The Choice of Seal Materials for Oil and Gas Industry

Kauchuk i Rezina Pub Date : 2021-01-01 DOI:10.47664/0022-9466-2021-80-3-146-148

A. Stein, Agc Chemicals Europe

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Abstract

A comparison of the properties of rubbers, that are mainly used as materials for the manufacture of seals used in the oil and gas industry, is presented. These are technical vulcanized rubbers based on the following rubbers: ethylene-propylene diene, butadiene-acrylonitrile, hydrogenated butadiene-acrylonitrile, fluoroelastomer, tetrafluoroethylene propylene, perfluoroelastomers. Their resistance to the action of physical and chemical factors that determine the properties of working environments is assessed: the temperature range of working capacity, resistance to ozone and aging under the influence of atmospheric factors, chemical resistance to the action of materials of working environments. The list of environments to which the considered rubbers are resistant and not resistant is given. Resistance to high-speed gas decompression has been noted. For rubbers based on tetrafluoroethylene propylene and perfluoroelastomers, the possibility of using them for work in vacuum is indicated. It is concluded that, despite the high cost, rubbers based on tetrafluoroethylenepropylene and perfluoroelastomers have the best set of properties for operation in the oil industry.

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油气工业密封材料的选择

橡胶主要用作石油和天然气工业中密封件的制造材料，本文对橡胶的性能进行了比较。这些是基于以下橡胶的技术硫化橡胶:乙烯-丙二烯、丁二烯-丙烯腈、氢化丁二烯-丙烯腈、氟弹性体、四氟乙烯丙烯、全氟弹性体。评估其对决定工作环境性能的物理和化学因素作用的耐受性:工作能力的温度范围，大气因素影响下对臭氧和老化的耐受性，工作环境中材料作用的耐化学性。给出了所考虑的橡胶耐和不耐环境的列表。已注意到对高速气体减压的阻力。对于以四氟乙烯丙烯和全氟弹性体为基础的橡胶，指出了将其用于真空工作的可能性。结论是，尽管成本高，但基于四氟乙烯和全氟弹性体的橡胶在石油工业中具有最佳的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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