胜利油田套管损坏的现状及建议

PRESENT SITUATION AND SUGGESTION ABOUT THE CASING FAILURE IN SHENGLI OILFIELD

孟祥玉 滕新兴 孙铭新

Meng Xiangyu Teng Xinxing Sun Mingxin

胜利石油管理局

对胜利油田的套管损坏井作了全面调查,收集了有关数据,并用统计学方法,按照胜利油田的5种基本油藏类型,从地层出砂、射孔、注水、腐蚀、酸化压裂、注蒸汽、套管强度设计、固井质量、套管材质和施工质量等10个方面对套管损坏的规律及原因进行了初步分析。认为,套管损坏是多种因素复合作用的结果,并针对目前套管损坏的现状提出了今后攻关的方向。

In connection with the casing failure wells in Shengli oilfield,investigations have been made throughout and relevant data has been collected.According to the five basic types of reservoir in Shengli oilfield,analyses has been conducted about the law and reasons of casing failure with the statistics method considering sand influx,performation,water injection,corrsion,acid treatment and fracturing,steam injection,casing srength design,cementing quality etc.It is considered that the casing failure is a result effected by multfactors and the study directions are put formard in the future according with the present situation of casing failure.

10.3969/j.issn.1000-7393.1994.02.002