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The Development Of Environmentally Acceptable Corrosion Inhibitors For Sour Applications

The Development of Environmentally Acceptable Corrosion Inhibitors for Sour Applications
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The decomposition process of ancient marine species in the seabed for millions of years coupled with the presence of specific geological conditions such as high pressures and temperatures led to the formation of what is known today as fossil fuels. For this reason, they can be found either on the earth's surface where ancient seas were located or beneath the seabed. Considering that the ocean covers three-quarters of the Earth's surface the offshore oil and natural gas exploration entail an enormous economic and strategic benefit.1 

Product Number: 51322-18006-SG
Author: Jody Hoshowski, Alyn Jenkins, Rolando Perez Pineiro
Publication Date: 2022
Industries: Chemical Inhibitors , Corrosion Monitoring and Control , Coatings
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$20.00
$20.00

Production chemical regulations in the North Sea oil and gas sector restrict the use of environmentally harmful substances and require chemical providers to replace such products with environmentally acceptable alternatives. Environmentally acceptable corrosion inhibitors that are used in oil and gas production are non-toxic, biodegradable, and have a low impact on the marine environment. Such inhibitors are designed to protect mild steel from the effects of corrosion in systems containing acid gas, organic acids, and the influence of temperature. In this work, two oilfields in the North Sea required the development of environmentally acceptable corrosion inhibitors, to replace environmentally harmful products. The new products were required to offer similar or improved efficacy to the incumbent inhibitors in a sour environment and to be cost-effective. Laboratory tests were performed to represent field conditions and ranged in temperature, H2S, and CO2 concentration as well as water cut and shear stress. Products were found to be effective to the corrosion rate limit of <4 mpy and with no pitting. 

Production chemical regulations in the North Sea oil and gas sector restrict the use of environmentally harmful substances and require chemical providers to replace such products with environmentally acceptable alternatives. Environmentally acceptable corrosion inhibitors that are used in oil and gas production are non-toxic, biodegradable, and have a low impact on the marine environment. Such inhibitors are designed to protect mild steel from the effects of corrosion in systems containing acid gas, organic acids, and the influence of temperature. In this work, two oilfields in the North Sea required the development of environmentally acceptable corrosion inhibitors, to replace environmentally harmful products. The new products were required to offer similar or improved efficacy to the incumbent inhibitors in a sour environment and to be cost-effective. Laboratory tests were performed to represent field conditions and ranged in temperature, H2S, and CO2 concentration as well as water cut and shear stress. Products were found to be effective to the corrosion rate limit of <4 mpy and with no pitting. 

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Product Number: 51322-17801-SG
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Maintaining the integrity of oilfield equipment is essential to its safe operation and to maximize the efficiency of production. The integrity of oilfield equipment can rely on material selection and control of conditions, however, it is commonly maintained by the applications of chemical corrosion inhibitors (CI). Prior to use, these chemicals must be shown to perform as desired under the field conditions in question. To achieve this, chemicals are often evaluated using robust laboratory-based screening studies to identify potential candidates.
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