刘庄地下储气库刘9井封堵工艺技术  

Plugging Tech at Liu9 Well in Liuzhuang Underground Gas Storage.

作　　者：李祥 张永忠[2] 李久林[2] 

机构地区：[1]西气东输管道公司储气库项目部,江苏金坛213200 [2]大港油田集团钻采工艺研究院,天津300280

出　　处：《油气井测试》2008年第4期58-60,62,共4页Well Testing

摘　　要：刘9井位于刘庄油气田断鼻构造圈闭高部位,是三十年前钻探的一口裸眼工程报废井。该井能否有效封堵是刘庄枯竭油气田改建地下储气库的关键。施工中结合现场实际,对原设计方案进行了修改和完善。通过找原井眼和沿原井眼轨迹钻进,并对阜宁组二段主力储气目的层自上而下分三段钻开、分三段挤水泥封堵,平均封堵半径4m以上,远大于现井眼与原井眼最大间距0.59m。封堵获得了成功,对其它地下储气库类似井的封堵具有一定的借鉴意义。Liu9 well drilled and explored before 30 years is one engineering abandoned well with open hole which is situated at high part of fault nose structure trap in Liuzhuang oil and gas field. Whether or not it is effectively plugged to this well is the key which changes Liuzhuang depleted reservoir to built underground gas storage. Combing with field practice during operation, original design project is revised and perfected. By finding original borehole and along former drilled hole trajectory, and drilling and squeezing cement to plug top aim layer in the second section of Funing group which divided into three parts from up to down, plugging radius is more than 4 m, and is far bigger than 0.59 m which is the greatest distance from original borehole to present one. It is succeed to plug, and makes use of for plugging another similar well in underground gas storage.

关 键 词：苏北盆地 西气东输 储气库 刘9井 设计 封堵 工艺 

分 类 号：TE972.2[石油与天然气工程—石油机械设备] TE358.3