摘要
大邑地区是中石化西南油气分公司天然气勘探新区,位于龙门山断褶带中南段的山前地区,西南与平落坝地区的水口场、三合场、高家场构造带相接,北东与德阳—彭县向斜相邻,东南部为安仁镇鼻状构造。从邻区钻探结果表明,该地区从上至下发育多套储层,在侏罗系、三叠系须家河组均有不同程度的油气显示。在2008年首批实施的大斜度定向井施工中,多口井因钻遇复杂地层导致井内复杂情况或事故,并导致填井侧钻。文章在该地区钻井工程及地质特征基础上,结合两口大斜度定向井施工情况,深入分析了大邑地区大斜度定向井钻井难点并提出了相应技术对策,为以后该地区大斜度定向井钻井施工提供了技术指导。
Dayi area is a new exploration area of Sinopec Southwest Petroleum Branch.The highly deviated wells in this area have many features of well depth more than 5500m,kick-off point more than 4200m and complex formation.In 2008,in the first high angle deviated well operation,wells occurred a complex situation or accident to result in filled well and sidetrack drilling.Combining with the geological features and the drilling practice on two highly-deviated wells,the drilling difficulties were analyzed and corresponding countermeasures were put forward.And it can provide theoretical guidance for safe drilling in highly deviated well.
出处
《钻采工艺》
CAS
北大核心
2010年第6期26-28,153,共3页
Drilling & Production Technology
基金
中石化集团公司"川西深井井下复杂情况及事故预防与处理技术先导试验"项目的研究成果
关键词
大邑地区
深井
大斜度井
钻井难点
对策
Dayi area,deep wells,highly-deviated wells,drilling difficulties,countermeasure
作者简介
作者简介:张弛(1974-),工程师,1998年毕业于原西南石油学院石油工程专业,学士学位,现从事钻井技术工作。地址:(618000)四川省德阳市庐山南路一段51号,电话:13881099561,E—mail:zzcc2121@sina.com.