疏松砂岩地层出砂因素对套管损坏机理探讨  

MECHANICAL ANALYSIS OF CASING DAMAGE CAUSED BY SAND PRODUCTION IN LOOSE SAND FORMATION

作　　者：杨启明[1] 耿兆华[1] 张戈[1] 黄克献[1] 李森[1] 

机构地区：[1]中原油田分公司采油一厂

出　　处：《钻采工艺》2004年第6期70-72,共3页Drilling & Production Technology

摘　　要：以东濮凹陷WZ油田历年井况大调查套管损坏资料为依据,在对出砂油井套管损坏形态、层位与射孔状况、岩石性质等因素进行综合分析基础上,对疏松砂岩出砂、上覆岩层坍塌等主要方面导致的套管受力变形进行研究,为探讨及防治措施提供依据。Sand production is the main causes of casing damage based on well status survey in WZ oilfield of Dongpu depression over the years. The paper presented the shape and horizon of casing damage, and analyzed the perforation status and lithology in sand production oil well. The casing deformation caused by sand production of unconsolidated sandstones and caving of the overburden is studied .It provides a basis for preventing casing damage in unconsolidated sandstones.

关 键 词：疏松砂岩 岩石性质 上覆岩层 套管损坏 

分 类 号：TE931[石油与天然气工程—石油机械设备]