 2 diabetes mellitus显示文摘 | Basaki M Saeb M Nazifi S | 2012 | Biol Trace Elem Res2012，148，2： | 1 |
| 18 | Polymorphisms of theXRCC1,XRCC3 and XPD genes and risk of colorectal adenomaand carcinoma,in a Norwegian cohort:a case control study显示文摘 | Skjelbred CF Saeb M Wallin H | 2006 | BMC Cancer2006，6，： | 1 |
| 19 | A coupled elastoplastic damage model for geomaterials 显示文摘 | Salari M R Saeb S Willam K J | 2004 | Computer Methods in Applied Mechanics and Engineering2004，193，272829： | 1 |
| 20 | The weakly exothermic rearrangement of methoxy radical(CH3O)to the hydroxymethyl radical(CH2OH*)显示文摘 | Saebφ S Radom L Schaefer Ⅲ H F | 1983 | J Chem Phys1983，78，： | 1 |
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