NDLI: Evaluation of Fluid Behaviour and Mixing Efficiency in Predefined Serpentine Micro-Fracture System

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Pawar, Gorakh Miskovic, Ilija Basavarajappa, Manjunath
Copyright Year	2013
Abstract	Scientific research and development in the field of microfluidics and nanofluidics technology has witnessed a rapid expansion in recent years. Microfluidic and nanofluidic systems are finding increasing application in wide spectrum of biomedical and engineering fields, including oil and gas technology. Fluid flow characterization in porous geologic media is an important factor for predicting and improving oil and gas recovery. By developing understanding about the propagation of hydraulic fracturing fluid constituents in irregular micro- and nano-structures, and their multiphase interaction with reservoir fluids (e.g. mixing of supercritical CO2 with oil or gas) we can significantly improve efficiency of the current oil and gas (O&G) extraction process and reduce associated environmental impacts. In present paper, mixing of hydraulic fracturing fluid constituents in three dimensional serpentine microchannel system is simulated in CFD environment and results are used to evaluate mixing efficiency for different fracturing fluid compositions. In addition, pressure drop along the length of serpentine micro-channel is evaluated. Serpentine micro-channels considered in this study consist of periodic symmetrical and asymmetrical proppant particles, placed on both sides of the channel over the full length of the channel, to simulate realistic geometrical constraints usually seen in geological fractures. The fluid flow is characterized as a function of the proppant particle radius by varying size of adjacent proppant particles. Further, the flow is characterized by varying distance between adjacent proppant particles. Overall, this study will be primarily helpful to gain fundamental understanding of fracturing fluid mixing in micro-fractures, similar to real geologic media. In addition, this study will provide an insight into variations of fracturing fluid mixing efficiency, and pressure drop in micro-fracture systems as a function of geometry of the proppant particles at different flow rates.
File Format	PDF
ISBN	9780791856321
DOI	10.1115/IMECE2013-65124
Volume Number	Volume 7B: Fluids Engineering Systems and Technologies
Conference Proceedings	ASME 2013 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2013-11-15
Publisher Place	San Diego, California, USA
Access Restriction	Subscribed
Subject Keyword	Fluid dynamics Computational fluid dynamics Fracture (materials) Nanostructures Flow (dynamics) Hydraulic fracturing Microchannels Geometry Fracture (process) Fluids Biomedicine Supercritical carbon dioxide Pressure drop Industrial research Particulate matter Reservoirs Nanofluidics Symmetry (physics) Microfluidics
Content Type	Text
Resource Type	Article

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