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Abstract
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Article Information:
Research on Demulsification Features of Polymer Flooding Produced Fluids of O/W with High Water Content for Oilfield and the Demulsification Efficacy
Gui-Quan Jiang, Li Wei and Chun-Ying Li
Corresponding Author: Gui-Quan Jiang
Submitted: May 01, 2012
Accepted: June 08, 2012
Published: November 01, 2012 |
Abstract:
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In this study, we select the effective demulsifier for crude oil through analyzing the stability
factors of polymer flooding Produced Fluids with high water content and carry out the field test research.
The results demonstrate the stability of the crude oil emulsion enhanced with the increasing of polymer
concentration, which resulting the increasing of the membrane strength of oil-water interface, the elastic
shear modulus of oil-water interface decreased. The field tested results of the selected crude demulsifier
DQ-10 show that the average water rate in the oil dialed with the free water knockout drums is 5.39%, the
water rate in exporting oil is less than 0.3% and the oil content in sewage is not more than 500 mg/L. The
test results demonstrate that the prepared demulsifier can ensure the average water rate in oil and the oil
content in sewage, which reveals that the demulsifier can be applied in the production of crude oil
dehydration and be able to satisfy the demand of production. In that way, the annual expenses for crude oil
demulsifier can be decreased by 260,000 Yuan RMB.
Key words: Demulsifier, efficacy, electro-dehydration process, polymer flooding produced fluids of O/W in oilfield, , ,
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Cite this Reference:
Gui-Quan Jiang, Li Wei and Chun-Ying Li, . Research on Demulsification Features of Polymer Flooding Produced Fluids of O/W with High Water Content for Oilfield and the Demulsification Efficacy. Research Journal of Applied Sciences, Engineering and Technology, (21): 4443-4448.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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