桥69-平1井水泥环酸洗研究  

Cement sheath acid cleaning study for Well Qiao69-ping1

作　　者：魏明军[1] 孟莲香[1] 冷少波[1] 赵鹊桥[2] 赵立文[2] 

机构地区：[1]中石化中原油田分公司,河南濮阳457001 [2]中油辽河油田公司,辽宁盘锦124010

出　　处：《特种油气藏》2006年第2期77-78,共2页Special Oil & Gas Reservoirs

摘　　要：针对桥69-平1井井身结构特殊及井下高温的特点,在充分了解水泥环的情况下,研究了溶解效率高、对管柱腐蚀小的酸洗液配方。以充分溶解水泥环为目的,以保证施工安全为前提,确定了酸洗的反应时间、次数和施工工序。现场实施顺利,达到施工目的,保证了该井的顺利投产。Based on the special hole structure and high downhole temperature in Well Qiao69-ping1,the acid cleaning formula of high dissolving efficiency and little corrosion is studied with thorough understanding of the cement sheath.In order to dissolve the cement sheath fully and ensure the operation safety,we determine the reaction time,acid flushing turns and operation process.The field application is successful,the operation goal has been attained,and smooth production is ensured in this well.

关 键 词：水平井 水泥环 酸洗 

分 类 号：TE252[石油与天然气工程—油气井工程]