Production Chemistry Symposium 2025

25 years' industry experience, having specialized in oilfield scaling over 20 years within oilfield chemical services companies. His expertise spans scale inhibitor development, testing, scale risk evaluation, scale squeeze treatment design, and general scale management.

Marc joined Italmatch in 2023 with responsibility for the Well Technology product portfolio.

Lara is currently working as Sr Researcher in Equinor Brazil since 2021, responsible for the process technology R&D portfolio in Brazil, mainly in topics related to oil&gas processing and produced water treatment. Lara’s academic background is in chemical engineering, with master's degree and doctorate in Chemical and Biochemical Process Engineering by the Federal University of Rio de Janeiro, with focus on modeling and simulation of unit operations for O&G processing.

Christophe graduated in 2005 from the National School of Chemical and Process Engineering (ENSIC) in France. He began his career with two years at an engineering company in the oil and gas sector, working on an LNG project with a focus on design and technical documentation. Since 2007, he has held various positions at TotalEnergies. From 2007 to 2011, he was responsible for laboratory activities related to water processes, undertaking technical missions at refineries to optimize sour water stripper operations. From 2011 to 2017, he managed a laboratory evaluating bitumen crude oil and addressing H2S issues in bitumen. From 2017 to 2022, he served as a scheduler at a refinery, overseeing multiple production flows and managing the project improvement plan of the site. Since 2022, Christophe has been providing technical assistance on crude processing at TotalEnergies refineries, evaluating new crude types and acting as the focal point for H2S issues.

In Matt’s 14 years providing specialist on-site trace contaminant analysis to energy sector, he has worked in more than 24 Countries and for more than 60 clients. Through his career he has developed a robust understanding of the specific complications associated with sampling and analysis for certain trace contaminants such as mercury, oxygen and sulphur species. Whilst his role at Qa3 now sees him manage a significant proportion of the company’s operations, he continues to attend sites around the world furthering his knowledge of the impact of trace contaminants in our industry, servicing the entire value chain from well testing through to decommissioning.

Ryan has a Masters in Chemistry with Environmental Chemistry from Edinburgh University with 15 years Oilfield Chemistry experience work, both onshore and offshore, in UK and Norwegian sector.

Yamael is Junior Fluid Treatment Engineer at TotalEnergies OneTech, graduate of ENSIC Nancy (France).

Yamael is specialized in process engineering for energy and environment, with experience in industrial risk management and process modeling.

Warren has an BSc - Marine Chemistry, PhD - Analytical Chemistry,

Angela has a degree in Chemistry from the State University of Western Paraná (Unioeste) and a master's and Ph.D. in Chemical and Biochemical Process Engineering from the Federal University of Rio de Janeiro (UFRJ), both in Brazil. Her research expertise includes petroleum emulsions, parafinic oils, colloids, interfacial phenomena, and polymers. Throughout my career, she has led and participated in research projects with prominent industry partners, including Petrobras, Equinor, and Shell. Angela is currently a full researcher at the Laboratory of Physical Chemistry of Surfactants (LASURF) at the Pontifical Catholic University of Rio de Janeiro (PUC-Rio), where she focus on emulsion formation and stability, asphaltenes, interfacial tension, rheology, and oil and grease quantification.

Andrew has worked on oilfield organic deposits for over 10 years. He has designed several new testing methodologies and equipment to improve correlation between laboratory testing and field behaviour. He has authored a number of publications on asphaltenes, wax, naphthenates and mercury phase behaviour, and collaborates extensively across the industry to find solutions to production chemistry challenges.

Stephan obtained his PhD degree in chemistry in 2003 before entering into catalysis research division of BASF (Ludwigshafen, Germany). He later transferred to the oil and gas sector, heading the central laboratory of Wintershall. Positions as technology manager in Den Haag (Netherlands) and head of research and development (Germany) followed.

Since 2016, he is working as the global advisor in production chemistry in Stavanger (Norway).

