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Production Chemistry Symposium 2025
Mar. 25–28
Vestlia Resort, GEILO
About Program Program Committee Fees Exhibitors / Sponsors Accommodation Travel info Short Course Speakers

Production Chemistry Symposium 2025

Print program
Tuesday 25 March
kl. 14:30–15:00
Registration Short Course
kl. 15:00–19:00
Protecting Your Reservoir & Equipment from the Risks of Microbial Contamination
Kenneth Wunch and Alsu Valiakhmetova, Lanxess Materials Protection Products, USA

Kenneth Wunch and Alsu Valiakhmetova, LANXESS, Materials Protection Products, USA

kl. 19:30–20:00
Registration Symposium

In the hotel lounge/bar

kl. 20:00–22:30
Dinner in the hotel restaurant
Wednesday 26 March
kl. 08:00–08:30
Registration

For those not registered 25th March

kl. 08:30–08:35
Welcome
Kristian Sandengen, Equinor and Lise Olaussen, Tekna
kl. 08:35–09:00
The lessons learned from blockages in a downhole asphaltene injection line for the Oda field in Norway

Authors: Ryan Clark, Mitchell King, Baker Huges, Mariana A. Manrique, Aker BP, Norway, Colin Smith, Wood, UK, Kristin Kjørsvik

Ryan Terry Clark , Baker Hughes
Session: CASE HISTORIES AND H2S
Chair 2025 Kristian Sandengen, Equinor, Norway , Ragnhild Nautnes, OKEA
kl. 09:00–09:30
Experiences from using the right (or wrong?) preservation fluid

Authors: Maria Lioliou, Tania Byrkjeland, Elena Skokova Equinor ASA

Maria Lioliou , Equinor ASA
kl. 09:30–10:00
Approaches to Corrosion Management in Offshore Cooling Systems

Authors: Afrooz Barnoush, Aditi Mhatre, Oystein Birketveit, SLB

Afrooz Barnoush , Schlumberger Norge
kl. 10:00–10:30
Break/Refreshments

40th year anniversary cake

kl. 10:30–11:00
H2S scavenging of produced gas using MEA-triazine: A mixed blessing

Authors: Marco Maschietti, Nicolai Nielsen, Sergey Kucheryavskiy, Reinhard Wimmer, Aalborg University, Denmark

Marco Maschietti , Aalborg Universitet
kl. 11:00–11:30
Field experience of the most common H2S scavenger: H2S recycling leading to elevated Sulphur concentration.
Ole Haugvaldstad , Baker Hughes Norge AS
kl. 11:30–12:00
Successful field evaluation of MBO H2S Scavenger

Authors: Christophe Bolliet, Total Energies, Dugald MacDougall, Mark Campbell, Kristina Barbuto, SLB, Nik Ostojic, Stuart Brice, Salima Baraka-Lokmane, Total Energies, France

Christophe Bolliet , TotalEnergies
kl. 12:00–15:00
Lunch break

The lunch buffe is open from 1200 to 1330

Session: INNOVATION
Chair: Maria Lioliou, Equinor, Kolbjørn Johansen, Aker BP
kl. 15:30–16:00
Laboratory Qualification of Induced Mineral Scale Barrier Technology for Zonal Isolation Application in a Northern North Sea Field.

Authors: March Archibald, Raul Antonio Di Toto, Italmatch, Italy, Samantha Wilson, Chris Keyes, Scaled Solutions, UK

Raul Antonio Di Toto , Italmatch Chemicals S.p.A.
kl. 16:00–16:30
Ensemble Machine Learning to Predict Scale inhibitor Squeeze Treatments Lifetime

Author: Oscar Vazquez, Mahdi Kalantari Meybodi, Heriot-Watt University, Nichola Fowler, Krystal Clark, Baker Hughes, UK

Oscar Vazquez De La Varga , Heriot-Watt University
kl. 16:30–17:00
Break/Refreshments
Session: FLOW ASSURANCE
Chair: Maria Lioliou, Equinor, Kolbjørn Johansen, Aker BP
kl. 17:00–17:30
A Reliable, Less Conservative Approach to Wax Management: Case Histories for North Sea Fields

Authors: Andrew Robert Farrell, Dario Marcello Frigo, Scaled Solutions, Uk, Stephan Tobias Hatscher, Harbour Energies, Norway

Andrew Farrell , Scaled Solutions
kl. 17:30–18:00
Impact of Oil Cut and Properties on the Kinetic Properties of Crude to Delay Hydrate Formation

Autgors: Yamael Clugery, Nicolas Lesage, Emerick Labielle, Annie Fidel-Dufour, Total Energies, France

