Wednesday, May 25

07:50 - 08:30
08:30 - 09:00
01  Keynote Session 1 Suite 3
Session Chairpersons Myles Martin Jordan - ChampionX
A Keynote presentation is selected by the conference committee as it is one of the highest rated abstracted submitted in the call for papers. In this keynote paper (SPE-209475) observation of magnesium rich calcite deposits occurring within subsurface safety valves (SSSV) and topside process vessels is discussed. The background to its occurrence in the North Sea and Caspian assets, challenges to normal operations and some of the chemical solutions evaluated to control fouling by this “pseudo scale” are presented.


Hugh Bourne

Time Paper # Presentation
0830-0900 209475 Production & Operations Unravelling the Mystery of Inhibitor Resistant Calcite Impacting Onshore and Offshore Operations H. Bourne, A. Abbasov, B. Smith, bp
08:30 - 17:00
10  Knowledge Sharing Posters Room 2B
2-day Session
Session Chairpersons Ping Chen - Halliburton, Haiping Lu - Baker Hughes, Marius Stamnes - Scale Protection, Jone Waage - AkerBP, Ying Xu - ConocoPhillips
Time Paper # Presentation
209503 Production & Operations A Fast and Accurate Method for Scale Inhibitor Effective Concentration Measurement with Low Detection Limit X. Wang, Rice University; Z. Dai, China University of Geosciences; S. Ko, C. Leschied, C. Dai, W. Li, S. Paudyal, X. Yao, Y. Shen, D. Pimentel, A.T. Kan, M.B. Tomson, Rice University
209519 Application of Scalesoftpitzer in Big Data Era: Evaluations of Water Source, Scale, and Corrosion Risk - A Permian Basin Study X. Wang, Rice University; Z. Dai, China University of Geosciences; W. Li, S. Ko, S. Paudyal, X. Yao, C. Leschied, Y. Shen, D. Pimentel, A.T. Kan, M.B. Tomson, Rice University
209481 Production & Operations Isotherm History Matching and Scale Squeeze Treatment Design Optimization in the Gulf of Mexico T. Tambach, Shell Global Solutions International BV; J. Lee, Shell International Exploration & Production Inc.; V. Azari, O. Vazquez, Heriot-Watt University
209480 Production & Operations FeS Scale Control and Prevention in Water Injection Systems H. Lu, J.L. Brooks, S. Margan, Baker Hughes; P. Evens, W. Shi, Chevron
209488 Production & Operations Experimental Study of the Effect of Magnetic Field Associated With Inhibitor in Calcium Carbonate Scale Formation W. Aldeia, G.P. França, M.A. Milliotti, Inst. Pesq. Tecn. Est. S. Paulo S.A. - IPT; A.L. Martins, H.E. Schluter, B.B. Castro, A.Z. Pereira, T.C. Freitas, Petróleo Brasileiro S.A. - PETROBRAS
209504 Production & Operations Non-uniqueness of Adsorption Isotherm History Matching in Squeeze Treatments V. Azari, O. Vazquez, H. Kuncoro, E.J. Mackay, Heriot-Watt University
209505 Produced Water, X-Ray Fluorescence Spectrometry and Machine Learning: How Can They be Connected? I. Atheaux, S.M. Makarychev-Mikhailov, D. Campos Faria, J.W. Farrell, B.A. MacKay, Schlumberger
209508 Production & Operations Harness the Power of Hardware Technologies for Scale Control and Management in Subsea Fields H. Guan, P.A. Rice, M. Avery, OneSubsea LLC, a Schlumberger Company
09:00 - 10:30
02  Scale Control Lessons Learned and Case Studies Part I Suite 3
Session Chairpersons Alex Thornton - Clariant, Helen Williams - ChampionX
A fascinating and diverse range of real oilfield scale control and management topics covering the thorny issues of chemical scale mitigation options for ESPs, to the very latest operator perspective on the 'when/when not to' implement continuous scale inhibitor application downhole in producer wells. Complementing the Session 1 keynote theme, we also present a thoroughly interesting and detailed carbonate scale control and mitigation case study across the life of the Brage oilfield located offshore west Norway.
Time Paper # Presentation
0900-0930 209487 Production & Operations Prevention of Inorganic Scale In ESPs - A Holistic Review of Scale Inhibitor Deployment Options C.J. Johnston, M.M. Jordan, ChampionX
0930-1000 209491 Projects, Facilities & Construction Should a New Well Be Equipped with Downhole Chemical Injection Lines? K. Sandengen, K. Ramstad, S. Høiland, K.I. Henanger, Equinor ASA
1000-1030 209501 Production & Operations Calcium Carbonate Scale Management Over Life of Field - A Case Study S.T. Hatscher, R. Tunli Kvinge, A. Thurmaier, Wintershall Dea Norge AS
Alternate 209510 Production & Operations Heat Exchanger Fouling Incident Following A Scale-inhibitor Squeeze - A Chemical Incompatibility Whodunnit N. Goodwin, D.M. Frigo, Scaled Solutions Limited
10:30 - 11:00
11:00 - 12:30
03  New Chemistries For Inhibition and Evaluation Methods Suite 3
Session Chairpersons Salima Baraka-Lokmane - TotalEnergies, Eric James Mackay - Heriot-Watt University
