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Proceedings Papers

Corrosion Inhibitor Qualification for Umbilical and Subsea Applications

Larry Chen, Thenuka Ariyaratna, Nihal Obeyesekere, Tharindu Jayaneththi
Paper presented at the AMPP Annual Conference + Expo, March 3–7, 2024
Paper Number: AMPP-2024-20724
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View Paper titled, Corrosion Inhibitor Qualification for Umbilical and Subsea Applications
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Proceedings Papers

Transition from Combinatorial Chemistry to Present Day Robotics in Product Development for Oil Field Chemicals

Nihal Obeyesekere, Thusitha Wickramarachchi
Paper presented at the AMPP Middle East Corrosion Conference and Exhibition, November 13–16, 2023
Paper Number: AMPP-MECC-2023-20245
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View Paper titled, Transition from Combinatorial Chemistry to Present Day Robotics in Product Development for Oil Field Chemicals
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Proceedings Papers

Novel Combination Iron Sulfide-Corrosion Inhibitor Development, Testing and Field Assessment for an Integrated Scale Management System

Cyril Okocha, Nihal Obeyesekere
Paper presented at the ADIPEC, October 2–5, 2023
Paper Number: SPE-216830-MS
https://doi.org/10.2118/216830-MS
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View Paper titled, Novel Combination Iron Sulfide-Corrosion Inhibitor Development, Testing and Field Assessment for an Integrated Scale Management System
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Proceedings Papers

Development of a Combined Corrosion and Scale Inhibitor for Subsea Multiphase Oil Field in Brazil

Larry Chen, Nihal Obeyesekere, Aline Kina, Lisa Greaney
Paper presented at the AMPP Annual Conference + Expo, March 19–23, 2023
Paper Number: AMPP-2023-18810
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View Paper titled, Development of a Combined Corrosion and Scale Inhibitor for Subsea Multiphase Oil Field in Brazil
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Proceedings Papers

Dual Functional Corrosion Inhibitor Design and Testing for Top-of-Line and Bottom-of-Line Corrosions

Larry Chen, Jonathan Wylde, Nihal Obeyesekere, Michael Sim
Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-17787
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View Paper titled, Dual Functional Corrosion Inhibitor Design and Testing for Top-of-Line and Bottom-of-Line Corrosions
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Proceedings Papers

Formulation of Corrosion Inhibitors Using Design of Experiment (DOE) Methods and Discovering Highly Performing Inhibitors by High Throughput Experimentation (HTE) Methods Using Critical Micelle Concentration

Nihal Obeyesekere, Jonathan Wylde, Thusitha Wickramarachchi, Lucius Kemp
Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16994
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View Paper titled, Formulation of Corrosion Inhibitors Using Design of Experiment (DOE) Methods and Discovering Highly Performing Inhibitors by High Throughput Experimentation (HTE) Methods Using Critical Micelle Concentration
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Proceedings Papers

High Temperature Stable Corrosion Inhibitor Development for Deepwater Applications

Larry Chen, Nihal Obeyesekere, Thusitha Wickramarachchi, Jonathan Wylde
Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16470
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View Paper titled, High Temperature Stable Corrosion Inhibitor Development for Deepwater Applications
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Proceedings Papers

On the Anodic Reaction of the CO 2 Corrosion Process

Omar Yepez, Nihal Obeyesekere, Jonathan Wylde
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12923
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View Paper titled, On the Anodic Reaction of the CO 2 Corrosion Process
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Proceedings Papers

Effectiveness Testing on Vapor Phase Corrosion Inhibitors Using Rotating Cage Autoclave and Electrochemical Impedance Spectroscopy Methods

Larry Chen, Nihal Obeyesekere, Jonathan Wylde
Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11262
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View Paper titled, Effectiveness Testing on Vapor Phase Corrosion Inhibitors Using Rotating Cage Autoclave and Electrochemical Impedance Spectroscopy Methods
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Proceedings Papers

Can Critical Pitting Temperature be Used on Carbon Steel? and Finding the Localized Corrosion Behavior in the Impedance Spectra of the CO 2 Corrosion Process