Ole is a Senior Account Manager at Baker Hughes, working in the Upstream Chemicals operations team in Norway. With 15 years of experience in the oil and gas industry, he specializes in a wide range of production chemical applications, with a particular focus on H₂S management. His expertise spans both onshore and offshore operations, including process monitoring, product implementation, and field optimization. Ole has been involved in both short-term and long-term projects, such as field studies, field start-ups and piloting new technology trials.

Steve is a PhD chemist with more than 20 years of industry experience in technical and management functions within BASF, Wintershall, and Wintershall Dea in several locations. Currently active as global advisor for production chemistry within the company.

Mozhdeh is a PhD student in the Flow Assurance and Scale Team (FAST) at the Institute of GeoEnergy Engineering, Heriot-Watt University. She holds a BSc in Reservoir Engineering from the Petroleum University of Technology, where her interest in IOR/EOR processes, gas injection, and reservoir simulation inspired her thesis on “simulating retrograde dew point pressure variations in retrograde reservoirs during production scenarios.” Mozhdeh later earned an MSc in Reservoir Engineering from Tehran University, where I focused on controlling asphaltene aggregation using metal oxide nanoparticles to enhance heavy oil recovery.

Karen works as Project Manager in Clariant Oil Services, Norway. She is a BSc chemist with more than 18 years' experience in the oil and gas industry.

William completed his Integrated Masters (MEng) in Petroleum Engineering at the University of Leeds, where he went on to complete a PhD in mineral scaling and surface science. Working for SLB Production Chemistry since 2020, he provides scale management and support

Michael has worked in the energy industry for 14 years in a range of technical roles, and is now Expro's SME for onsite analysis, in particular mercury and other trace measurements. His interests lie not just in oil and gas applications but also in finding solutions for new energy challenges including CCUS, Hydrogen and Geothermal.

Olav has more than 22 years of industry experience and holds a Master degree in mechanical engineering from NTNU. He started as a Coiled Tubing Field Engineer with SLB in 2003 and has since held a variety of positions in SLB spanning across intervention, seismic and supply chain. Most of his career have been in Norway but he also has some years abroad living and working in Germany, Scotland and UAE. The last 5 years he has held the position as Production Systems Manager looking after SLBs production chemistry, completions, artificial lift and surface production systems business in Scandinavia.

Marco is Associate Professor at Aalborg University (Denmark), where he is part of the Section in Chemical and BioEngineering. He holds a PhD in Industrial Chemical Processes, and his research focuses on high-pressure technology related to natural gas, dense CO2, and hydrothermal processes. In the last five years he has particularly focused on H2S scavenging of natural gas and on developing novel methods for improving the implementation of MEA-triazine with the aim of reducing operating costs and environmental impact. He authored/co-authored 130+ publications, of which 45+ peer-reviewed publications on international journals, and he is co-inventor of two patents granted in USA, Europe, and other countries.

Rasoul is a Sr. researcher at Nouryon. He is a petroleum engineer with expertise in oilfield chemicals with 14 years oil & gas industry experience dealing with many aspects of production, stimulation and drilling fluid chemistry management. He holds PhD in petroleum engineering from Heriot-Watt University. He has authored or coauthored more than 35 technical papers.

Shabnam is a PhD Researcher in Flow Assurance and Scale Team (FAST) at the Institute of GeoEnergy Engineering at Heriot Watt University. She commenced her postgraduate studies in January 2023. Her current research focuses on developing a methodology to study silica scale and its management in high and low temperature geothermal heat recovery systems. Shabnam earned her BSc in Chemical Engineering from Tabriz University and then her MSc from Tarbiat Modares University. She has a demonstrated history of working for more than 8 years in the oil & energy industry with skills in process engineering, petrochemical and refinery plants.

Ike is an experienced scientist with specialties in scale control and formation damage identification and mitigation. Ike uses his skills to bridge the gap between Chemistry and Subsurface Geology; helping to anticipate potential problems, suggest solutions and monitor the effectiveness of chemical treatments. He has contributed significantly to the development of coreflood protocols for solving challenging oilfield problems. Currently a RD&E Lead Chemist at ChampionX, Ike is actively developing field realistic test protocols for subsurface chemical applications such as sand control, scale squeezes and produced water re-injection. He utilizes his skills to ensure wells keep flowing and is instrumental in derisking oil and gas production operations and designing mitigation strategies for problematic wells. His work ensures that chemicals don’t induce formation damage while solving real field problems. He has been involved both as a lead author and co-author in multiple internationally published papers and journals.

