CGF法兰在平台立管维修中的应用  

Application of CGF Flange in Maintainance of Platform Superposed Shotgun

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作  者:杨状春 郝伟修 陈波 苏建新 

机构地区:[1]中海石油(中国)有限公司HZ32-3平台立管更换项目组,广东深圳518067

出  处:《新技术新工艺》2013年第1期1-4,共4页New Technology & New Process

基  金:省部共建"石油天然气装备"教育部重点实验室资助项目(2006STS 02)

摘  要:随着海洋石油工业的高速发展,海管的数量日益增多,其事故发生的概率也逐渐增加。由于海管类型、管径的差异、作业水深和环境条件的不同,所采取的维修方式也各不相同。本文系统地介绍了惠州油田的HZ32-3平台原油外输10in立管维修,不借助浮吊,仅利用平台有效作业空间安装的气动绞车,采用特殊的卡套式机械连接器CGF法兰,应用空气潜水实施立管泄漏段的更换维修。该方法是立管维修施工效率较高的作业模式,最大程度上达到降本增效的效果。通过对更换掉的旧立管进行分析和检测,提出在平台开发和生产中重点做好对飞溅区立管、泵护管和开排沉箱等关键设备的保护及定期检测的建议措施,可在一定程度上预防进入中后期生产的海上油田因海管泄漏造成的油田停产损失及环保风险。With the development of ocean oil industry, ocean pipes have increased with each passing day, the errors rate of that also increased accordingly. Because of the difference between different ocean pipes in types and diameter, and the difference of water depth and working environment, the maintaining way of that is not same. The paper systematically intro- duced the maintainance of 10 in superposed shotgun of HZ32--3 platform oil in Huizhou oil field, which, without floating crane, took special cutting ferrule mechanical type connecting CGF flange and air diving to do replacement of leaking super- posed shotgun only by using pneumatic hoist, it is the more efficient way for superposed shotgun maintainace, and can get best results in cost decreasing and effect increasing. Through analysis to replaced superposed shotgun, it was proposed that doing protest and fixed time check for superposed shotgun in splash area, protection pipes of pump, and open-release-sub- merge boxes. It can low the risk of oil field stop production and environment protection causing by ocean oil pipes leakage during middle and tail producing time.

关 键 词:立管维修 CGF法兰 空气潜水 降本增效 

分 类 号:TH173[机械工程—机械制造及自动化]

 

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