Challenges in the industry constantly evolve driving the development of new technologies and evaluation methods. Operating conditions are becoming more challenging, e.g. HPHT deep sea, hard to inhibit sulphide scales, high shear systems that exacerbate scale formation. In this session there will be discussions that each field presents unique conditions creating a distinctive set of scaling challenges, the need to understand the scaling risks, develop robust control strategies to ensure the efficiency of any treatments is maximised. Consideration will be given to how advancements are essential to ensure that new chemicals perform effectively, are fit-for-purpose, can successfully be deployed and minimise their environmental impact.
Time Paper # Presentation
1100-1130 209516 Production & Operations The Role of Mutual Solvents in Scale Inhibitor Squeeze Treatments H.A. Sanchez, E.J. Mackay, M. Singleton, Heriot-Watt University
1130-1200 209486 Production & Operations Multifunctional Biosurfactants with Unusual pH Sensitive Interfacial Behavior for Remediation of Iron and Zinc Sulfide Formation Damage H. Au Yong, K. Tooker, K. Van Pham, R. Arriaga, A. Mahmoudkhani, Locus Bio-Energy Solutions
1200-1230 209490 Production & Operations Subsurface Scale Diagnosis and Remediation to Uplift Oil Production W. Wang, W. Wei, D.C. Nash, S.C. Kidd, C.C. Terry, N.G. Popp, R. Sablok, R. Dixit, Chevron Corporation
Alternate 209499 Completions Hydrodynamic Simulation Supports Scale Formation Requirements n Technical Specs for Downhole Equipment V.G. Poletto, M.E. Mazuroski, Federal University of Technology – Parana (UTFPR); F.R. Pereira, Federal University of Espirito Santo - UFES; M. Palharini Schwalbert, M.V. Ferreira, T.T. Eduardo, Petrobras; F.C. De Lai, S.L. Junqueira, Federal University of Technology – Parana (UTFPR); A.L. Martins, Petrobras
Alternate 209477 Reservoir Description & Dynamics Introduction of a New BCC Continuous Stirred Tank Reactor Inhibitor (BCIn) Screening Method for Chemicals in Controlling Inorganic Scales in Oil/gas Production S. Paudyal, Z. Dai, C. Dai, S. Ko, X. Wang, W. Li, C. Leschied, Rice University
12:30 - 13:30
13:30 - 15:00
04  Inorganic Scale Control during CCUS and in Geothermal Systems Suite 3
Session Chairpersons Eric James Mackay - Heriot-Watt University, Wei Wei - Chevron
Carbon Capture, Utilization, and Storage (CCUS) is currently a global strategy deemed as critical to limiting global warming to less than 1.5 degrees Celsius, where CO2 captured from heavy industry is transported and injected into suitable geological reservoirs for storage, and/or can be used for enhanced oil recovery. The drive towards net zero in carbon emission has also instigated the development of alternative energy sources to fossil fuels such as geothermal energy. As scale is related to CO2-Water-Rock interactions, it is important to both geothermal and CCUS. This session will include (1) An excellent overview paper highlighting some examples on scale control in geothermal wells with options for treatment and desirable chemical properties and carbonate scale control in CO2 Water Alternating Gas (WAG) injection whilst also demonstrating CO2 storage and enhanced oil recovery (CCUS), as well as the potential for halite deposition and carbonate mineral dissolution and its impact on rock mechanical integrity during CO2 injection into hyper saline aquifers and depleted oil and gas reservoirs will be discussed. (2) A study utilizes two distinctly different techniques to understand the extent to which the presence of a stainless-steel surface impacts the kinetics of scale formation in comparison to only bulk precipitation in low (below 10) SR solutions; and (3) A new method for surface characterization of tubing and pipeline for scale and corrosion and scale characterization.
Time Paper # Presentation
1330-1400 209512 A New View on Scale I. Løge Appelquist, R. Neerup, P. Loldrup Fosbøl, Technical University of Denmark
1400-1430 209489 Production & Operations Enhancing Capability to Reduce Scale Management Cost in Hydrocarbon Production and CCUS Projects Through Developing an Understanding of Bulk and Surface Scaling Kinetics at Low Saturation Ratios A.E. Fujah-Sanni, O. Sanni, University of Leeds; N. Diamantonis, H. Bourne, BP; N. Kapur, R. Barker, A. Neville, University of Leeds
1430-1500 209492 Production & Operations The Future of Scale Control - The Impact of Net Zero S.M. Heath, Creative Chemical Solutions Ltd; E.J. Mackay, Heriot Watt University; S. Bagala, BatiGea Ltd
15:00 - 15:30
15:30 - 16:30
Panel discussion: Future Technical Challenges in Oilfield Scale Management
Speaker(s) Kari Ramstad, Equinor; Hugh Bourne , BP; Eric Mackay, Heriot Watt University; Caroline Simpson, Scaled Solutions

Each presenter will talk about the challenges and opportunities they see from their field of operations (operating company, service lab, academia) and then there will be an open question/answer session to discuss.

