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One of the most challenging issues faced by the oil and gas industry is the formation of crude oil emulsion. The emulsion formation will lead to inconsistency in the production performance, which directly affects the economic growth of the industry. Based on previous researches, traditional practices by the industry mainly focus on the thermal, demulsifiers, and electrical methods on crude oil de-emulsification process. Current de-emulsification methods are less effective as they long time for the separation process to complete. Thus, this research is intended to study the effect of the ultrasonic wave on demulsification process as a new approach in solving crude oil emulsion related problem. Ultrasonic wave has high potential in enhancing the separation rate as it has been used in oil sludge treatment. Three tests were conducted on each treated emulsion to study the behaviour for more intensive analysis which are Bottle Test, Cross- Polarized Microscope (CPM) and Karl Fischer (KF) titration. Crude oil from Terengganu Crude Oil Terminal (TCOT) produced by PETRONAS Carigali Sdn Bhd were utilised throughout the research. The combination of the parameters were studied and analysed to identify the optimum demulsification process by using the Design Expert 6 software. Ultrasonic irradiation was performed and compared with base sample.

Study on the effect of ultrasonic wave amplitude on de-emulsification of crude oil to enhance production process