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Products tagged with 'corrosion inhibitor'

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Picture for Corrosion Risk Assessment Of Aging Plant In The Down Stream Petroleum Sector
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Corrosion Risk Assessment Of Aging Plant In The Down Stream Petroleum Sector

Product Number: 51322-17858-SG
Author: Muazu Mohammed
Publication Date: 2022
$20.00

This paper shares experiences and challenges of corrosion risk assessment in the down-stream petroleum industries and simplify ways of managing corrosion through effective corrosion assessment regime.
Picture for Cyclic Polarization and Electrochemical Impedance Techniques to Rapidly Screen and Assess Pitting Tendencies of Corrosion Inhibitor Actives in Carbon Steel
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Cyclic Polarization and Electrochemical Impedance Techniques to Rapidly Screen and Assess Pitting Tendencies of Corrosion Inhibitor Actives in Carbon Steel

Product Number: 51323-19389-SG
Author: Yolanda De-Abreu, Ana Ferrer, Geeta Rana, Sherman Kung
Publication Date: 2023
$20.00

Corrosion inhibitors (CI) are typically evaluated using either short-term electrochemical methods or long-term weight loss methods in laboratory set up. Although electrochemical methods provide fast and real-time corrosion information, corrosion subject matter experts, in general, rely on long term weight loss methods to determine localized corrosion information. These long-term methods include exposure of the metal coupon in a corrosive media under specific field conditions/parameters such as temperature, pressure, wall shear stress, corrosive gas species and test length in the presence of corrosion inhibitor active(s).
Picture for Development of A Combined Corrosion and Scale Inhibitor for Subsea Multiphase Oil Field in Brazil
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Development of A Combined Corrosion and Scale Inhibitor for Subsea Multiphase Oil Field in Brazil

Product Number: 51323-18810-SG
Author: Larry Chen, Nihal Obeyesekere, Aline Kina, Lisa Greaney
Publication Date: 2023
$20.00

This production asset located in the deep-water offshore Brazil, producing heavy oil in the range of 16 to 24 oAPI. Mudline caisson separators with electrical submersible pumps (ESPs) are used to process fluids from multiple wells and boost them to the receiving floating production, storage, and offloading (FPSO) vessel(1). There are significant flow-assurance and corrosion challenges in operating the asset. One of the challenges is the production fields have limited subsea umbilical, necessitate the use of
multifunctional products to maintain the field’s integrity and mitigate any flow assurance and scale issues.
Picture for Development of a Versatile Continuous Application Based Corrosion Inhibitor to Mitigate Top-of-the-Line Corrosion under Both Sweet and Sour Operating Conditions
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Development of a Versatile Continuous Application Based Corrosion Inhibitor to Mitigate Top-of-the-Line Corrosion under Both Sweet and Sour Operating Conditions

Product Number: MECC23-19972-SG
Author: Jeremy Moloney
Publication Date: 2023
$20.00

Top-of-the-line corrosion (TLC) of carbon steel (CS) pipelines can be encountered during the transportation of wet gas under stratified flow conditions where temperature differences between the internal and external environments results in condensation of saturated vapors and water-wetted surface on the upper portion of the inside pipeline surface causing corrosion issues.1 Initially at least, the condensed water phase can be particularly corrosive with a low pH caused by dissolved acid gases (such as carbon dioxide and hydrogen sulfide) as well as organic acids in an unbuffered thin water film. Like bottom-of-the-line corrosion, TLC can be dominated by either carbon dioxide or hydrogen sulfide corrosion mechanisms.
Picture for Development Of An Efficient MIC Mitigation And Control Strategy In Pipelline Pigging Operations
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Development Of An Efficient MIC Mitigation And Control Strategy In Pipelline Pigging Operations

Product Number: 51322-17632-SG
Author: David Armstrong, Hejian Sun, Yuxiu Liu, Patrick Powell
Publication Date: 2022
$20.00

An operating company was concerned that its biocide and corrosion mitigation strategy was not sufficient to control corrosion in their pigging operations across the Gulf Coast of Texas. They provided water samples from several pigging access points that were heavily contaminated with SRBs, APBs, black deposits and oil. H2S was present in most of the samples suggesting a heavy presence of SRBs. They suspected that the black deposits were most likely FeS caused by the presence of microorganisms interacting with their pipelines. Indeed, culture vial tests (sometimes referred to as “bug bottles”) proved that the samples were heavily contaminated with microorganisms.
Picture for Development of Corrosion Inhibitor for High Temperature Sweet Gas Wells
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Development of Corrosion Inhibitor for High Temperature Sweet Gas Wells

Product Number: 51324-20757-SG
Author: Ime Bassey Obot; Tao Chen; Ahmad A. Sorour; Qiwei Wang
Publication Date: 2024
$40.00
The corrosion of carbon steel downhole completion tubing at high temperature is one of the serious corrosion issues facing the oil and gas industry. Few corrosion inhibitor chemistries can protect downhole production tubing against corrosion, especially at high-temperature and high-pressure (HTHP) in high total dissolved solids (TDS) brine. The objective of this study was to develop a HTHP corrosion inhibitor abbreviated (NAM 9) for the protection of carbon steel at a temperature of up to 120 oC for possible application in sweet gas wells. The new corrosion inhibitor formulation (NAM 9) was evaluated using the linear polarization resistance (LPR) technique, batch corrosion testing (drop and drip) and autoclave corrosion test. The LPR result shows that 10 ppm of NAM 9 drastically reduces the corrosion rate of C1018 steel from 214.4 mpy (5.44 mm/y) to 3.28 mpy (0.08 mm/y) giving an inhibition efficiency of 98.47 % at 70 oC. The corrosion rate of the blank using autoclave corrosion testing at 120 oC was 250.6 mpy (6.36 mm/y) and 30.3 mpy (0.77 mm/y) in the presence of 500 ppm of NAM 9, respectively. The results indicate that NAM 9 is a promising high-temperature corrosion inhibitor for downhole production tubing used in gas wells.
Picture for Development Of Multilayer Coating Systems For Self-Healing Protection And Corrosion Mitigation In The Atmospheric Zone Of Offshore Wind Turbines.
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Development Of Multilayer Coating Systems For Self-Healing Protection And Corrosion Mitigation In The Atmospheric Zone Of Offshore Wind Turbines.

