水平井大斜度段钻磨永久悬挂封隔器除理关键技术研究与应用
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摘要
鄂尔多斯盆地定北区块多套气藏叠合发育,主力层为盒1和太2。针对太2层水平井预置管裸眼完井改造后产水达不到工业开发目标,为加快盒1层评价,进一步落实盒1层储量,采用钻磨永久悬挂封隔器处理套管,上返盒1储层落实产能。针对LP1T井磨铣处理悬挂器时,扭矩大,环空缝隙小,磨铣工具易损伤套管等问题,通过优选工具、优化施工作业参数,预防和解决磨损套管等难题,一趟钻完成作业,施工成功率100%,在预置管完井大修及处理悬挂器储层上返工艺具有很强的推广价值。
There are several sets of overlapping gas field in Liuyangpu gas reservoir,mainly for He 1 and Tai 2 layers,which are on the longitudinal interlacing superposition. The horizontal wells of Tai2 layer is open-hole completion in advance with preset pipe,which leads to serious water discharge after fracturing pressure,and are not up to the requirements. At the same time the He 1 layer is good in evaluation effect. In order to speed up the implementation of He 1 layer,adopting comprehensive treatment measures for processing hanger and casing is a good way of further implementing reservoir capacity. According to the problems happening in LP1 T well,such as large torque,small annular gap,milling tool is easy to damage,the problem of casing was solved by only one drilling operation through the optimization of construction operation parameter and tools. The construction is a 100% success. It is worthy to popularize this technology in the open-hole completion well in advance with preset pipe.
There are several sets of overlapping gas field in Liuyangpu gas reservoir,mainly for He 1 and Tai 2 layers,which are on the longitudinal interlacing superposition. The horizontal wells of Tai2 layer is open-hole completion in advance with preset pipe,which leads to serious water discharge after fracturing pressure,and are not up to the requirements. At the same time the He 1 layer is good in evaluation effect. In order to speed up the implementation of He 1 layer,adopting comprehensive treatment measures for processing hanger and casing is a good way of further implementing reservoir capacity. According to the problems happening in LP1 T well,such as large torque,small annular gap,milling tool is easy to damage,the problem of casing was solved by only one drilling operation through the optimization of construction operation parameter and tools. The construction is a 100% success. It is worthy to popularize this technology in the open-hole completion well in advance with preset pipe.
引文
[1]陈庭根,管志川.钻井工程理论与技术[M].山东:中国石油大学出版社,2006.
[2]侯建峰,虎元林,何甫祥,等.水力机械切割工艺在青海油田的应用[J].中国西部科技,2011,10(28):26-28.
[3]朱和明,薛占峰.分段压裂专用悬挂器关键技术研究与应用[J].石油机械,2013,41(5):79-84.
[4]曹桐生,高轻松.柳杨堡气田太2气藏单砂体识别及水平井动用对策[J].石油地质与工程,2013,27(5):56-60.
[5]张长远.水平井大修工艺的技术原理与施工应用[J].中国科技博览,2012(25):169.
[6]赵丹.探讨水平井大修的工艺技术[J].化工管理,2013,18(9):238.
[7]余晟,王东波.苏里格气田苏5-1H井大井斜套管内垂直向上开窗钻井技术[J].天然气工业,2012,32(3):74-77.
[8]陈现义,乔廷立,陈庆民,等.水平井大修技术简论[J].石油矿场机械,2006,35(3):104-106.
[2]侯建峰,虎元林,何甫祥,等.水力机械切割工艺在青海油田的应用[J].中国西部科技,2011,10(28):26-28.
[3]朱和明,薛占峰.分段压裂专用悬挂器关键技术研究与应用[J].石油机械,2013,41(5):79-84.
[4]曹桐生,高轻松.柳杨堡气田太2气藏单砂体识别及水平井动用对策[J].石油地质与工程,2013,27(5):56-60.
[5]张长远.水平井大修工艺的技术原理与施工应用[J].中国科技博览,2012(25):169.
[6]赵丹.探讨水平井大修的工艺技术[J].化工管理,2013,18(9):238.
[7]余晟,王东波.苏里格气田苏5-1H井大井斜套管内垂直向上开窗钻井技术[J].天然气工业,2012,32(3):74-77.
[8]陈现义,乔廷立,陈庆民,等.水平井大修技术简论[J].石油矿场机械,2006,35(3):104-106.