Yamael Clugery , TotalEnergies
kl. 18:00–18:20
The Chemists save the world
Olav Lien , Schlumberger
kl. 18:20–19:15
Music Quiz

Servings: Beverages and snacks

kl. 19:15
End program day one
kl. 20:00–22:30
Dinner in the hotel restaurant
Thursday 27 March
Session: SEPARATION
Chair: Gordon Graham, Scaled Solutions, Øystein Birketveit, SLB
kl. 08:30–09:00
How to handle emulsions stabilized by solids? From challenge understanding to demulsifier development

Authors: Eleonore Jobin, David Fretard, Total Energies, France

Eléonore Jobin , TotalEnergies Additives and Fuels Solutions
kl. 09:00–09:30
Influence of intact and degraded sulfonated polyacrylamide on heavy oil emulsion stability

Authors: Angela Camila Duncke, Camila Novo, Mônica Netto, Gabriel Gonçalves, Paulo R. de Souza Mendes, Aurora Pérez-Gramatges, Pontifical Catholic University of Rio de Janeiro, Brazil

Angela Camila Pinto Duncke , PUC-Rio - Pontíficia Universidade Católica do Rio de Janeiro
kl. 09:30–10:00
Interative Demulsifier Optimization for Improved Separation and Crude Quality

Authors: Karen Immerstein and Terje H. Bratseth, Clariant Oil Services, Norway

Karen Molde Immerstein , Clariant
kl. 10:00–10:30
Break/Refreshments
Session: MERCURY
Chair: Gordon Graham, Scaled Solutions, Øystein Birketveit, SLB
kl. 10:30–11:00
Accumulation and Release of Mercury During Processing of Natural Gas
Michael Langford , Expro North Sea
kl. 11:00–11:30
Mercury- Why did it go undetected during Dvalin DST?

Authors: Stephan Hatcher, Harbour Energy, Kaja Klæbo Hjelseth, Kristian Sandengen, Equinor

Stephan Tobias Hatscher , Harbour Energy
kl. 11:30–12:00
Solubility and Fate of Mercury in Gas Processing Solvents

Authors: Warran Corns, Matthew Dexter, Giamarco De Fao, Shaun Lancaster, PS Analytical, UK

Warren T Corns , PS Analytical
kl. 12:00–12:30
Mercury scavenging chemicals

Authors; Ernesto Petteruti, Andrea Quaranta, Marco Buccolini, Chimec, Italy

Ernesto Petteruti , Chimec S.p.A
kl. 12:30–15:00
Lunch break

Lunch Buffe is open from 1230 to 1400

Session: CORROSION
Chair: Oscar Vazquez, Heriott-Watt University, Gill Ross, Scaled Solutions
kl. 15:30–16:00
Influence of intact and degraded sulfonated polyacrylamide on heavy oil emulsion stability

Authors: Nihal Obeyesekere, Thusitha Wickramamrachchi, Clariant Oil Services, UK

Nihal Uditha Obeyesekere , Clariant
kl. 16:00–16:30
The Unconsidered Route for Corrosion - Flare Gas Recovery Systems - A Case Study

Authors: Kieran Stewart, Matt Kirby, Qa3 Ltd, UK

Matt Bower , Qa3 Ltd
kl. 16:30–17:00
Break / Refreshments
Session: METHODS AND ANALYSES
Chair: Oscar Vazquez, Heriott-Watt University, Gill Ross, Scaled Solutions

kl. 17:00–17:30
Testing of chemical compatibility and formation of hydrogen sulfide for well operations

Authors: Nathalia Thygesen Vechi, Quynh Thu Nguyen, Laura Tiano, Ketil Sørensen, Teknologisk institutt, Denmark

Nathalia Thygesen Vechi , DTI
kl. 17:30–18:00
Interlaboratory Comparison of Two SEC-Based Methods for Quantifying Polymers in Produced Water from Oilfields

Authors: Eduardo José Creatto, Luis Maqueira Espinosa, Daniel da Silva Vicente, Aurora Pérez-Gramatges: Pontifical Catholic University of Rio de Janeiro, Brazil Thierry Leblanc, Nathaniel Terra: SNF SA, France, Lara Arinelli, Equinor Brazil

Aurora Pérez-Gramatges , PUC-Rio - Pontíficia Universidade Católica do Rio de Janeiro
Lara Arinelli , Equinor Brasil
kl. 18:00–18:05
Short Break
POSTER SESSION
Chairs: Oscar Vazquez, Heriott-Watt University, Gill Ross, Scaled Solutions
kl. 18:05–18:08
A Field Case Study Validating the Use of a Kinetic Scaling Risk Model to Predict the Metastability of Barium Sulfate

