新型清除剂技术在油田采出气中有效去除H2S的应用

S. Ramachandran, S. Lehrer, Soma Chakraborty, Jagrut Jani
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引用次数: 2

摘要

硫化氢(H2S)清除剂通过减少对气体脱硫设备的需求、监测H2S的人力成本、不规范生产造成的罚款和H2S释放造成的责任,降低了使用H2S的井的总运营成本。常用的H2S清除剂如三嗪和乙二醛在不同的应用中有局限性。过量使用时,三嗪会形成难以清除的固体沉积物。原油中三嗪的存在会导致胺盐酸盐的形成,在炼油厂操作中引起腐蚀。乙二醛类H2S清除剂是酸性的,会导致腐蚀,特别是在含有油和水的停滞管道中。本文提供了非胺和中性ph的新型H2S清除剂的实验室和现场结果。研究的应用是间歇式塔应用和在线注射。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Novel Scavenger Technology for Effective Removal of H2S from Produced Gas in Oilfield Applications
Hydrogen sulfide (H2S) scavengers are used to reduce the total well operation cost of working with H2S by reducing the need for gas sweeting equipment, manpower costs for H2S monitoring, fines due to out of specification production and liability due to H2S release. Commonly used H2S scavengers such as triazine and glyoxal have limitations in different applications. When overspent, triazines can form difficult to remove solid deposits. The prescence of triazines in crude oil can lead to the formation of amine hydrochloride salts that cause corrosion in refinery operations. Glyoxal based H2S scavengers are acidic and can cause corrosion especially in stagnant pipelines containing oil and water. In this paper laboratory and field results are provided on new H2S scavengers that are both non-amine and neutral pH. The applications that are examined are batch tower applications and inline injection.
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