Dr. Nihal beyesekere is the Head of Global Integrity Management at Clariant Oil and Mining Services.

Nihal is a highly active member of the National Association of Corrosion Engineers (NACE), now AMPP, Technical Committees that focus on Deepwater, Sour Gas Corrosion, and High-Temperature Stable Corrosion challenges in the oil and gas production industry. Nihal has chaired and participated in many NACE Task Groups and Symposia involving Sour Gas Corrosion, Corrosion Prediction, High-Temperature Stable Inhibitors and Deepwater Corrosion/Scale issues. He also served as the Program Coordinator in “Corrosion Prevention and Control for Oil and Gas Production, Petroleum Refining, and Gas Processing Industries” for NACE International. Nihal has recently served as the Chair of AMPP’s Standards Committee 13 (SC 13)

Dr. Obeyesekere holds five patents and has a very impressive publication record, having authored and co-authored 90 scientific publications (including a book chapter) in various technical journals and industry conference proceedings.

Oluwatosin Matthew Ogundipe has a bachelor’s degree in Applied Geology and a master's degree in Petroleum Engineering. His key competencies are subsurface geology, reservoir characterization, reservoir modelling and petroleum engineering. He is studying for a PhD in the Flow Assurance and Scale Team (FAST), Institute of Geo-Energy Engineering, Heriot-Watt University. His research is “Modelling Halite Deposition During CO2 Injection in Saline Aquifers: Simulation Study of its Formation and Management.” His research is sponsored by Petroleum Technology Development Fund, Nigeria (PTDF), Energi Simulation and FAST. He is keenly interested in the subsurface storage of CO2 as a viable technology alongside other decarbonization scenarios for reducing greenhouse gas emissions.

Aurora is an Associate Professor in the Chemistry Department at the Pontifical Catholic University of Rio de Janeiro (PUC-Rio), and the coordinator of the Laboratory of Physical-Chemistry of Surfactants (LASURF). She has a PhD in Chemistry from Dalhousie University, Canada. Expertise on applied physical chemistry, with an emphasis on molecular interactions and organization of surfactants, polymers, and nanoparticles in solution and at interfaces, with applications in multiphasic fluids such as foams, emulsions, and nanofluids. Research interests focus on applied studies of colloidal systems in complex fluids and at the pore scale, alongside the development of advanced analytical methods, contributing to sustainable energy practices and advancing decarbonization efforts in energy-related sectors.

I’m a Senior Product Manager with more than 20 years of experience in international contexts in the oil&gas business and industrial chemistry sector. During my career, I have managed multidisciplinary teams with people from different nationalities for the achievement of complex objectives in the field of hydrocarbon production and in the marketing & development of chemical products for the petroleum industry. My domain of expertise are flow assurance, asset integrity and production optimization for the usptream assets.

Diego is a Process Engineer with 13 years of experience in the oil & gas industry. He is graduated in Chemical Engineering at UFRJ, Brazil, and post-graduated in Process Engineering at PUC-RJ, Brazil. Background in upstream process technologies and chemicals for oil and gas production, produced water and sea water treatments. Currently working in qualifying chemicals for oilfield projects for Equinor in Brazil”

I am an Assistant Professor at Heriot Watt University. My research is focused in all aspects of Scale Squeeze Treatments, and lately, applying Machine Learning techniques to design and optimise flow assurance treatments, including scale, acid stimulation, corrosion, hydrate formation, and asphaltene deposition.

Nathalia holds a Bachelor's and a Master's degree in Chemical Engineering, as well as a Ph.D. in Environmental Engineering. She works as a consultant at the Danish Technological Institute, specializing in production chemistry. Her work primarily involves designing setups and testing gaseous releases from chemical mixtures, with a particular focus on hydrogen sulfide. Nathalia is also a specialist in gas measurement techniques.