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Surfactants as Demulsifiers

Noor Rashid, Khairul Fikri (2011) Surfactants as Demulsifiers. Universiti Teknologi Petronas. (Unpublished)

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Abstract

In oil production, the generation of heavy oil/water emulsion can result in significant drop in the production rate due to the high viscosities of the emulsions. The strong agitation and mixing that takes place at the inlet of the well bore together with the presence of the naturally existing emulsifying agents in the crude contribute to the formation of emulsion. Water and oil emulsion formation presents an on-going production issue receiving considerable technical consideration. The formation of emulsion is ultimately cause economics problem, both in terms of expensive chemicals used and due to the daily production losses. Effective separation of oil and water become an essential operation in order to ensure not only the quality of the crude oil is obtained but also the quality of separated water at the lowest cost. Due to these remarkable issues, there are number of methods that could be applied in order to mitigate these problems such as injection of surfactants into the formation and also surface treatment in order to disrupt the interfacial film and enhance the speed for emulsion breaking (chemical demulsification). Downhole demulsification of crude oil increases well production by reducing vertical flow pressure loss. There are also other major treatments like heating or electrocoalesence but they seem not so practical and effective. The objective of this project is to identit)' and compare the results of different surfactants onto the emulsion particles. These will cover lots of samples to be tested during the separation test experiments. The results will show the effect of different surfactants on the rate of separation of crude oil and water from the emulsion. The better the separation, the better the demulsifier is. In spite of the volume of separation, the quality of the crude oil and water also been focused along running the experiments. Results of such trials have been discussed in this project that shows promising success.

Item Type: Final Year Project
Academic Subject : Academic Department - Petroleum Geosciences - Petroleum Engineering - Reservoir Engineering - EOR and IOR - Miscible diplacement
Subject: T Technology > T Technology (General)
Divisions: Geoscience and Petroleum Engineering
Depositing User: Users 2053 not found.
Date Deposited: 09 Oct 2013 11:07
Last Modified: 25 Jan 2017 09:42
URI: http://utpedia.utp.edu.my/id/eprint/8731

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