Thursday, May 26

08:30 - 09:00
05  Keynote Session 2 Suite 3
Session Chairpersons Myles Martin Jordan - ChampionX
A Keynote presentation is selected by the conference committee as it is one of the highest rated abstracted submitted in the call for papers. In this keynote paper (SPE-209496) the challenge of zinc sulphide scale control via squeeze treatment at high temperature is evaluated. A thermally stable polyaniline-co-polymer based scale inhibitor (PANI-Co-Polymer SI) has been developed which shows a low minimum inhibitor concentration (<5mg/l) to prevent zinc sulphide scale formation via nucleation inhibition/growth modification and has the potential properties to adsorb/desorb effectively onto a sandstone substrate.


Yasmin Hayatgheib
University of Leeds

Time Paper # Presentation
0830-0900 209496 A Polyaniline-based Scale Inhibitor With Enhanced Retention and Exceptional Thermal Properties for Squeeze Treatment at HT HP Conditions Y. Hayatgheib, University of Leeds; S. Baraka-Lokmane, TotalEnergies; W. Taleb, University of Leeds; J. Ordonez-Varela, TotalEnergies; R. Barker, A. Neville, University of Leeds
09:00 - 10:30
06  Carbonate Scale Formation and Control Suite 3
Session Chairpersons Chunfang Fan - Schlumberger, Myles Martin Jordan - ChampionX
Carbonate scales, especially calcium carbonate, have always been the most common scaling challenge of oil and gas productions. This session explores recent advancements made in understanding the mechanism and kinetic behavior of the formation of calcium carbonate in various field conditions, such as in the presence of a mixture of different fractions of oil in water emulsion, under centrifugal effect, and in the presence of H2S scavengers. This session also addresses findings from lab testing of non-chemical solutions for calcium carbonate scaling inhibition and control.
Time Paper # Presentation
0900-0930 209515 Production & Operations Kinetics of Transformation and Inhibition of Calcium Carbonate Scale Formation in Mixed Oil Fractions O.S. Sanni, T. Charpentier, D. Harbottle, R. Barker, F. Pessu, A. Neville, University of Leeds
0930-1000 209476 Production & Operations Large Scale Pipe Flow Experiments for the Evaluation of Non-chemical Solutions for Calcium Carbonate Scaling Inhibition and Control J.B. Loureiro, A. Gonçalves, B.G. Souza, Interdisciplinary Center for Fluid Dynamics (NIDF/UFRJ); I.M. Pepe, G.G. Demetino, L.C. Soares Junior, C.E. Silva, L.L. Santos, Lab. de Prop. Óticas (UFBA); H. Santos, B.B. Castro, H.E. Schluter, M.V. Ferreira, A.L. Martins, Petrobras
1000-1030 209513 Production & Operations Alternative Scavenger Chemistries: Impact of Scavengers on Carbonate Scaling A. Rafferty, C. Stewart-Liddon, G.M. Graham, Scaled Solutions; S. Baraka-Lokmane, C. Nwankwo, J. Hitta, TotalEnergies
Alternate 209500 Investigation of the Centrifugal Effect in Calcite Scale Deposition J.F. Gonçalves, A.A. Daás, A.H. Dullius, N.A. Pícoli, H.L. Lima, Interdisciplinary Center for Fluid Dynamics (NIDF/UFRJ); F.S. da Silva, PETROBRAS – CENPES/ PDIDP/ESUP/TPMF; J.B. Loureiro, Interdisciplinary Center for Fluid Dynamics (NIDF/UFRJ)
10:30 - 11:00
11:00 - 12:30
07  Scale Control Lessons Learned and Case Studies Part 2 Suite 3
Session Chairpersons Stephan Tobias Hatscher - Wintershall DEA, Ross Andrew McCartney - Oilfield Water Services
Field case studies are an excellent source of information on real-life scale issues. In this session, an example from the Oda Field will show how a predicted scale risk (calcium sulphate) did not materialise under production conditions. A case study from the North Sea will show how a non-THPS cleaning chemical package was developed and deployed to mitigate iron sulphide, barium sulphate and biomass deposition during produced water injection. Finally, a study from the Gulf of Guinea will show that on this field, treatment for calcium carbonate, barium sulphate and calcium sulphate scale had to be adapted for individual wells.
Time Paper # Presentation
1100-1130 209507 Production & Operations The Oda Field: From Scale Prediction to Reality - Why Squeezing Was Not Necessary Despite a High Calcium Sulphate Risk B. Kaasa, Scale Consult; B. Sømme, R. MacDonald, K. Kjørsvik, A.S. Saunes, Spirit Energy; S.M. Heath, Creative Chemical Solutions Ltd; M. Stamnes, Scale Protection
