THE EFFECT OF LINEAR AND BRANCHED INHIBITORS ON ASPHALTENE PRECIPITATION IN CRUDE OIL USING THE VISCOMETRIC METHOD

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SHADMAN M.M.; VAFAIE SEFTIE M.; SAEEDI DEHAGHANI A.H.

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Journal: PETROLEUM RESEARCH Year:2013 | Volume:23 | Issue:75 Page(s): 30-39

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Title

THE EFFECT OF LINEAR AND BRANCHED INHIBITORS ON ASPHALTENE PRECIPITATION IN CRUDE OIL USING THE VISCOMETRIC METHOD

Author(s)

SHADMAN M.M. | VAFAIE SEFTIE M. | SAEEDI DEHAGHANI A.H. | Issue Writer Certificate

Keywords

ASPHALTENEQ2

RESINQ2

INHIBITORQ2

ONSET POINTQ2

PRECIPITATIONQ2

RESERVOIRQ2

OIL WELLQ2

WELL BOREQ2

Abstract

One of the main problems in production of oil RESERVOIRs is the formation of ASPHALTENE PRECIPITATION. Blockage in porous medium, wells, and facilities has a detrimental effect on the production of asphaltenic oil. Generally, ASPHALTENEs are heaviest and most polar fractions that can be found in crude oil. These compositions have a complex molecular structure which are series of non-hydrocarbon molecules and soluble in benzene and insoluble in normal alkanes and solvents with low molecular mass. Based on recent experiments have been supposed that these compositions can be partially solved in oils at colloidal state. The nature and behavior of ASPHALTENE in crude oils is complex so changes in temperature, pressure and composition of crude oils during production can result in PRECIPITATION of ASPHALTENE components. These parameters affect the chemical equilibrium in RESERVOIRs and result PRECIPITATION. A possible way to prevent of ASPHALTENE PRECIPITATION is by adding an ASPHALTENE stabilizer, i.e. INHIBITOR. ASPHALTENE INHIBITORs act in a way similar to RESINs, peptizing the ASPHALTENEs and keeping them in solution. The INHIBITOR efficiency depends on its chemical and structural characteristics, largely. However, the INHIBITOR ability to stabilize ASPHALTENEs depends also on the solvent or dispersion medium. The main objective of this research is to investigate the effect of three different INHIBITORs on ASPHALTENEs deposition using viscometric method.The results show decrease in length of hydrocarbonic chains because of branches and steric hindrance between methyl groups will decrease inhibition strength of branched DBSA compare to linear DBSA.

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APA: Copy

SHADMAN, M.M., VAFAIE SEFTIE, M., & SAEEDI DEHAGHANI, A.H.. (2013). THE EFFECT OF LINEAR AND BRANCHED INHIBITORS ON ASPHALTENE PRECIPITATION IN CRUDE OIL USING THE VISCOMETRIC METHOD. PETROLEUM RESEARCH, 23(75), 30-39. SID. https://sid.ir/paper/114982/en

Vancouver: Copy

SHADMAN M.M., VAFAIE SEFTIE M., SAEEDI DEHAGHANI A.H.. THE EFFECT OF LINEAR AND BRANCHED INHIBITORS ON ASPHALTENE PRECIPITATION IN CRUDE OIL USING THE VISCOMETRIC METHOD. PETROLEUM RESEARCH[Internet]. 2013;23(75):30-39. Available from: https://sid.ir/paper/114982/en

IEEE: Copy

M.M. SHADMAN, M. VAFAIE SEFTIE, and A.H. SAEEDI DEHAGHANI, “THE EFFECT OF LINEAR AND BRANCHED INHIBITORS ON ASPHALTENE PRECIPITATION IN CRUDE OIL USING THE VISCOMETRIC METHOD,” PETROLEUM RESEARCH, vol. 23, no. 75, pp. 30–39, 2013, [Online]. Available: https://sid.ir/paper/114982/en

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