Comparative Precipitation of Heavy Organics from Wellhead, Separator and Flowline Crude Oil Samples using hydrocarbon solvents of different chain length
Journal Title: IOSR Journal of Applied Chemistry (IOSR-JAC) - Year 2018, Vol 11, Issue 1
Abstract
The effect of difference in carbon number of the n-alkane precipitants on the precipitation of heavy organics from wellhead, separator and flowline crude oil samples was studied. N-pentane, n-hexane, n-heptane and their corresponding binary mixtures were used to precipitate the heavy organics from the crude oils using the simple or normal laboratory precipitation method. The result obtained showed that n-pentane precipitant yielded the highest precipitate at the three locations of the production system while n-heptane yielded the least precipitate (nC5> nC6 > nC7). Similarly, 1:1 nC5:nC6 binary mixtures recorded the highest precipitates while 1:1 nC6:nC7 recorded the least (1:1 nC5:nC6> 1:1 nC5:nC7> 1:1 nC6:nC7). The result is in agreement with previous reports that the lower carbon number n-alkane precipitants yield more precipitate than the higher carbon number. Crude oils from wellhead showed the highest precipitation tendency followed by those from Flowline and Separator.
Authors and Affiliations
Udourioh G. A. , Achugasim O. , Ofodile S. E. , Okoye I. P.
Keywords
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- EP ID EP413945
- DOI 10.9790/5736-1101013541.
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