1130-1200 209478 Production & Operations Removal of Iron Sulphide/biomass Via Continual Injection Dissolver/dispersant Chemistry, A North Sea Case Study M.M. Jordan, C.J. Johnston, B. Bennett, G. Cole, ChampionX
1200-1230 209483 Production & Operations Evolution of Mineral Scale Deposition as a Function of Production Lifetime in Gulf of Guinea Wells S. Baraka-Lokmane, M. Deleersnyder, TotalEnergies
Alternate 209495 Production & Operations Development of a Green, F22 Compatible Scale Inhibitor for Application in West Africa H. Williams, B. Adamson, S. De, M. Bhandari, C.J. Johnston, ChampionX
12:30 - 13:30
13:30 - 15:00
08  Sulphide and Halite Scale Inhibition Suite 3
Session Chairpersons Hua Guan - OneSubsea, Stephen Mark Heath - Creative Chemical Solutions
Halite and sulphide are less common than carbonate and sulphate scales and are very challenging to treat with high costs for remedial action. In particular, for halite scale where a high frequency of treatment (e.g. daily to weekly) with freshwater interventions is required to remove the scale. This session is designed to capture the most recent developments in laboratory and field technologies and will focus on prediction, new chemistry for dispersion and scale squeeze applications and laboratory testing methods that can replicate the field conditions for halite scales e.g. high temperature and high turbulence.
Time Paper # Presentation
1330-1400 209511 Production & Operations Sulfide Scale Controls and Predictions Using Water-soluble Polymer S. Ko, X. Wang, W. Li, Z. Dai, S. Paudyal, X. Yao, C. Leschied, Y. Shen, D. Pimentel, A.T. Kan, M.B. Tomson, Rice University
1430-1500 209482 Production & Operations Insights into Permeability Variance in Tight Outcrop Dolomite Core Observed During High Temperature Formation Damage Coreflood Testing of a Next Generation Squeezable Sulfide Scale Inhibitor C. Okocha, A. Thornton, Clariant Corporation; T. Chen, Q. Wang, Saudi Aramco
1400-1430 209509 Production & Operations New Halite Testing Methods for High Temperature and From Low to Very High Calcium Content Brine S. Paudyal, X. Wang, S. Ko, W. Li, T. Yao, C. Leschied, R. Shen, D. Pimentel, A.T. Kan, M.B. Tomson, Rice University
Alternate 209497 Production & Operations Scaling Up: Evaluation of Scale Deposition and Inhibition Under Turbulent Flow Conditions Using a Large Pilot-Scale Test System A. Fyfe, D. Nichols, M. May, N. Goodwin, C. Simpson, G. Graham, Scaled Solutions
15:00 - 15:30
15:30 - 17:00
09  Scale Treatment Design Optimisation Suite 3
Session Chairpersons Gill Ross - Harbour Energy, Kristian Sandengen - Equinor
This session highlights the importance of improving scale treatments, by utilising existing techniques and technologies in an optimal manner to get the best outcome. The session covers both lab and simulation studies. A varied range of techniques are covered including the use of magnets for prevention of scale and the advantages of exploiting synergistic effects from inhibitor blends. A case study is also presented looking at the requirement for an alternative approach for field redevelopment.
Time Paper # Presentation
1530-1600 209502 Reservoir Description & Dynamics How Squeeze Management Differs During Field Redevelopment X. Wang, Parex Solutions; E.J. Mackay, Heriot-Watt University; M.M. Jordan, ChampionX
1600-1630 209494 Production & Operations Enhanced Carbonate Scale Inhibition in a Challenging Environment via Synergistic Inhibitor Molecule Blends M.M. Jordan, M. Johnston, ChampionX
1630-1700 209484 Production & Operations Further Investigation of Scale Control Using Electromagnetic Devices (Visualisation Experiments) M.A. Singleton, A.J. Graham, Heriot-Watt University; O. Sanni, O. Bukuaghangin, University of Leeds
Alternate 209517 Production & Operations Microfluidic Method to Investigate the Precipitation of Calcium/magnesium Phosphonate Scale-inhibitor Complexes O. Vazquez, Heriot Watt University; M. Dudek, Norwegian University of Science and Technology; A. Beteta, Heriot Watt University; G. Øye, Norwegian University of Science and Technology