不压井带压作业装置在锦州采油厂的应用  

Application of Snubbing Units in Jinzhou Oil Production Plant

作　　者：李伟[1] 胡书勇[1] 陈恒[2] 李德生[3] 杨义涛[3] 

机构地区：[1]油气藏地质及开发工程国家重点实验室(西南石油大学),四川成都610500 [2]中石油川庆钻探工程有限公司长庆井下技术作业公司,陕西西安710018 [3]辽河石油勘探局锦州工程技术处,辽宁凌海121209

出　　处：《石油天然气学报》2013年第6期103-105,7-8,共3页Journal of Oil and Gas Technology

基　　金：教育部博士点基金项目(20105121110006)

摘　　要：油水井检修作业中通常采用放喷和压井两种作业方式,这两种方式存在污染环境、堵塞地层渗流通道等缺点。为不伤害地层,保持地层能量,缩短作业周期,减少环境污染,提出了不压井带压作业技术。介绍了主要由井口带压设备、修井机及配套设备三部分组成的短冲程带压作业装置的工作原理,现场应用89井次取得了很好的应用效果,施工一次性成功率、合格率达100%,平均施工周期为15d,最高施工压力为5.6MPa。作业过程中能有效控制井口压力,防止井喷事故,实现安全作业,取得了显著的经济效益和环保效益。Blowout and well killing were often applied in workover of oil and water wells,but the two ways existed the disadvantages of polluting environment and locking seepage paths of the formation.Snubbing operation technology was proposed to reduce formation damage,maintain formation energy,shorten the operation cycle and reduce the pollution of environment.The working principle of short stroke snubbing units made up of wellhead snubbing unit,workover rig,corollary equipment was introduced.The field application in 89 wells obtains very good application effect,the one-time success rate is up to 100%,the average operation period is 15d,the highest operation pressure is 5.6MPa.The snubbing units can effectively control the wellhead pressure,prevent blowout accident and realize safe production.The economic and environmental benefits are remarkable.

关 键 词：油水井检修 不压井作业装置 短冲程带压作业装置 

分 类 号：TE355[石油与天然气工程—油气田开发工程]