2006•Special Oil & Gas ReservoirsRequires access

Study of low temperature demulsifier formulation for super heavy oil in Liaohe oil province

Xiaoli Yang

Abstract

The dewatering effect of 15 kinds of water-soluble low temperature demulsifier intermediates for super-heavy oil of Liaohe oilfield has been tested.Then 10 of the intermediates are selected to conduct combinational experiment.The combinational pair TY08+TY10,which possesses better dewatering effect,is selected to carry on orthogonal experiment.The optimization formulation for superheavy oil low temperature dewatering is obtained.And it has a dewatering ratio of 95.6% within 48h(water content ratio of treated oil 1.85%).This has better economic and social benefit.

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Key concepts: Dewatering, Demulsifier, Petroleum engineering, Chemistry, Pulp and paper industry, Crude oil, Environmental science, Waste management