Abstract: The procedure of bowtie analysis utilization is not clear and unified, so one of the focus is on demonstrate a clear procedure of bowtie analysis and clarify each step's content. Pig receiver system is widely used in oil, gas and process industry. And high pressure material or waste contained in pig receiver potentially threaten related personnel and equipment. To better conduct risk management for pig receiver system, a bowtie analysis is needed. Pig receiver system has three potential hazards:"high pressure gas", "flammable gas and liquid" and "pyrophoric material". Analyzing these three hazards, potential causes, consequences and barriers to formulate the bowtie diagram. By utilizing bowtie analysis, cause, consequences and barriers can be effectively analyzed and classified. The bowtie diagram could supplement other risk assessments tools' gap and provide a straightforward input for risk management.

Key words: safety, petroleum, explosion, corrosion, bowtie analysis, barrier, risk assessment, pig receiver

摘要： 目前国内领结分析流程并不统一，因此本文对于领结分析的流程进行了梳理，明确了领结分析所需的步骤以及各步骤对应的内容。收球系统在油气田工程及化工领域应用广泛，此系统中包容的高压介质或废弃物料都可能对人员及设备造成伤害。为了能够更好对收球系统进行安全管理，本文使用领结分析对收球系统中潜在的危害进行分析。收球系统中可能会出现"高压气体"、"可燃气体与液体"和"自燃物"这三类危害，利用领结分析的方法分别对上述3种危害下的原因、后果及保护屏障（预防屏障及减缓屏障）进行分析。通过领结分析可以将控制潜在危害的屏障进行有效梳理，对可能的原因及后果进行分析；能对其他安全评价工具所存在不足进行补充，并能为之后的风险管理提供直观的输入支持。

关键词: 安全, 石油, 爆炸, 腐蚀, 领结分析, 屏障, 风险评价, 收球系统