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Sonny Irawan

Nazarbayev University

Dr. Sonny Irawan is an associate professor of the Petroleum Engineering Department, School of Mining and Geoscience, Nazarbayev University, Kazakhstan. He holds a BSc, MSc, and Ph.D. in Drilling Engineering. He has more than 24 years of teaching and supervisory experience in petroleum engineering, including academic program development and drilling engineering facilities establishment. He was appointed a visiting professor at universities in Malaysia, Indonesia, and Kazakhstan. He has also served as a peer reviewer and external examiner expert and has sat on advisory panels. He has published technical papers on drilling engineering and well intervention for conferences and journals and authored three book chapters. He is also involved in more than twenty industrial research projects on well design for enhanced oil recovery (EOR), conventional and unconventional reservoirs, drilling fluid, cementing, well stimulation, nanotechnology application, and machine learning in drilling engineering.

1books edited

1chapters authored

Latest work with IntechOpen by Sonny Irawan

Exploring the world of oil well drilling reveals an interesting mix of technology, well completion, and engineering prowess. Drilling oil wells, a cornerstone of global energy production, involves a complex series of processes designed to extract hydrocarbons from deep within the Earth’s crust. This book provides a comprehensive overview of the current state of the art in drilling, exploring topics such as nanotechnology use in advanced oil well drilling, oil well completion strategy, drilling fluid chemistry, positive displacement motor design and performance, sonic drilling, and future drilling technology and development.

Exploring the World of Drilling

Exploring the World of Drilling

Edited by Sonny Irawan

Chapters authored

Aggregation of Partially Hydrophilic Silica Nanoparticles in Porous Media: Quantitative and Qualitative Analysis

By Siti Rohaida Mohd Shafian, Ismail M. Saaid, Norzafirah Razali, Ahmad Fadhil Jahari and Sonny Irawan

In this experimental work, the adsorption of partially hydrophilic silica nanoparticles, SiO2 has been investigated to determine the degree of silica nanoparticle aggregation in the porous media. An integrated quantitative and qualitative method was used by flowing silica nanoparticles into Buff Berea cores and glass micromodel. Water wet Buff Berea cores were flooded with 5 pore volumes of 0.05% silica nanoparticles solution followed by 10 pore volumes of brine post flush subjected to 30 and 60°C. The pressure drops increased rapidly at the initial stage of silica nanoparticles injection indicated the adsorption had taken place. Pressure drops reached the maximum value of ~3.1 psi and between 26.6–82.6 psi at 30 and 60°C respectively. Pressure drops gradually declined and stabilized in between ~0.4 and ~0.7 psi after couple of pore volumes of brine post flush, suggesting complete reversible and irreversible adsorption. Micromodel test provide qualitative information where the straining or log-jamming observed in the form of gelled-like suspension when silica nanoparticles in contact with brine. The adsorption is considered reversible when the suspension decreased after post flooded with brine. Silica nanoparticles used in this experimental work shows minimal aggregation that can be beneficial as improved oil recovery agent.

Part of the book: Nano- and Microencapsulation

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