Omar Yepez, Nihal Obeyesekere, Jonathan Wylde
Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11389
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View Paper titled, Can Critical Pitting Temperature be Used on Carbon Steel? and Finding the Localized Corrosion Behavior in the Impedance Spectra of the CO 2 Corrosion Process
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Proceedings Papers

Development, Testing and Field Application of a Novel Combination Foamer-Iron Sulfide Scale Inhibitor-Corrosion Inhibitor in East Texas

Jonathan J. Wylde, Nick Turner, Mark Austill, Cyril Okocha, Nihal Obeyesekere
Paper presented at the SPE International Conference on Oilfield Chemistry, April 3–5, 2017
Paper Number: SPE-184584-MS
https://doi.org/10.2118/184584-MS
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View Paper titled, Development, Testing and Field Application of a Novel Combination Foamer-Iron Sulfide Scale Inhibitor-Corrosion Inhibitor in East Texas
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Proceedings Papers

Surface Chemistry of Iron Sulfide Scale and its Influence on Corrosion Occurring Underneath

Omar Yépez, Nihal Obeyesekere, Jonathan Wylde
Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-9363
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View Paper titled, Surface Chemistry of Iron Sulfide Scale and its Influence on Corrosion Occurring Underneath
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Proceedings Papers

Lab Performance Testing on Corrosion Inhibitors under Supercritical Carbon Dioxide Conditions

Larry Chen, Nihal Obeyesekere, Jonathan Wylde
Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-9474
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View Paper titled, Lab Performance Testing on Corrosion Inhibitors under Supercritical Carbon Dioxide Conditions
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Proceedings Papers

Study of Sour Corrosion Mechanism under Controlled pH

Omar Yépez, Nihal Obeyesekere, Jonathan Wylde
Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7795
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View Paper titled, Study of Sour Corrosion Mechanism under Controlled pH
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Proceedings Papers

Development of Phosphate Based Inhibitors Effective for Oxygen Corrosion: A Study of Localized Corrosion Inhibition Mechanism

Omar Yepez, Nihal Obeyesekere, Jonathan Wylde
Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7806
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View Paper titled, Development of Phosphate Based Inhibitors Effective for Oxygen Corrosion: A Study of Localized Corrosion Inhibition Mechanism
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Proceedings Papers

Development of Novel Inhibitor Chemistries to Protect Metal Surfaces from Saturated Completion Fluid

Thenuka Ariyaratna, Nihal Obeyesekere, Jonathan Wylde
Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7802
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View Paper titled, Development of Novel Inhibitor Chemistries to Protect Metal Surfaces from Saturated Completion Fluid
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Proceedings Papers

Development of Novel Phosphate Based Inhibitors Effective For Oxygen Corrosion

Omar Yepez, Nihal Obeyesekere, Jonathan Wylde
Paper presented at the SPE International Symposium on Oilfield Chemistry, April 13–15, 2015
Paper Number: SPE-173723-MS
https://doi.org/10.2118/173723-MS
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View Paper titled, Development of Novel Phosphate Based Inhibitors Effective For Oxygen Corrosion
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Proceedings Papers

Development of Novel Phosphate Based Inhibitors Effective for Oxygen Corrosion. Part II: Electrochemical Characterization

Omar Yepez, Nihal Obeyesekere, Jonathan Wylde
Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-6162
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View Paper titled, Development of Novel Phosphate Based Inhibitors Effective for Oxygen Corrosion. Part II: Electrochemical Characterization
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Proceedings Papers

Development of Novel Phosphate Based Inhibitors Effective for Oxygen Corrosion. Part I: Rotating Cage Autoclave Study

Omar Yépez, Nihal Obeyesekere, Jonathan Wylde
Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-6163
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View Paper titled, Development of Novel Phosphate Based Inhibitors Effective for Oxygen Corrosion. Part I: Rotating Cage Autoclave Study
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Proceedings Papers

The Effect of Surfactant Additions on the Mechanism of Sulfur Corrosion Inhibition in Sour Systems

Larry Chen, Nihal Obeyesekere, Jonathan Wylde
Paper presented at the CORROSION 2014, March 9–13, 2014
Paper Number: NACE-2014-3828
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View Paper titled, The Effect of Surfactant Additions on the Mechanism of Sulfur Corrosion Inhibition in Sour Systems
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