Title

Modeling Preformed Particle Gel Swelling (PPG) and Deswelling Kinetics

Presenter Information

Pei Chuen Chia

Department

Geosciences and Geological and Petroleum Engineering

Major

Petroleum Engineering

Research Advisor

Bai, Baojun

Advisor's Department

Geosciences and Geological and Petroleum Engineering

Funding Source

Missouri S&T Opportunities for Undergraduate Research Experiences (OURE) Program

Abstract

Preformed Particle Gels(PPG) have been injected into mature oil reservoirs as a form of conformance control to decrease reservoir heterogeneity to improve sweep efficiencies during water injection for enhanced oil recovery. The ultimate purpose of this research is to provide a fundamental basis for gel selection. This work involves the study of swelling and deswelling kinetics of cross linked Acrylamide/ Potassium Acrylate Copolymer Preformed Particle Gels. The swelling and deswelling kinetic curves of the PPG were measured and their swelling and deswelling kinetic parameters were estimated. The activation energy for PPG’s swelling and deswelling was found. The equilibrium swelling ratios of the PPG in brine solutions of different concentrations were determined from both the swelling and deswelling processes. Results showed that PPG swelling capacity increases with temperature but decreases with salinity. PPG deswelling capacity increases with temperature and also salinity.

Biography

Pei Chuen Chia is a senior majoring in Petroleum Engineering at Missouri S&T. She is from Kuala Lumpur, Malaysia. Pei Chuen has attended Missouri S&T since Fall 2006, and has been an Undergraduate Research Assistant for Dr.Baojun Bai since 2008. She is on course to graduate this May.

Research Category

Engineering

Presentation Type

Poster Presentation

Document Type

Poster

Award

Engineering poster session, Second place

Location

Upper Atrium/Hallway

Presentation Date

07 Apr 2010, 1:00 pm - 3:00 pm

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Apr 7th, 1:00 PM Apr 7th, 3:00 PM

Modeling Preformed Particle Gel Swelling (PPG) and Deswelling Kinetics

Upper Atrium/Hallway

Preformed Particle Gels(PPG) have been injected into mature oil reservoirs as a form of conformance control to decrease reservoir heterogeneity to improve sweep efficiencies during water injection for enhanced oil recovery. The ultimate purpose of this research is to provide a fundamental basis for gel selection. This work involves the study of swelling and deswelling kinetics of cross linked Acrylamide/ Potassium Acrylate Copolymer Preformed Particle Gels. The swelling and deswelling kinetic curves of the PPG were measured and their swelling and deswelling kinetic parameters were estimated. The activation energy for PPG’s swelling and deswelling was found. The equilibrium swelling ratios of the PPG in brine solutions of different concentrations were determined from both the swelling and deswelling processes. Results showed that PPG swelling capacity increases with temperature but decreases with salinity. PPG deswelling capacity increases with temperature and also salinity.