Authors: Andrew Fyfe, David Nicolls, Sandy Steven, Myles Jordan, Scaled Solutions

Andrew Fyfe , Scaled Solutions Ltd
kl. 18:08–18:11
A comparative study between corrosion in sour environments generated by Na2S.9H2O salt and H2S gas

Authors: Nicholas Stainly, Hunter Thomson, Gordon Graham, Sclaled Solutions

Nicholas Stanley , Scaled Solutions Ltd
kl. 18:11–18:14
Experimental Investigation of Retention Mechanisms and Performance of Commercial and Purified Phosphonate Scale Inhibitors

Authors: Mozhdeh Igder, Ken Sorbie, Gregor Sneddon, Laurraine Boak, Mike Singleton, Eric McKay,Heriot-Watt University

Mozhdeh Igder , Heriot-Watt University
kl. 18:14–18:17
Microscale Evaluation of Asphaltene Deposition to Comprehend its Instability Mechanism

Authors: Abhishek Punase, Kevin Mutch, Clariant

Terje Høstmark Bratseth , Clariant Oil Services Scandinavia AS
kl. 18:17–18:20
Development and Application of a New Phosphate Ester with Improved Environmental Rating for Sulphate Scale Control in the North Sea

Authors: Ike Mokogwu, Myles Jordan, Clare Johnston, Kim Vikshaland, ChampionX

Ike Mokogwu , ChampionX
kl. 18:20–18:23
A Combo Solution of Corrosion and Scale inhibitors: Results of Lab Study and Field Application

Authors: Per-Erik Hellberg, Nouryon, Ivana Komparić, Hrvoje Jenei, Solenis, Rasoul Nazari Moghaddam, Zahra Taleat and Hans Oskarsson, Nouyron

Rasoul Nazar Moghaddam , Nouryon
kl. 18:23–18:26
The Inhibition Performance and Mechanism of an Effective Sulphonated Polymer-based Scale Inhibitor/Dispersant for Silicate Scale Prevention in Low Temperature Geothermal Brine Systems

Authors: :Shabnam Mohammadi, Ken Sorbie, Lorraine Scott Boak, Khosro Jarrahian, Erik Mackay, Heriot-Watt Univerity

Shabnam Mohammadi , Heriot-Watt University
kl. 18:26–18:29
Effect of PAM-AMPS on the efficiency of different classes of demulsifier in breaking heavy oil emulsions

Authors: Camila Novo da Rocha Amaral, Angela Camila Pinto Duncke, Mônica Netto. Gabriel Gonçalves, Aurora Pérez-Gramatges, PUC-Rio, Brazil

Camila da Novo da Rocha Amaral , Pontifical Catholic University of Rio de Janeiro
kl. 18:32–19:00
The posters are up for discussion in the Poster / Exhibitor area

Servings: Beverages and Snacks

kl. 19:00
End of poster session
kl. 20:00–22:45
Aperitif followed by Symposium Dinner
kl. 22:45–23:59
Disco Fever
Friday 28 March
Session: Scale
Chair: Kristian Sandengen, Equinor
kl. 09:00–09:30
Norne FPSO FeS challenges

Authors: Max Grønnestad, Baker Hughes, Maria Lioliou, Equinor, Norway

Max Alexander Grønnestad , Baker Hughes Norge
kl. 09:30–10:00
Proactive Dosing of Tetrakis Hydroxymethyl Phosphonium Sulphate (THPS) to Prevent Iron Scale Nucleation and Biofilm Buildup in Produced Water Reinjection Systems

Authors: William Keogh, Christine Møinichen, Alexander Nelson, Henrik Bjøro, Øystein Birketveit, SLB, Norway, Silje Røsand. OKEA, Norway

William Keogh , Schlumberger Norge AS
kl. 10:00–10:30
Importance of Scale Monitoring Techniques to Improve Scale Management

Authors:Stephen Heath, Creative Chemical Solutions, Khosro Jarrahian, Eric Mackay, Heriot-Watt University, UK

Stephen Heath , Creative Chemicals Solutions Ltd
kl. 10:30–10:35
Closing remarks
Kristian Sandengen, Equinor and Program Chair 2025
kl. 10:50
Transport from hotel to train station for train bound for Oslo S
kl. 11:00
Coach departure from hotel for Oslo airport Gardermoen ETA 1430
kl. 11:30
Transport from hotel to Geilo station for train bound for Bergen

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