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高43-平42井断钻具原因及处理方法分析

Reasons of drilling tool breaking in Gao43-Ping42 well and treatment methods
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摘要 高42-平42井是纯梁采油厂的一口浅层水平井,在二开钻进至水平段后发生断钻具事故,事故原因包括地层、工程、泥浆等因素,后经数次打捞未捞到落鱼,最终填井侧钻,此次事故严重影响了建井周期,造成了包括随钻测量、录井等仪器落井的重大损失。通过对整个事故进行分析,可以对钻井施工起到警示和预防作用。 Gao 42-Ping 42 well that belongs to Chunliang oil production plant is a shallow horizontal well. Drilling toolbreaking occurs after second section drilling enters into the horizontal stage and the reasons analyzed include such factors as formation,engineering and mud. But the fish is not found out after several times of fishing,and finally the operation of well-filling and sidedrillingis finished. This accident has severe influence on well construction cycle and causes great losses that includes MWD(measurewhile drilling)equipment and logging devices falling down into well. Through the analysis of the entire accident,it can play the roleof prevention and warning to well drilling and construction.
作者 陈刚 Chen Gang(Offshore Drilling Company of Shengli Petroleum Engineering Company Limited,SINOPEC,Dongying 257100,China)
出处 《石化技术》 CAS 2016年第7期167-168,共2页 Petrochemical Industry Technology
关键词 水平井 断钻具 填井侧钻 损失 horizontal well drilling tool breaking well-filling and side-drilling loss
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