Product Number: 51322-17691-SG
Author: Adamantini Loukodimou, Dimitrios Statharas, David Weston, Shiladitya Paul
Publication Date: 2022
$20.00

Offshore metallic structures have an average life-time of 20-25 years. They consist of four different zones, the buried, the submerged, the tidal/splash and the atmospheric one. According to NACE 2013 the global corrosion cost is estimated to be US$2.5 trillion, consisting a major economic problem. Hence, protection from corrosion is essential. Each zone is protected either with cathodic methods, or with a combination of cathodic methods and coatings. More specifically, the protection of the atmospheric zone, which is the aim of this research, due to the lack of continuous electrolyte (seawater) does not allow the application of cathodic protection.
Picture for Dual Functional Corrosion Inhibitor Design And Testing For Top-Of-Line And Bottom Of Line Corrosion
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Dual Functional Corrosion Inhibitor Design And Testing For Top-Of-Line And Bottom Of Line Corrosion

Product Number: 51322-17787-SG
Author: Larry Chen, Nihal Obeyesekere, Jonathan Wylde, Michael Sim
Publication Date: 2022
$20.00

TOL corrosion is reported to occur in large diameter wet gas pipeline in stratified flow conditions
due to low fluid velocities1. With increasing distance from the inlet, the wet gas pipeline becomes
cooler as it loses heat to the environment. Such cooling causes water, hydrocarbon, and other
high vapor pressure species to condense on the pipe wall. The upper part of the pipe will
constantly be supplied with freshly condensed water while the less corrosive water saturated
with corrosion products will be drained along the pipe wall to the bottom of the line.
Picture for Effect of Additives to Corrosion Inhibitor for Duplex Stainless Steel in Acidizing
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Effect of Additives to Corrosion Inhibitor for Duplex Stainless Steel in Acidizing

Product Number: 51321-16402-SG
Author: Hirotaka Mizukami/Susumu Hirano/Tsuyoshi Ooba/Ayano Yasui/Toshiyuki Sunaba/Mitsuru Uno
Publication Date: 2021
$20.00
Picture for Effect Of Hydrophobic Interaction On Corrosion Inhibitor Efficiency
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Effect Of Hydrophobic Interaction On Corrosion Inhibitor Efficiency

Product Number: 51322-17597-SG
Author: Susumu Hirano, Ayano Yasui, Hirotaka Mizukami, Tatsuya Sei, Toshiyuki Sunaba
Publication Date: 2022
$20.00

Corrosion inhibitors are used to prevent pipeline corrosion in oil and gas industry. The evaluation of corrosion inhibitors is one of the most important tasks for the corrosion engineers. Corrosion of the metal is suppressed by the inhibitor adsorption on the metal surface. Active ingredients of corrosion inhibitors are, in general, surfactants. A surfactant can adsorb on the internal metal surface of piping and makes a hydrophobic film preventing the contact of water with the metal surface.
Picture for Effect of Inhibitor Concentration on the Adsorption and Inhibition Mechanism for Mica and Carbon Steel Studied by In Situ Atomic Force Microscopy
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Effect of Inhibitor Concentration on the Adsorption and Inhibition Mechanism for Mica and Carbon Steel Studied by In Situ Atomic Force Microscopy

Product Number: 51323-19200-SG
Author: H. Wang, B. Brown, S. Nesic, A. Pailleret
Publication Date: 2023
$20.00

In hydrocarbon production systems, mild steel is overwhelmingly used for the construction of pipelines and tanks for the transmission and storage of crude oil, natural gas, and derived petroleum products. Although mild steel has excellent mechanical properties and low cost, it is susceptible to corrosion attack in typical service environments. Inhibition of internal corrosion is essential for assuring asset integrity of oil and gas transportation pipelines.
Picture for Effective Corrosion Inhibitor Formulation for Carbon Steel in Downhole Sweet Gas Wells
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Effective Corrosion Inhibitor Formulation for Carbon Steel in Downhole Sweet Gas Wells

Product Number: 51323-19009-SG
Author: Ime Bassey Obot, Ahmad A. Sorour, Tao Chen, Qiwei Wang
Publication Date: 2023
$20.00

Corrosion of the internal surfaces of pipelines is one of the serious issues facing the oil and gas industry. Produced oil and gas always contain some water mixed with brines and contain varying amounts of carbon dioxide (sweet gas), hydrogen sulfide (sour gas) and organic acids1. All of these can affect the integrity of the low-carbon steel pipes used in the construction of downhole gas wells. CO2 gas, along with the high salt content of production water, causes serious corrosion on the internal walls of corrosion resistance alloys (CRAs) and steel pipelines used in downhole gas wells.
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