卫281井双层组合套管试验  

Test of Dual Combined Casing for Well 281 in Weicheng Oilfield

作　　者：赵军[1] 谢慧华[1] 张凤文 

机构地区：[1]中原石油勘探局工程监督中心

出　　处：《断块油气田》2000年第1期64-65,共2页Fault-Block Oil & Gas Field

摘　　要：针对地下盐膏层蠕变导致油层套管变形、破漏 ,造成井况恶化的特点 ,中原油田在卫2 81井首次采用了华北油田钻井工艺研究所设计的双层组合套管固井工艺 ,实践证明该工艺对防止井况恶化是行之有效的。文中主要介绍了卫 2 81井双层组合套管的施工操作程序。通过这次成功的试验 ,总结了双层组合套管固井施工的工艺方法。Aiming at the casing deformation,fracturing and leak resulting from formation creep,leading to well status deteriorate,the cementing technique of dual combined casings,designed by Drilling Process Research Center in Huabei Petroleum Administration Bureau,was first used in Well 281 in Weicheng Oilfield.This paper presents the details of construction of the Well 281,the results of application indicates the technology is effective to prevent the deteriorate of well status.

关 键 词：地层蠕变 套管变形 双层组合套管 固井 采油井 

分 类 号：TE256.2[石油与天然气工程—油气井工程]