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Visualization of Asphaltene Deposition and Removal Using Microfluidic

Recorded On: 06/28/2018

Asphaltene deposition is a common cause of significant flow assurance problems in wellbores and production equipment as well as near-wellbore regions in oil reservoirs. Asphaltenes are surface-active and stabilize water-in-oil emulsions by flocculating and coagulating at interfaces. Commercial dispersants have been developed to mitigate asphaltene deposition, but their role on the interfacial properties of asphaltene films is unclear. My lab has generated micromodels, which are combined with high-speed imaging to visualize asphaltene deposition and transport in microfluidic devices with permeability contrasts, fractures, and multiple phases. The surfaces can be altered to mimic the chemistry and wettability found in reservoir systems. I will discuss how these devices can be utilized to advance our understanding of oil flow processes and design better strategies to address flow assurance problems.

Dr. S. Lisa Biswal

Associate Professor, Department of Chemical and Biomolecular Engineering, Rice University

Dr. Biswal is an Associate Professor in the Department of Chemical and Biomolecular Engineering at Rice University in Houston, TX and leads the Soft Matter Engineering Laboratory. Dr. Biswal’s research focuses on multiphase flow and interfacial phenomena. Research examples include directed assembly of colloidal systems with magnetic fields, nanomaterials for energy, and the understanding and manipulation of microscale fluids for oil processes. She has a B.S in chemical engineering from Caltech (1999) and a Ph.D. in chemical engineering from Stanford University (2004). She is the recipient of an ONR Young Investigator Award (2008), a National Science Foundation CAREER award (2009), the Southwest Texas Section AICHE Best Fundamental Paper Award (2014), and the George R. Brown Award for Superior Teaching (2015). Biswal has authored or coauthored more than 70 peer-reviewed publications and holds 5 US patents/patent disclosures.

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06/28/2018 at 1:00 PM (EDT)   |  60 minutes
06/28/2018 at 1:00 PM (EDT)   |  60 minutes
0.10 CEU/1 PDH credits  |  Certificate available
0.10 CEU/1 PDH credits  |  Certificate available