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10281 Elastomer Testing in Sour Environments

Picture for 10281 Elastomer Testing in Sour Environments
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Product Number: 51300-10281-SG
ISBN: 10281 2010 CP
Author: J. Tuggle, W. Kovacs III, S. Waters, P. Youll, H. Tsaprailis & L. F. Garfias-Mesias
Publication Date: 2010
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$20.00
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Due to the increase in need for combustibles, in particular oil, sweet hydrocarbon reservoirs are fast becoming depleted. This has led to the need to tap into sour reservoirs. The presence of hydrogen sulfide (H2S) in the reservoirs has presented new challenges to oil production companies. Among these challenges is determining the effect of H2S on elastomeric seals used in oil production systems.

This paper examines the effect of H2S on both the mechanical and chemical properties of elastomers commonly used in the petrochemical industry. Exposures to an extreme aggressive environment containing H2S at high temperature and pressure, inside an autoclave have been used to test the elastomers in both artificial seawater and mixtures of hydrocarbons. The elastomers were subjected to preconditioning in similar environments at high temperature without the pressure. Mechanical properties (tensile strength, modulus, hardness) have been measured and compared to the mechanical properties of un-exposed samples. Samples exposed for a relatively short time under the severe conditions tend to absorb H2S and increase in volume. The results are shown in this manuscript.

Due to the increase in need for combustibles, in particular oil, sweet hydrocarbon reservoirs are fast becoming depleted. This has led to the need to tap into sour reservoirs. The presence of hydrogen sulfide (H2S) in the reservoirs has presented new challenges to oil production companies. Among these challenges is determining the effect of H2S on elastomeric seals used in oil production systems.

This paper examines the effect of H2S on both the mechanical and chemical properties of elastomers commonly used in the petrochemical industry. Exposures to an extreme aggressive environment containing H2S at high temperature and pressure, inside an autoclave have been used to test the elastomers in both artificial seawater and mixtures of hydrocarbons. The elastomers were subjected to preconditioning in similar environments at high temperature without the pressure. Mechanical properties (tensile strength, modulus, hardness) have been measured and compared to the mechanical properties of un-exposed samples. Samples exposed for a relatively short time under the severe conditions tend to absorb H2S and increase in volume. The results are shown in this manuscript.

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